{"id":13446,"date":"2026-03-11T11:09:20","date_gmt":"2026-03-11T03:09:20","guid":{"rendered":"https:\/\/www.wedospace.com\/?p=13446"},"modified":"2026-03-12T11:34:56","modified_gmt":"2026-03-12T03:34:56","slug":"how-to-size-steel-i-beams-for-a-bridge","status":"publish","type":"post","link":"https:\/\/www.wedospace.com\/fr\/how-to-size-steel-i-beams-for-a-bridge\/","title":{"rendered":"Comment dimensionner les poutres en I en acier pour un pont"},"content":{"rendered":"<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:17px;line-height:28px;color:#211c1c;padding:10px 20px;\">\n<div class=\"wp-block-column\">\n<p>Choisir la bonne taille de poutre en I en acier pour le pont n'est en aucun cas une question de se frapper la t\u00eate. Ce processus a toujours \u00e9t\u00e9 incapable de contourner la logique de base : d\u00e9termination de la charge totale, calcul du moment de flexion et de l'effort de cisaillement maximum, et limite de d\u00e9flexion de la garde morte.<\/p>\n\n\n\n<p>Avant d'effectuer un calcul formel, vous devez comprendre qu'il ne s'agit pas simplement de choisir une pi\u00e8ce en acier, mais de jeter les bases de la vie et de la s\u00e9curit\u00e9 de l'ensemble du pont. Ce qui suit est mon d\u00e9montage d\u00e9taill\u00e9 du processus de dimensionnement des poutres en I en acier en fonctionnement r\u00e9el :<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"675\" height=\"334\" src=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-12.jpg\" alt=\"Our prefabricated design\" class=\"wp-image-13454\" srcset=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-12.jpg 675w, https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-12-300x148.jpg 300w, https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-12-18x9.jpg 18w\" sizes=\"auto, (max-width: 675px) 100vw, 675px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_1_Determine_The_Total_Load\"><\/span>\u00c9tape 1. D\u00e9terminer la charge totale<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>La premi\u00e8re \u00e9tape du dimensionnement consiste \u00e0 \u00e9liminer toutes les forces susceptibles d'\u00eatre exerc\u00e9es sur la poutre. L'absence de toute petite charge statique sera amplifi\u00e9e dans les performances structurelles ult\u00e9rieures.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Charges mortes :<\/strong>\u00a0se r\u00e9f\u00e8re au \u201cpoids mort\u201d de la structure du pont elle-m\u00eame. Outre les poutres en I elles-m\u00eames, il faut \u00e9galement compter les tabliers (en b\u00e9ton, en bois ou en caillebotis), les garde-corps, les lampadaires et tous les accessoires permanents.<\/li>\n\n\n\n<li><strong>Charges vives :<\/strong>\u00a0Ce sont les variables qui sont d\u00e9plac\u00e9es. Pour les ponts, il s'agit des v\u00e9hicules qui passent, des pi\u00e9tons et des charges environnementales telles que le vent et la neige.<\/li>\n<\/ul>\n\n\n\n<p>Il est important de calculer ces poids totaux car la charge totale d\u00e9termine directement le module de section requis de la poutre.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_2_Accurate_Calculation_Of_Bending_Moment_And_Shear_Force\"><\/span>\u00c9tape 2. Calcul pr\u00e9cis du moment de flexion et de l'effort tranchant<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Une fois la charge fix\u00e9e, tout d\u00e9pend de la mani\u00e8re dont la poutre sera pli\u00e9e.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Moment de flexion<\/strong><strong>:<\/strong>\u00a0Il s'agit d'une force qui tente de plier la poutre vers le bas. Pour les ponts simples \u00e0 port\u00e9e \u00e9gale, le moment de flexion maximal se produit g\u00e9n\u00e9ralement au point central.<\/li>\n\n\n\n<li><strong>Force de cisaillement :<\/strong>\u00a0Cette force est concentr\u00e9e pr\u00e8s des points d'appui (c'est-\u00e0-dire les extr\u00e9mit\u00e9s du pont), et la poutre doit \u00eatre suffisamment solide pour r\u00e9sister au risque d'\u00eatre \u201ccoup\u00e9e\u201d par la charge verticale.<\/li>\n<\/ul>\n\n\n\n<p>Vous devez vous assurer que la r\u00e9sistance de la section transversale de l'acier s\u00e9lectionn\u00e9 est stable pour couvrir la contrainte maximale calcul\u00e9e.