{"id":9283,"date":"2021-04-07T14:34:41","date_gmt":"2021-04-07T13:34:41","guid":{"rendered":"https:\/\/open-organization.com\/?p=9283"},"modified":"2021-04-07T14:34:41","modified_gmt":"2021-04-07T13:34:41","slug":"ultra-high-performance-concrete-a-breakthrough-with-expanding-applications","status":"publish","type":"post","link":"https:\/\/open-organization.com\/fr\/2021\/04\/07\/ultra-high-performance-concrete-a-breakthrough-with-expanding-applications\/","title":{"rendered":"B\u00e9ton ultra-haute performance: une rupture dont les applications s\u2019\u00e9tendent de plus en plus"},"content":{"rendered":"<p>[et_pb_section bb_built=\u00a0\u00bb1&Prime; inner_width=\u00a0\u00bbauto\u00a0\u00bb inner_max_width=\u00a0\u00bb1080px\u00a0\u00bb][et_pb_row][et_pb_column type=\u00a0\u00bb4_4&Prime; custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb custom_padding=\u00a0\u00bb|||\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.4.8&Prime; text_text_shadow_horizontal_length=\u00a0\u00bbtext_text_shadow_style,%91object Object%93&Prime; text_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb text_text_shadow_vertical_length=\u00a0\u00bbtext_text_shadow_style,%91object Object%93&Prime; text_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb text_text_shadow_blur_strength=\u00a0\u00bbtext_text_shadow_style,%91object Object%93&Prime; text_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb link_text_shadow_horizontal_length=\u00a0\u00bblink_text_shadow_style,%91object Object%93&Prime; link_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb link_text_shadow_vertical_length=\u00a0\u00bblink_text_shadow_style,%91object Object%93&Prime; link_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb link_text_shadow_blur_strength=\u00a0\u00bblink_text_shadow_style,%91object Object%93&Prime; link_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb ul_text_shadow_horizontal_length=\u00a0\u00bbul_text_shadow_style,%91object Object%93&Prime; ul_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb ul_text_shadow_vertical_length=\u00a0\u00bbul_text_shadow_style,%91object Object%93&Prime; ul_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb ul_text_shadow_blur_strength=\u00a0\u00bbul_text_shadow_style,%91object Object%93&Prime; ul_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb ol_text_shadow_horizontal_length=\u00a0\u00bbol_text_shadow_style,%91object Object%93&Prime; ol_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb ol_text_shadow_vertical_length=\u00a0\u00bbol_text_shadow_style,%91object Object%93&Prime; ol_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb ol_text_shadow_blur_strength=\u00a0\u00bbol_text_shadow_style,%91object Object%93&Prime; ol_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb quote_text_shadow_horizontal_length=\u00a0\u00bbquote_text_shadow_style,%91object Object%93&Prime; quote_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb quote_text_shadow_vertical_length=\u00a0\u00bbquote_text_shadow_style,%91object Object%93&Prime; quote_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb quote_text_shadow_blur_strength=\u00a0\u00bbquote_text_shadow_style,%91object Object%93&Prime; quote_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb header_text_shadow_horizontal_length=\u00a0\u00bbheader_text_shadow_style,%91object Object%93&Prime; header_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_text_shadow_vertical_length=\u00a0\u00bbheader_text_shadow_style,%91object Object%93&Prime; header_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_text_shadow_blur_strength=\u00a0\u00bbheader_text_shadow_style,%91object Object%93&Prime; header_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb header_2_text_shadow_horizontal_length=\u00a0\u00bbheader_2_text_shadow_style,%91object Object%93&Prime; header_2_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_2_text_shadow_vertical_length=\u00a0\u00bbheader_2_text_shadow_style,%91object Object%93&Prime; header_2_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_2_text_shadow_blur_strength=\u00a0\u00bbheader_2_text_shadow_style,%91object Object%93&Prime; header_2_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb header_3_text_shadow_horizontal_length=\u00a0\u00bbheader_3_text_shadow_style,%91object