{"id":14551,"date":"2023-10-27T15:24:48","date_gmt":"2023-10-27T19:24:48","guid":{"rendered":"https:\/\/www.canadamasonrydesigncentre.com\/non-classifiee\/conrnieres-dappui\/"},"modified":"2024-09-24T13:39:10","modified_gmt":"2024-09-24T17:39:10","slug":"conrnieres-dappui","status":"publish","type":"post","link":"https:\/\/www.canadamasonrydesigncentre.com\/fr\/devis-descriptif\/conrnieres-dappui\/","title":{"rendered":"Conrni\u00e8res d&rsquo;appui"},"content":{"rendered":"[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#efefef\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb3%\u00a0\u00bb constrain_group_1=\u00a0\u00bbyes\u00a0\u00bb bottom_padding=\u00a0\u00bb3%\u00a0\u00bb bottom_margin=\u00a0\u00bb-80&Prime; translate_y=\u00a0\u00bb-80&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb id=\u00a0\u00bbintro\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; 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background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]Les corni\u00e8res d&rsquo;appui jouent un r\u00f4le crucial dans les syst\u00e8mes de murs creux car elles soutiennent les parements de ma\u00e7onnerie qui ne peuvent pas \u00eatre directement soutenus par les fondations ou des dalles d&rsquo;\u00e9tages. Les corni\u00e8res d&rsquo;appui peuvent avoir de nombreuses configurations diff\u00e9rentes et peuvent \u00eatre construites \u00e0 partir de divers profil\u00e9s en acier, soud\u00e9es sur le chantier, soud\u00e9es hors site, mont\u00e9s avec des ancrages encastr\u00e9s ou des connexions boulonn\u00e9es et il existe aussi des syst\u00e8mes de corni\u00e8res brevet\u00e9s pr\u00eats \u00e0 l&#8217;emploi. Le but de cet article est de mettre en \u00e9vidence certains points \u00e0 prendre en consid\u00e9ration lors de la sp\u00e9cification des corni\u00e8res d&rsquo;appui.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_content\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#5b5b5b\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb3%\u00a0\u00bb constrain_group_1=\u00a0\u00bbyes\u00a0\u00bb bottom_padding=\u00a0\u00bb3%\u00a0\u00bb left_padding_desktop=\u00a0\u00bb90&Prime; constrain_group_2=\u00a0\u00bbyes\u00a0\u00bb right_padding_desktop=\u00a0\u00bb90&Prime; left_padding_tablet=\u00a0\u00bb5%\u00a0\u00bb constrain_group_4=\u00a0\u00bbyes\u00a0\u00bb right_padding_tablet=\u00a0\u00bb5%\u00a0\u00bb left_padding_phone=\u00a0\u00bb5%\u00a0\u00bb constrain_group_6=\u00a0\u00bbyes\u00a0\u00bb right_padding_phone=\u00a0\u00bb5%\u00a0\u00bb text_color=\u00a0\u00bblight\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb id=\u00a0\u00bbdisclaimer\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbcenter\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text]<h2>Une partie int\u00e9grante de notre s\u00e9rie sur les devis descriptifs pour la ma\u00e7onnerie<\/h2>\n<p>Des recommandations accompagn\u00e9es d'explicatifs sur la mani\u00e8re dont elles ont \u00e9t\u00e9 formul\u00e9es. Nous tenons \u00e0 remercier le comit\u00e9 technique de l\u2019AEMQ pour son soutien pour la traduction de ce document. <a href=\"https:\/\/www.canadamasonrydesigncentre.com\/fr\/ressources\/devis-descriptif\/\">Cliquez ici pour voir la s\u00e9rie compl\u00e8te.