[et_pb_section fb_built=\u00a0\u00bb1″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_image=\u00a0\u00bbhttps:\/\/roussesinfo.fr\/patrimoine\/wp-content\/uploads\/2022\/08\/Textures-parcemin_01-scaled.jpg\u00a0\u00bb custom_padding=\u00a0\u00bb4px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbFil arianne\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width=\u00a0\u00bb95%\u00a0\u00bb max_width=\u00a0\u00bb1711px\u00a0\u00bb custom_padding=\u00a0\u00bb5px|||||\u00a0\u00bb hover_enabled=\u00a0\u00bb0″ global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0″][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.25.2″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][lwp_divi_breadcrumbs use_before_icon=\u00a0\u00bbon\u00a0\u00bb before_icon=\u00a0\u00bb||divi||400″ link_color=\u00a0\u00bb#E02B20″ separator_color=\u00a0\u00bb#0C71C3″ current_text_color=\u00a0\u00bb#000000″ admin_label=\u00a0\u00bbFil arianne\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb module_font=\u00a0\u00bbTimes New Roman|600|on||||||\u00a0\u00bb module_text_color=\u00a0\u00bb#000000″ module_font_size=\u00a0\u00bb19px\u00a0\u00bb custom_margin=\u00a0\u00bb2px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/lwp_divi_breadcrumbs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb11px||10px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Triangle ou arc de d\u00e9charge<\/span><\/em><\/strong><\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb3_5,2_5″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb||5px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb3_5″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb12px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n La vo\u00fbte est une invention romaine que les Grecs ignoraient. Pour \u00e9viter de trop fortes contraintes sur les linteaux, ils invent\u00e8rent une technique consistant \u00e0 r\u00e9server au-dessus des portes un espace vide, en les surmontant de blocs en surplomb de taille croissante. Cette technique, nomm\u00e9e\u00a0triangle de d\u00e9charge, est caract\u00e9ristique de l’<\/em>\u00e9poque myc\u00e9nienne<\/em><\/a>.<\/em><\/span><\/strong><\/span><\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb2_5″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/roussesinfo.fr\/patrimoine\/wp-content\/uploads\/2022\/09\/arc-de-decharge-dessin.jpg\u00a0\u00bb title_text=\u00a0\u00bbarc de decharge dessin\u00a0\u00bb align=\u00a0\u00bbcenter\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-47px|||||\u00a0\u00bb custom_padding=\u00a0\u00bb0px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb0px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb-15px|||||\u00a0\u00bb custom_padding=\u00a0\u00bb5px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n Un\u00a0arc de d\u00e9charge\u00a0est un \u00e9l\u00e9ment d’<\/em>architecture<\/em><\/a>\u00a0qui a pour but l’all\u00e8gement du poids du mur sur le\u00a0<\/em>linteau<\/em><\/a>\u00a0en repoussant les charges sur les c\u00f4t\u00e9s<\/em>. Les arcs de d\u00e9charges sont souvent soit en\u00a0<\/em>pierre<\/em><\/a>\u00a0(appareill\u00e9e ou non) soit en\u00a0<\/em>brique<\/em><\/a>\u00a0ou en bois. Ils peuvent \u00eatre dissimul\u00e9s sous un enduit ou \u00eatre apparents et jouer un r\u00f4le d\u00e9coratif.<\/em><\/span><\/strong><\/span><\/p>\n Description :\u00a0<\/em><\/span><\/strong><\/span>L’arc de d\u00e9charge se distingue des autres arcs, comme les\u00a0<\/em>archivoltes<\/em><\/a>, par le fait qu’il affleure la surface du mur ou avec un l\u00e9ger relief. Le poids du mur au-dessus du linteau est r\u00e9parti sur les\u00a0<\/em>sommiers<\/em><\/a>\u00a0aux extr\u00e9mit\u00e9s des linteaux et qui s’appuient sur les piliers autour de l’ouverture.<\/em><\/span><\/strong><\/span><\/p>\n \u00c0 l’\u00e9poque romaine, les arcs \u00e9taient en briques ou en\u00a0<\/em>moellons<\/em><\/a>\u00a0int\u00e9gr\u00e9s \u00e0 la ma\u00e7onnerie. Par la suite, ils deviennent plus apparent \u00e0 des fins d\u00e9coratives. D’abord de forme\u00a0<\/em>cintr\u00e9e<\/em><\/a>, ils prennent ensuite la forme\u00a0<\/em>ogivale<\/em><\/a>.<\/em><\/span><\/strong><\/span><\/p>\n