Object%93&Prime; header_3_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_3_text_shadow_vertical_length=\u00a0\u00bbheader_3_text_shadow_style,%91object Object%93&Prime; header_3_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_3_text_shadow_blur_strength=\u00a0\u00bbheader_3_text_shadow_style,%91object Object%93&Prime; header_3_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb header_4_text_shadow_horizontal_length=\u00a0\u00bbheader_4_text_shadow_style,%91object Object%93&Prime; header_4_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_4_text_shadow_vertical_length=\u00a0\u00bbheader_4_text_shadow_style,%91object Object%93&Prime; header_4_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_4_text_shadow_blur_strength=\u00a0\u00bbheader_4_text_shadow_style,%91object Object%93&Prime; header_4_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb header_5_text_shadow_horizontal_length=\u00a0\u00bbheader_5_text_shadow_style,%91object Object%93&Prime; header_5_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_5_text_shadow_vertical_length=\u00a0\u00bbheader_5_text_shadow_style,%91object Object%93&Prime; header_5_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_5_text_shadow_blur_strength=\u00a0\u00bbheader_5_text_shadow_style,%91object Object%93&Prime; header_5_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb header_6_text_shadow_horizontal_length=\u00a0\u00bbheader_6_text_shadow_style,%91object Object%93&Prime; header_6_text_shadow_horizontal_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_6_text_shadow_vertical_length=\u00a0\u00bbheader_6_text_shadow_style,%91object Object%93&Prime; header_6_text_shadow_vertical_length_tablet=\u00a0\u00bb0px\u00a0\u00bb header_6_text_shadow_blur_strength=\u00a0\u00bbheader_6_text_shadow_style,%91object Object%93&Prime; header_6_text_shadow_blur_strength_tablet=\u00a0\u00bb1px\u00a0\u00bb box_shadow_horizontal_tablet=\u00a0\u00bb0px\u00a0\u00bb box_shadow_vertical_tablet=\u00a0\u00bb0px\u00a0\u00bb box_shadow_blur_tablet=\u00a0\u00bb40px\u00a0\u00bb box_shadow_spread_tablet=\u00a0\u00bb0px\u00a0\u00bb vertical_offset_tablet=\u00a0\u00bb0&Prime; horizontal_offset_tablet=\u00a0\u00bb0&Prime; z_index_tablet=\u00a0\u00bb0&Prime;]<\/p>\n<h2><span style=\"font-weight: 400;\">Qu\u2019est-ce qu\u2019un b\u00e9ton ultra-haute performance (BUHP) ?<\/span><\/h2>\n<p>Les BUHP sont une nouvelle classe de mat\u00e9riaux cimentaires, pouvant \u00eatre renforc\u00e9s par des fibres d&rsquo;acier, qui apparaissent dans plusieurs applications structurelles. Par rapport au b\u00e9ton normal, les BUHP sont dot\u00e9s d&rsquo;une r\u00e9sistance \u00e0 la compression (150 MPa), d&rsquo;une ductilit\u00e9 \u00e0 la traction (0,1 %) et d&rsquo;une t\u00e9nacit\u00e9 (30 kJ\/m2) sans pr\u00e9c\u00e9dent, ce qui rend les structures en BUHP imperm\u00e9ables et durables dans des environnements extr\u00eames. Au niveau du mat\u00e9riau, les propri\u00e9t\u00e9s du BUHP peuvent \u00eatre encore optimis\u00e9es par le durcissement \u00e0 chaud et le choix optimal du renfort en fibres. Au niveau structurel, la conception des structures en BUHP peut \u00eatre am\u00e9lior\u00e9e gr\u00e2ce \u00e0 des renforts en acier, des actions de pr\u00e9contrainte et \u00e0 la combinaison de fibres d&rsquo;acier et de fibres d&rsquo;autres mat\u00e9riaux, dans des structures hybrides.\u00a0<\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"font-weight: 400;\">Quels sont les avantages des BUHP\u00a0?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Les BUHP am\u00e9liorent efficacement la durabilit\u00e9 et la soutenabilit\u00e9 des constructions en r\u00e9duisant le co\u00fbt sur sa dur\u00e9e de vie d&rsquo;une structure, et en am\u00e9liorant son impact environnemental.