<\/a><\/p>[\/vc_column_text][divider line_type=\u00a0\u00bbFull Width Line\u00a0\u00bb line_thickness=\u00a0\u00bb1&Prime; divider_color=\u00a0\u00bbextra-color-1&Prime; animate=\u00a0\u00bbyes\u00a0\u00bb custom_height=\u00a0\u00bb15&Prime;][\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbmiddle\u00a0\u00bb disable_element=\u00a0\u00bbyes\u00a0\u00bb column_margin=\u00a0\u00bb50px\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb top_padding=\u00a0\u00bb1%\u00a0\u00bb constrain_group_1=\u00a0\u00bbyes\u00a0\u00bb bottom_padding=\u00a0\u00bb1%\u00a0\u00bb left_padding_desktop=\u00a0\u00bb50&Prime; 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button_color=\u00a0\u00bbdefault\u00a0\u00bb button_border_thickness=\u00a0\u00bb0px\u00a0\u00bb link_type=\u00a0\u00bbregular\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb alignment_tablet=\u00a0\u00bbdefault\u00a0\u00bb alignment_phone=\u00a0\u00bbdefault\u00a0\u00bb display=\u00a0\u00bbblock\u00a0\u00bb display_tablet=\u00a0\u00bbinherit\u00a0\u00bb display_phone=\u00a0\u00bbinherit\u00a0\u00bb link_text=\u00a0\u00bbContactez votre bureau local d\u00e8s aujourd&apos;hui\u00a0\u00bb url=\u00a0\u00bbhttps:\/\/www.canadamasonrydesigncentre.com\/fr\/contact\/\u00a0\u00bb][vc_column_text]Le CMDC est compos\u00e9e de bureaux r\u00e9partis dans tout le Canada, qui vous apportent leur soutien par l&rsquo;interm\u00e9diaire de notre personnel technique.[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; 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style=\u00a0\u00bbfull_text\u00a0\u00bb highlight_expansion=\u00a0\u00bbdefault\u00a0\u00bb]\n<h2>Avis de non-responsabilit\u00e9<\/h2>\n[\/nectar_highlighted_text][vc_column_text]\n<h4><span style=\"color: #ff0000;\"><strong><p><span style=\"color: #800000;\">Les informations pr\u00e9sent\u00e9es sont destin\u00e9es \u00e0 des fins \u00e9ducatives pour les concepteurs, les prescripteurs ou les entrepreneurs. Il ne s'agit pas d'un avis technique formel, car les projets de ma\u00e7onnerie peuvent comporter des d\u00e9tails et des consid\u00e9rations qui sont propres \u00e0 un projet particulier et qui peuvent d\u00e9passer le cadre du contenu de cette page.<\/span><\/p><\/strong><\/span><\/h4>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; 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font_size_phone=\u00a0\u00bb24&Prime;]\n<h1><em>Recommandations<\/em><\/h1>\n[\/nectar_highlighted_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bbleft-right\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb column_padding_type=\u00a0\u00bbdefault\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb][vc_column_text]Les corni\u00e8res d&rsquo;appui structurales doivent toujours faire l&rsquo;objet d&rsquo;une conception et d&rsquo;un calcul d&rsquo;ing\u00e9nierie. La conception structurale d&rsquo;une corni\u00e8re d&rsquo;appui en acier, conform\u00e9ment aux normes de calcul applicables, doit tenir compte des exigences de d&rsquo;appui de la ma\u00e7onnerie d\u00e9crites dans la norme CSA S304-14. Bien qu&rsquo;il existe des syst\u00e8mes brevet\u00e9s et pr\u00eats \u00e0 l&#8217;emploi pour les corni\u00e8res d&rsquo;appui, il faut toujours pr\u00eater attention au niveau minimum de protection contre la corrosion de la corni\u00e8re et aux d\u00e9tails des solins, de l&rsquo;isolation et des joints de rupture horizontaux et verticaux autour des corni\u00e8res. Des dessins d\u00e9taill\u00e9s peuvent \u00eatre n\u00e9cessaires pour assurer une ex\u00e9cution conforme.