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_3_Deflection_Limit\"><\/span>\u00c9tape 3. Limite de d\u00e9flexion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>De nombreuses personnes confondent les normes des b\u00e2timents et des ponts. Les ponts doivent \u00eatre plus rigides pour supprimer la \u201csensation de rebond\u201d ou les vibrations. Si la voiture est fortement secou\u00e9e dans le pass\u00e9, cela entra\u00eenera non seulement une fatigue structurelle, mais aussi un sentiment de malaise chez le conducteur. La norme L\/500 signifie que pour une trav\u00e9e de pont de 50 pieds, la poutre ne peut pas se d\u00e9gonfler de plus de 1,2 pouce \u00e0 la charge maximale. Dans certains projets o\u00f9 le trafic est intense ou les exigences de pr\u00e9cision \u00e9lev\u00e9es, je vais m\u00eame pousser cette limite jusqu'\u00e0 L\/800.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1006\" height=\"602\" src=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-13.jpg\" alt=\"Physical deformation comparison diagram\" class=\"wp-image-13456\" srcset=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-13.jpg 1006w, https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-13-300x180.jpg 300w, https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-13-768x460.jpg 768w, https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/03\/image-13-18x12.jpg 18w\" sizes=\"auto, (max-width: 1006px) 100vw, 1006px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step_4_Preliminary_Sizing\"><\/span>\u00c9tape 4. Dimensionnement pr\u00e9liminaire<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Avant d'introduire des donn\u00e9es dans un syst\u00e8me de simulation complexe, je vais limiter les choix. Un rapport hauteur\/port\u00e9e compris entre 1\/25 et 1\/30 est la r\u00e8gle d'or pour un dimensionnement pr\u00e9liminaire.<\/p>\n\n\n\n<p>Si vous deviez construire un pont d'une port\u00e9e de 30 pieds, la hauteur de la poutre devrait \u00eatre d'environ 14 \u00e0 15 pouces \u00e0 l'\u00e9chelle 1\/25. Cela vous donne une indication tr\u00e8s claire : passez directement \u00e0 la cat\u00e9gorie W14 ou W16 des poutres \u00e0 larges ailes pour trouver une solution.<\/p>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"padding-bottom:100px;padding-top:100px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  product-demo1 no-margin-bottom\" id=\"maxw\" style=\"height:320px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:25px;color:#333333;padding:20px 20px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-medium-font-size\"><strong><strong>Atelier \u00e0 structure m\u00e9tallique<\/strong><\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><br>Les ateliers \u00e0 structure m\u00e9tallique sont polyvalents. La port\u00e9e libre garantit un espace sans obstacle, tandis que les colonnes centrales et interm\u00e9diaires offrent des solutions \u00e9conomiques pour les grandes port\u00e9es.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out\" style=\"text-align:undefined;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#183884;color:#ffffff;font-size:14px;border:solid 1px #318ec8;padding:6px 43px;\"><a href=\"https:\/\/www.wedospace.com\/fr\/warehouseworkshop\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.wedospace.com\/fr\/warehouseworkshop\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"padding-top:110px;height:320px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center hover-only-title has-monte-white-color has-text-color has-link-color wp-elements-56c2aa5e1baf9761b998751b0f644cee\" style=\"font-size:30px\"><span class=\"ez-toc-section\" id=\"Steel_Structure_Workshop\"><\/span><strong><strong><a href=\"https:\/\/www.wedospace.com\/fr\/warehouseworkshop\/\">Atelier \u00e0 structure m\u00e9tallique<\/a><\/strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/01\/\u672a\u6807\u9898-6.png\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/01\/\u672a\u6807\u9898-6.png\"><\/div><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  product-demo1 no-margin-bottom\" id=\"maxw\" style=\"height:320px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:25px;color:#333333;padding:20px 20px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-medium-font-size\"><strong> Pont\/Structure en acier Bridgeipsum<\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><br>Les ponts \u00e0 structure en acier utilisent des rapports r\u00e9sistance\/poids \u00e9lev\u00e9s pour atteindre de longues port\u00e9es l\u00e0 o\u00f9 les appuis interm\u00e9diaires sont difficiles.