{"id":9290,"date":"2021-04-07T14:51:26","date_gmt":"2021-04-07T13:51:26","guid":{"rendered":"https:\/\/open-organization.com\/?p=9290"},"modified":"2021-04-07T14:51:26","modified_gmt":"2021-04-07T13:51:26","slug":"the-challenges-presented-by-new-ultra-high-performance-concrete-applications-can-be-overcome","status":"publish","type":"post","link":"https:\/\/open-organization.com\/fr\/2021\/04\/07\/the-challenges-presented-by-new-ultra-high-performance-concrete-applications-can-be-overcome\/","title":{"rendered":"Les d\u00e9fis pr\u00e9sent\u00e9s par les nouvelles applications du b\u00e9ton ultra-haute performance peuvent \u00eatre relev\u00e9s"},"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; 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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>Applications des BUHP : quelles sont les difficult\u00e9s et les lacunes \u00e0 combler ?<\/h2>\n<p>Les nouvelles applications du b\u00e9ton ultra-haute performance (BUHP) n\u00e9cessitent de relever plusieurs d\u00e9fis, notamment :<\/p>\n<ul>\n<li>La r\u00e9duction des co\u00fbts de march\u00e9 et de fabrication des BUHP (les ressources locales doivent \u00eatre r\u00e9guli\u00e8res et ne sont pas toujours optimales).<\/li>\n<li>Des recherches suppl\u00e9mentaires sont n\u00e9cessaires sur la ductilit\u00e9, le flambage, l&rsquo;exposition combin\u00e9e.<\/li>\n<li>La concentration exclusive sur la r\u00e9sistance \u00e0 la compression peut conduire \u00e0 des \u00e9tapes co\u00fbteuses au niveau de l&rsquo;usine de pr\u00e9fabrication.<\/li>\n<li>Documentation publique insuffisante concernant l&rsquo;ing\u00e9nierie des processus pour le renforcement par fibres.<\/li>\n<li>D\u00e9veloppement de connexions imperm\u00e9ables, logistique, contr\u00f4le de la qualit\u00e9 des \u00e9l\u00e9ments de forme complexe, probl\u00e8mes d&rsquo;\u00e9tanch\u00e9it\u00e9 (applications marines).<\/li>\n<li>D\u00e9veloppement de solutions de conception optimales pour des applications sp\u00e9cifiques.<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<h2>Si ces d\u00e9fis sont relev\u00e9s, les perspectives des UHPC sont prometteuses<\/h2>\n<p><a href=\"\/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials.jpg\"><img decoding=\"async\" class=\"alignnone size-full wp-image-9292\" src=\"\/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials.jpg\" alt=\"Comparison of different materials\" width=\"2048\" height=\"1172\" srcset=\"\/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials.jpg 2048w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-300x172.jpg 300w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-1024x586.jpg 1024w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-768x440.jpg 768w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-1536x879.jpg 1536w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-1080x618.jpg 1080w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-1280x733.jpg 1280w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-980x561.jpg 980w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-480x275.jpg 480w, \/wp-content\/uploads\/2021\/04\/Comparison-of-different-materials-560x320.jpg 560w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Source: Presans<\/span><\/p>\n<p>\u00a0<\/p>\n<h2>Les innovateurs industriels peuvent relever ces d\u00e9fis seuls ou en unissant leurs forces<\/h2>\n<p>L&rsquo;\u00e9largissement de la gamme d&rsquo;applications des BFUP de haute technologie n\u00e9cessite en fin de compte un puissant changement de philosophie de conception. <a href=\"https:\/\/presans.com\/what-we-do\/?tab=synergy_factory\">Presans et la Presans Synergy Factory<\/a> peuvent aider les innovateurs industriels \u00e0 exploiter pleinement le potentiel de durabilit\u00e9 des BFUP pour des structures situ\u00e9es dans de nouveaux environnements.<\/p>\n<p>[\/et_pb_text][et_pb_post_nav _builder_version=\u00a0\u00bb3.14&Prime; 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