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb1%\u00a0\u00bb constrain_group_1=\u00a0\u00bbyes\u00a0\u00bb bottom_padding=\u00a0\u00bb1%\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb id=\u00a0\u00bbdiscussion\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][nectar_highlighted_text color_type=\u00a0\u00bbregular\u00a0\u00bb highlight_color=\u00a0\u00bb#0b25bc\u00a0\u00bb style=\u00a0\u00bbregular_underline\u00a0\u00bb highlight_expansion=\u00a0\u00bbdefault\u00a0\u00bb underline_thickness=\u00a0\u00bbdefault\u00a0\u00bb delay=\u00a0\u00bb150&Prime; font_size_phone=\u00a0\u00bb24&Prime;]\n<h1><em>Discussion<\/em><\/h1>\n[\/nectar_highlighted_text][nectar_highlighted_text color_type=\u00a0\u00bbregular\u00a0\u00bb highlight_color=\u00a0\u00bb#0b25bc\u00a0\u00bb style=\u00a0\u00bbregular_underline\u00a0\u00bb highlight_expansion=\u00a0\u00bbdefault\u00a0\u00bb underline_thickness=\u00a0\u00bbdefault\u00a0\u00bb delay=\u00a0\u00bb150&Prime; font_size_phone=\u00a0\u00bb24&Prime;]\n<h3>Diff\u00e9rentes m\u00e9thodes de soutien et de connection<em><br \/>\n<\/em><\/h3>\n[\/nectar_highlighted_text][vc_column_text]La conception des corni\u00e8res d&rsquo;appui \u00e9tait couramment limit\u00e9es \u00e0 des conceptions g\u00e9n\u00e9riques et \u00e0 des devis normatifs. Cependant, en raison de l&rsquo;augmentation de la largeur des cavit\u00e9s et de l&rsquo;importance accrue accord\u00e9e \u00e0 la r\u00e9duction de l&rsquo;effet des ponts thermiques, il existe aujourd&rsquo;hui une demande croissante pour des corni\u00e8res d&rsquo;appui con\u00e7ues adapt\u00e9es aux exigences de chaque projet. En r\u00e8gle g\u00e9n\u00e9rale, les corni\u00e8res sont fix\u00e9es \u00e0 la structure d&rsquo;appui \u00e0 l&#8217;emplacement des dalles d&rsquo;\u00e9tage. Ils peuvent \u00e9galement \u00eatre fix\u00e9s directement au mur de d&rsquo;appui, \u00e0 condition que la fixation et le support soient ad\u00e9quats et que la conception de la structure de soutien en tienne compte.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][nectar_highlighted_text color_type=\u00a0\u00bbregular\u00a0\u00bb highlight_color=\u00a0\u00bbrgba(11,37,188,0.24)\u00a0\u00bb style=\u00a0\u00bbregular_underline\u00a0\u00bb highlight_expansion=\u00a0\u00bbdefault\u00a0\u00bb underline_thickness=\u00a0\u00bbdefault\u00a0\u00bb delay=\u00a0\u00bb150&Prime;]\n<h3>Pr\u00e9voir une surface d&rsquo;appui suffisante et limiter la saillie de la ma\u00e7onnerie<em><br \/>\n<\/em><\/h3>\n[\/nectar_highlighted_text][vc_column_text]Lors de la pose du parement sur la corni\u00e8re, il est recommand\u00e9 que les \u00e9l\u00e9ments ne d\u00e9passent pas le bord de la corni\u00e8re de plus d&rsquo;un tiers de la largeur du parement. Selon l&rsquo;article 6.4.2 de la norme CSA A371-14 :[\/vc_column_text][vc_column_text]\n<h5 style=\"padding-left: 40px;\"><em>6.4.2 Projection d&rsquo;un mur ou d&rsquo;un placage (parement) non porteur<\/em><\/h5>\n<p style=\"padding-left: 40px;\"><em>La saillie d\u2019un mur ou d\u2019un placage non porteur au-del\u00e0 du bord d\u2019un \u00e9l\u00e9ment d\u2019appui tel qu\u2019une corni\u00e8re d\u2019appui ou au-del\u00e0 de l\u2019extr\u00e9mit\u00e9 d\u2019une poutre ne doit pas d\u00e9passer 30 mm ou le tiers de la largeur du mur ou du placage, en retenant la valeur la plus faible. La saillie des \u00e9l\u00e9ments au-del\u00e0 de l\u2019appui ne doit pas contenir de cavit\u00e9s.