\u00a0<\/span><\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"font-weight: 400;\">Les applications des BUHP s\u2019\u00e9tendent de plus en plus<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ponts<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Passerelles<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00e2timents<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Containers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Panneaux pr\u00e9fabriqu\u00e9s<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fondations en b\u00e9ton dans des environnements difficiles<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Structures marines civiles<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Constructions marines<\/span><\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<h2><span style=\"font-weight: 400;\">Les BUHP continuent d\u2019\u00e9voluer<\/span><\/h2>\n<p><a href=\"\/wp-content\/uploads\/2021\/04\/Volume-of-publications-indicative-data-in-2016.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-9285\" src=\"\/wp-content\/uploads\/2021\/04\/Volume-of-publications-indicative-data-in-2016.png\" alt=\"Volume of publications (indicative data in 2016)\" width=\"680\" height=\"318\" srcset=\"\/wp-content\/uploads\/2021\/04\/Volume-of-publications-indicative-data-in-2016.png 680w, \/wp-content\/uploads\/2021\/04\/Volume-of-publications-indicative-data-in-2016-300x140.png 300w, \/wp-content\/uploads\/2021\/04\/Volume-of-publications-indicative-data-in-2016-480x224.png 480w, \/wp-content\/uploads\/2021\/04\/Volume-of-publications-indicative-data-in-2016-560x262.png 560w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Source : Presans<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La terminologie a \u00e9volu\u00e9 au cours des derni\u00e8res d\u00e9cennies et se consolide aujourd&rsquo;hui sous l&rsquo;influence des nouvelles normes et des directives de conception nationales. On peut actuellement distinguer :\u2028<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les BFUHP : faible fragilit\u00e9 gr\u00e2ce au renforcement par fibres (\u201cF\u201d), soit m\u00e9talliques (pour la plus haute r\u00e9sistance \u00e0 la compression), soit non m\u00e9talliques.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les BUHP non fibr\u00e9s, qui ont tendance \u00e0 avoir une plus grande fragilit\u00e9.<\/span><\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<h2><span style=\"font-weight: 400;\">Les BUHP devraient-ils figurer dans votre agenda technologique ?<\/span><\/h2>\n<p><a href=\"https:\/\/presans.com\/\"><span style=\"font-weight: 400;\">Presans<\/span><\/a><span style=\"font-weight: 400;\"> peut aider les innovateurs industriels \u00e0 en savoir plus sur les nouvelles applications des BUHP.<\/span><\/p>\n<p>[\/et_pb_text][et_pb_post_nav _builder_version=\u00a0\u00bb3.14&Prime; prev_text=\u00a0\u00bbPrevious article\u00a0\u00bb next_text=\u00a0\u00bbNext article\u00a0\u00bb in_same_term=\u00a0\u00bbon\u00a0\u00bb background_color=\u00a0\u00bb#3d59a1&Prime; title_font=\u00a0\u00bb|800|||||||\u00a0\u00bb title_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb title_font_size=\u00a0\u00bb15px\u00a0\u00bb custom_padding=\u00a0\u00bb10px|10px|10px|10px\u00a0\u00bb border_radii=\u00a0\u00bbon|5px|5px|5px|5px\u00a0\u00bb border_width_all=\u00a0\u00bb1px\u00a0\u00bb border_color_all=\u00a0\u00bb#3d59a1&Prime; saved_tabs=\u00a0\u00bball\u00a0\u00bb custom_margin=\u00a0\u00bb30px|||\u00a0\u00bb global_module=\u00a0\u00bb8506&Prime; \/][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"<p>Les b\u00e9tons \u00e0 ultra-hautes performances peuvent avoir un impact important sur la durabilit\u00e9 et la soutenabilit\u00e9 des structures, avec un domaine d\u2019applications en \u00e9volution constante.<\/p>\n","protected":false},"author":177,"featured_media":9284,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[6],"tags":[1075,1548,1578,1584],"_links":{"self":[{"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/posts\/9283"}],"collection":[{"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/users\/177"}],"replies":[{"embeddable":true,"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/comments?post=9283"}],"version-history":[{"count":0,"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/posts\/9283\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/media\/9284"}],"wp:attachment":[{"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/media?parent=9283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/categories?post=9283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/open-organization.com\/fr\/wp-json\/wp\/v2\/tags?post=9283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}