b\u00e9ton pr\u00e9contraint<\/a> pour la r\u00e9alisation de planchers. Ceci offre des avantages structurels, \u00e0 l\u2019optimisation de l\u2019emploi des mat\u00e9riels, ainsi qu\u2019\u00e0 la vitesse d\u2019ex\u00e9cution et \u00e0 la qualit\u00e9 or il s\u2019agit d\u2019\u00e9l\u00e9ments qu\u2019ont \u00e9t\u00e9 fabriqu\u00e9s dans des usines, c\u2019est-\u00e0-dire dans une ambiance contr\u00f4l\u00e9e.<\/p>\nLes dalles alv\u00e9ol\u00e9es permettent la construction des planchers sans coffrage, avec des longues port\u00e9es sans support interm\u00e9diaire et avec une r\u00e9duction sur l\u2019emploi des mat\u00e9riaux notamment acier et ciment en raison de sa fabrication en b\u00e9ton pr\u00e9contraint dont la densit\u00e9 est plus \u00e9lev\u00e9e.<\/p>\n
Pourtant en ex\u00e9cution standard il s\u2019agit d\u2019\u00e9l\u00e9ments constructifs d\u2019utilisation universelle. En zone sismique, la Norme Europ\u00e9enne EN1992-1-1, relative aux structures en b\u00e9ton, signale que pour l\u2019utilisation des dalles alv\u00e9ol\u00e9es en fonction membrane elles doivent forcement travailler en fonction compos\u00e9 avec une table collaborante. En plus, la friction longitudinale au joint entre dalles vient limit\u00e9e \u00e0 0,15 N\/mm2 par la m\u00eame Norme.<\/p>\n
La solution consiste \u00e0 la fabrication des dalles alv\u00e9ol\u00e9es avec dent\u00e9 lat\u00e9rale, tel comme signal\u00e9 sur l\u2019Eurocode 2\u00a0: friction additionnelle sans r\u00e9duction par la Norme du valeur calcul\u00e9 et r\u00e9duction de l\u2019\u00e9paisseur de la table collaborante. Il est m\u00eame possible de se passer en zone sismique de la table collaborante dans certaines conditions.<\/p>\n","protected":false},"excerpt":{"rendered":"
Dans plusieurs march\u00e9s, il est tr\u00e8s habituel l\u2019utilisation de dalles […]<\/p>\n","protected":false},"author":5,"featured_media":8463,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-8459","post","type-post","status-publish","format-standard","has-post-thumbnail","category-non-classifiee","post-with-thumbnail","post-with-thumbnail-icon"],"yoast_head":"\n
La solution industrialis\u00e9e pour la construction en zone sismique<\/title>\n \n \n \n \n \n \n \n \n \n \n \n \n \n\t \n\t \n\t \n \n \n \n \n \n\t \n\t \n\t \n","yoast_head_json":{"title":"La solution industrialis\u00e9e pour la construction en zone sismique","description":"Dans plusieurs march\u00e9s, il est tr\u00e8s habituel l\u2019utilisation de dalles alv\u00e9ol\u00e9es en b\u00e9ton pr\u00e9contraint pour la r\u00e9alisation de planchers en zones sismiques.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.prensoland.com\/fr\/solution-construction-zone-sismique\/","og_locale":"fr_FR","og_type":"article","og_title":"La solution industrialis\u00e9e pour la construction en zone sismique","og_description":"Dans plusieurs march\u00e9s, il est tr\u00e8s habituel l\u2019utilisation de dalles alv\u00e9ol\u00e9es en b\u00e9ton 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