<\/em><\/p>\n[\/vc_column_text][vc_column_text]De m\u00eame en est pour les travaux de ma\u00e7onnerie con\u00e7ues conform\u00e9ment \u00e0 la partie 9 du Code national du b\u00e2timent du Canada, ceux-ci \u00e9tant r\u00e9gies par une disposition similaire dans l&rsquo;article 9.20.12 du Code :[\/vc_column_text][vc_column_text]\n<h5 style=\"padding-left: 40px;\">9.20.12.3. Encorbellement pour contre-mur (parement) de ma\u00e7onnerie<\/h5>\n<p style=\"padding-left: 40px;\"> (1) Un contre-mur ext\u00e9rieur en ma\u00e7onnerie qui repose sur un appui ne doit pas former une saillie sup\u00e9rieure \u00e0 25 mm par rapport \u00e0 cet appui si l&rsquo;\u00e9paisseur du contre-mur est de 90 mm ou plus et \u00e0 12 mm si l&rsquo;\u00e9paisseur du contre-mur est inf\u00e9rieure \u00e0 90 mm.<\/p>\n<p style=\"padding-left: 40px;\"> (2) Dans le cas d&rsquo;un contre-mur en pierre brute, la saillie moyenne pour l&rsquo;ensemble des pierres par rapport \u00e0 l&rsquo;appui ne doit pas \u00eatre sup\u00e9rieure au tiers de la largeur du lit.<\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][nectar_highlighted_text color_type=\u00a0\u00bbregular\u00a0\u00bb highlight_color=\u00a0\u00bbrgba(11,37,188,0.24)\u00a0\u00bb style=\u00a0\u00bbregular_underline\u00a0\u00bb highlight_expansion=\u00a0\u00bbdefault\u00a0\u00bb underline_thickness=\u00a0\u00bbdefault\u00a0\u00bb delay=\u00a0\u00bb150&Prime;]\n<h3>Calcul de la corni\u00e8re d&rsquo;appui<em><br \/>\n<\/em><\/h3>\n[\/nectar_highlighted_text][vc_column_text]Les charges agissant sur les corni\u00e8res doivent \u00eatre d\u00e9termin\u00e9es et le calcul de l&rsquo;assemblage d&rsquo;acier utilis\u00e9 pour les corni\u00e8res doit respecter les normes applicables \u00e0 l&rsquo;acier, y compris la norme de calcul CSA S16. En ce m\u00eame sens, le calcul des ancrages doit \u00eatre conforme aux normes applicables au mat\u00e9riau de la structure porteuse d&rsquo;appui. Les exigences relatives \u00e0 l&rsquo;appui de la ma\u00e7onnerie qui sont pertinentes pour le calcul des corni\u00e8res, y compris les exigences relatives \u00e0 la rigidit\u00e9, se trouvent dans l&rsquo;article 4.8 de la norme CSA S304-14.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][nectar_highlighted_text color_type=\u00a0\u00bbregular\u00a0\u00bb highlight_color=\u00a0\u00bbrgba(11,37,188,0.24)\u00a0\u00bb style=\u00a0\u00bbregular_underline\u00a0\u00bb highlight_expansion=\u00a0\u00bbdefault\u00a0\u00bb underline_thickness=\u00a0\u00bbdefault\u00a0\u00bb delay=\u00a0\u00bb150&Prime;]\n<h3><span lang=\"EN-CA\">Exigences en mati\u00e8re de protection contre la corrosion  <\/span><\/h3>\n[\/nectar_highlighted_text][vc_column_text]Il est important de garder \u00e0 l&rsquo;esprit que les corni\u00e8res d&rsquo;appui sont sujettes \u00e0 la corrosion car elles sont expos\u00e9es dans l&rsquo;espace d&rsquo;air de la cavit\u00e9. Bien qu&rsquo;une installation correcte et le chevauchement des mat\u00e9riaux de solin puissent offrir une protection contre l&rsquo;humidit\u00e9 directe, la face inf\u00e9rieure et la face arri\u00e8re de la corni\u00e8re peuvent toujours \u00eatre expos\u00e9es \u00e0 l&rsquo;air ext\u00e9rieur, ce qui peut entra\u00eener un risque de corrosion \u00e0 long terme. Les exigences en mati\u00e8re de protection contre la corrosion pour les corni\u00e8res sont indiqu\u00e9es \u00e0 l&rsquo;article 4.11.3.5.1 de la norme CSA S304-14. Dans les cas o\u00f9 la norme CSA A370-14 exige que les attaches du parement aient une protection contre la corrosion de niveau 3 (acier inoxydable), la corni\u00e8re doit \u00eatre galvanis\u00e9e \u00e0 chaud. Par ailleurs, si les attaches ne n\u00e9cessitent qu&rsquo;une protection contre la corrosion de niveau 2 (galvanisation \u00e0 chaud), la corni\u00e8re peut \u00eatre prot\u00e9g\u00e9e uniquement par une couche d&rsquo;appr\u00eat conforme \u00e0 la norme CSA S16, \u00e0 condition qu&rsquo;elle soit \u00e9galement prot\u00e9g\u00e9e par un solin durable ou que la dur\u00e9e de vie du b\u00e2timent soit inf\u00e9rieure \u00e0 25 ans.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][nectar_highlighted_text color_type=\u00a0\u00bbregular\u00a0\u00bb highlight_color=\u00a0\u00bbrgba(11,37,188,0.24)\u00a0\u00bb style=\u00a0\u00bbregular_underline\u00a0\u00bb highlight_expansion=\u00a0\u00bbdefault\u00a0\u00bb underline_thickness=\u00a0\u00bbdefault\u00a0\u00bb delay=\u00a0\u00bb150&Prime;]\n<h3><span lang=\"EN-CA\">Impact sur la performance \u00e9nerg\u00e9tique  <\/span><\/h3>\n[\/nectar_highlighted_text][vc_column_text]La corni\u00e8re d&rsquo;appui sert de liaison structurale vitale entre le parement ext\u00e9rieur et le mur d&rsquo;appui. Cependant, cette connexion cr\u00e9e \u00e9galement une voie directe pour le transfert d&rsquo;\u00e9nergie thermique en traversant l&rsquo;isolant. Les corni\u00e8res d&rsquo;appui agissent comme des ponts thermiques dans les murs avec parement en ma\u00e7onnerie, ce qui a des effets n\u00e9gatifs relativement faibles mais perceptibles sur la r\u00e9sistance thermique globale du syst\u00e8me mural. Plus l&rsquo;aire de la section d&rsquo;acier qui traverse l&rsquo;isolant est importante, plus l&rsquo;effet n\u00e9faste sur la valeur R de l&rsquo;ensemble du mur est important. La tendance \u00e0 l&rsquo;augmentation de la taille de la cavit\u00e9 dans les murs de ma\u00e7onnerie a apport\u00e9 un double avantage en termes de performance thermique. Tout d&rsquo;abord, la cavit\u00e9 plus large permet d&rsquo;installer davantage d&rsquo;isolant. Deuxi\u00e8mement, l&rsquo;utilisation de corni\u00e8res d&rsquo;appui d\u00e9cal\u00e9es \u00e0 l&rsquo;aide de consoles r\u00e9duit la quantit\u00e9 d&rsquo;acier qui traverse l&rsquo;isolant par rapport aux corni\u00e8res fix\u00e9es directement \u00e0 une dalle de plancher ou \u00e0 un mur. Un principe fondamental pour la conception de l&rsquo;enveloppe des b\u00e2timents en ma\u00e7onnerie est la n\u00e9cessit\u00e9 d&rsquo;une isolation continue sur l&rsquo;ext\u00e9rieur de l&rsquo;arri\u00e8re-mur. Par cons\u00e9quent, il est essentiel de veiller \u00e0 ce que l&rsquo;isolation soit toujours plac\u00e9e derri\u00e8re la corni\u00e8re d&rsquo;appui, lorsque des consoles sont utilis\u00e9s, afin de maintenir la continuit\u00e9 de l&rsquo;isolation et de pr\u00e9server la performance thermique.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][nectar_highlighted_text color_type=\u00a0\u00bbregular\u00a0\u00bb highlight_color=\u00a0\u00bbrgba(11,37,188,0.24)\u00a0\u00bb style=\u00a0\u00bbregular_underline\u00a0\u00bb highlight_expansion=\u00a0\u00bbdefault\u00a0\u00bb underline_thickness=\u00a0\u00bbdefault\u00a0\u00bb delay=\u00a0\u00bb150&Prime;]\n<h3><span lang=\"EN-CA\">Mouvement diff\u00e9rentiel  <\/span><\/h3>\n[\/nectar_highlighted_text][vc_column_text]L&#8217;emplacement des corni\u00e8res d&rsquo;appui co\u00efncide g\u00e9n\u00e9ralement avec l&#8217;emplacement des joints de rupture horizontaux. Ces joints sont n\u00e9cessaires pour emp\u00eacher la transmission des charges verticales du parement au parement d&rsquo;un \u00e9tage sous-jacent. Cependant, il est essentiel de dimensionner correctement le joint de rupture pour tenir compte des d\u00e9formations de la structure, des d\u00e9formations du parement et des d\u00e9formations de la corni\u00e8re d&rsquo;appui elle-m\u00eame. Dans le cas d&rsquo;une structure en ma\u00e7onnerie en blocs de b\u00e9ton ou en b\u00e9ton coul\u00e9 sur place, la structure porteuse subira des d\u00e9formations \u00e9lastiques \u00e0 court terme caus\u00e9es par les charges axiales, ainsi qu&rsquo;un fluage \u00e0 long terme et un retrait chimique du \u00e0 la carbonatation. Pour les parements en briques d&rsquo;argile, il est important de prendre en compte les effets de l&rsquo;humidit\u00e9 et de la temp\u00e9rature sur le retrait et la dilatation \u00e0 court terme des briques, ainsi que sur la dilatation chimique \u00e0 long terme. Parfois, des corni\u00e8res d&rsquo;appui sont utilis\u00e9es pour soutenir localement un parement de ma\u00e7onnerie au-dessus d&rsquo;une ouverture. Cela se produit g\u00e9n\u00e9ralement lorsque l&rsquo;ouverture s&rsquo;\u00e9tend sur une longueur qu&rsquo;il ne serait pas possible d&rsquo;atteindre avec un linteau libre. Dans ce cas, la ma\u00e7onnerie support\u00e9e par la corni\u00e8re au-dessus de l&rsquo;ouverture doit \u00eatre s\u00e9par\u00e9e de la ma\u00e7onnerie adjacente support\u00e9e par un appui diff\u00e9rent (par exemple, la corni\u00e8re inf\u00e9rieure ou la fondation du b\u00e2timent) par un joint de rupture vertical afin d&rsquo;\u00e9viter l&rsquo;accumulation de contraintes et les fissures dues aux mouvements diff\u00e9rentiels entre les deux appuis. Lors du calcul de la taille du joint de rupture, il est n\u00e9cessaire de tenir compte d&rsquo;une gamme de mouvements relatifs potentiels que les parements peuvent subir au cours de leur dur\u00e9e de vie. Cela permet de s&rsquo;assurer que le joint de mouvement est dimensionn\u00e9 de mani\u00e8re appropri\u00e9e, compte tenu des mouvements potentiels, afin de maintenir l&rsquo;int\u00e9grit\u00e9 du syst\u00e8me mural.[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb enable_animation=\u00a0\u00bbtrue\u00a0\u00bb animation=\u00a0\u00bbfade-in-from-left\u00a0\u00bb animation_easing=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb column_padding_type=\u00a0\u00bbdefault\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb delay=\u00a0\u00bb300&Prime;][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb32&Prime;][vc_column_text]<p>Retour \u00e0 la section <a href=\"#recommendations\">Recommandations<\/a>. Retour \u00e0 la page des <a href=\"https:\/\/www.canadamasonrydesigncentre.com\/fr\/ressources\/devis-descriptif\/\">devis descriptifs<\/a>.<\/p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbfull_width_content\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#5b5b5b\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb top_padding=\u00a0\u00bb3%\u00a0\u00bb constrain_group_1=\u00a0\u00bbyes\u00a0\u00bb bottom_padding=\u00a0\u00bb3%\u00a0\u00bb left_padding_desktop=\u00a0\u00bb90&Prime; constrain_group_2=\u00a0\u00bbyes\u00a0\u00bb right_padding_desktop=\u00a0\u00bb90&Prime; left_padding_tablet=\u00a0\u00bb5%\u00a0\u00bb constrain_group_4=\u00a0\u00bbyes\u00a0\u00bb right_padding_tablet=\u00a0\u00bb5%\u00a0\u00bb left_padding_phone=\u00a0\u00bb5%\u00a0\u00bb constrain_group_6=\u00a0\u00bbyes\u00a0\u00bb right_padding_phone=\u00a0\u00bb5%\u00a0\u00bb text_color=\u00a0\u00bblight\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_row_inner column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb text_align=\u00a0\u00bbcenter\u00a0\u00bb row_position=\u00a0\u00bbdefault\u00a0\u00bb row_position_tablet=\u00a0\u00bbinherit\u00a0\u00bb row_position_phone=\u00a0\u00bbinherit\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb pointer_events=\u00a0\u00bball\u00a0\u00bb][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text]<h2>Une partie int\u00e9grante de notre s\u00e9rie sur les devis descriptifs pour la ma\u00e7onnerie<\/h2>\n<p>Des recommandations accompagn\u00e9es d'explicatifs sur la mani\u00e8re dont elles ont \u00e9t\u00e9 formul\u00e9es. Nous tenons \u00e0 remercier le comit\u00e9 technique de l\u2019AEMQ pour son soutien pour la traduction de ce document. <a href=\"https:\/\/www.canadamasonrydesigncentre.com\/fr\/ressources\/devis-descriptif\/\">Cliquez ici pour voir la s\u00e9rie compl\u00e8te.<\/a><\/p>[\/vc_column_text][divider line_type=\u00a0\u00bbFull Width Line\u00a0\u00bb line_thickness=\u00a0\u00bb1&Prime; divider_color=\u00a0\u00bbextra-color-1&Prime; animate=\u00a0\u00bbyes\u00a0\u00bb custom_height=\u00a0\u00bb15&Prime;][\/vc_column_inner][\/vc_row_inner][vc_row_inner equal_height=\u00a0\u00bbyes\u00a0\u00bb content_placement=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bb50px\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb top_padding=\u00a0\u00bb1%\u00a0\u00bb constrain_group_1=\u00a0\u00bbyes\u00a0\u00bb bottom_padding=\u00a0\u00bb1%\u00a0\u00bb left_padding_desktop=\u00a0\u00bb50&Prime; 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button_color=\u00a0\u00bbdefault\u00a0\u00bb button_border_thickness=\u00a0\u00bb0px\u00a0\u00bb link_type=\u00a0\u00bbregular\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb alignment_tablet=\u00a0\u00bbdefault\u00a0\u00bb alignment_phone=\u00a0\u00bbdefault\u00a0\u00bb display=\u00a0\u00bbblock\u00a0\u00bb display_tablet=\u00a0\u00bbinherit\u00a0\u00bb display_phone=\u00a0\u00bbinherit\u00a0\u00bb link_text=\u00a0\u00bbContactez votre bureau local d\u00e8s aujourd&apos;hui\u00a0\u00bb url=\u00a0\u00bbhttps:\/\/www.canadamasonrydesigncentre.com\/fr\/contact\/\u00a0\u00bb][vc_column_text]Le CMDC est compos\u00e9e de bureaux r\u00e9partis dans tout le Canada, qui vous apportent leur soutien par l&rsquo;interm\u00e9diaire de notre personnel technique.[\/vc_column_text][\/vc_column_inner][vc_column_inner column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; 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