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out\" style=\"text-align:undefined;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#183884;color:#ffffff;font-size:14px;border:solid 1px #318ec8;padding:6px 43px;\"><a href=\"https:\/\/www.wedospace.com\/fr\/bridge-steel-bridge-steel-structure-bridge\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.wedospace.com\/fr\/bridge-steel-bridge-steel-structure-bridge\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"padding-top:110px;height:320px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center hover-only-title has-monte-white-color has-text-color has-link-color wp-elements-6f1fee3dc6d3a0d7b10430e25d71164a\" style=\"font-size:30px\"><span class=\"ez-toc-section\" id=\"Bridgesteel\"><\/span><a href=\"https:\/\/www.wedospace.com\/fr\/bridge-steel-bridge-steel-structure-bridge\/\" data-type=\"link\" data-id=\"https:\/\/www.wedospace.com\/bridge-steel-bridge-steel-structure-bridge\/\">Pont\/acier<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/01\/\u672a\u6807\u9898-7.jpg\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2026\/01\/\u672a\u6807\u9898-7.jpg\"><\/div><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  product-demo1 no-margin-bottom\" id=\"maxw\" style=\"height:320px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in  no-margin-bottom\">\n<div class=\"wp-block-columns no-margin-bottom\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:25px;color:#333333;padding:20px 20px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-medium-font-size\"><strong>B\u00e2timents \u00e0 structure m\u00e9tallique<\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><br>Les b\u00e2timents \u00e0 structure m\u00e9tallique pr\u00e9sentent des conceptions polyvalentes pour r\u00e9pondre \u00e0 des besoins divers. La port\u00e9e libre offre un espace ouvert, tandis que les colonnes centrales et interm\u00e9diaires augmentent l'\u00e9conomie pour les grandes port\u00e9es. Le syst\u00e8me Multi Gable permet de r\u00e9pondre \u00e0 des largeurs complexes. <\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out\" style=\"text-align:undefined;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#183884;color:#ffffff;font-size:14px;border:solid 1px #318ec8;padding:6px 43px;\"><a href=\"https:\/\/www.wedospace.com\/fr\/steel-structure-buildings-2\/\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get Quote\" style=\"color:#318ec8;background-color:#ffffff;padding:6px 43px;\" href=\"https:\/\/www.wedospace.com\/fr\/steel-structure-buildings-2\/\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"padding-top:110px;height:320px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center hover-only-title has-monte-white-color has-text-color has-link-color wp-elements-d73d4fab64b24bded77f1ce71afb29f3\" style=\"font-size:30px\"><span class=\"ez-toc-section\" id=\"Steel_Structure_Buildings\"><\/span><strong><a href=\"https:\/\/www.wedospace.com\/fr\/steel-structure-buildings-2\/\" data-type=\"link\" data-id=\"https:\/\/www.wedospace.com\/steel-structure-buildings-2\/\">B\u00e2timents \u00e0 structure m\u00e9tallique<\/a><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2025\/12\/\u672a\u6807\u9898-9.png\"><\/div><div class=\"MovePnly themepark-block_layout_ba lazyload swiper-move-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.wedospace.com\/wp-content\/uploads\/2025\/12\/\u672a\u6807\u9898-9.png\"><\/div><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<style>\r\n.product-demo1{\r\n  border:1px solid #D4D4D4;\r\n}\r\n\r\n\/* \u533a\u5757\u6574\u4f53 hover \u80cc\u666f + \u6587\u5b57\u53d8\u767d *\/\r\n.product-demo1 {\r\n    transition: background-color 0.45s ease;\r\n}\r\n\r\n.product-demo1:hover {\r\n    background-color: var(--wp--preset--color--themecolor-1);\r\n}\r\n\r\n\/* \u5de6\u4fa7\u6240\u6709\u6587\u5b57 hover \u540e\u5f3a\u5236\u767d\u8272 *\/\r\n.product-demo1:hover .content-super-p,\r\n.product-demo1:hover .content-super-p p,\r\n.product-demo1:hover .content-super-p strong,\r\n.product-demo1:hover .content-super-p .has-medium-font-size {\r\n    color: #ffffff !important;\r\n}\r\n\r\n\/* \u6309\u94ae\uff1a\u521d\u59cb\u4e3b\u9898\u8272\u5e95+\u767d\u5b57 \u2192 hover \u767d\u5e95+\u4e3b\u9898\u8272\u5b57 *\/\r\n.product-demo1 .themepark-i-btn {\r\n    background-color: var(--wp--preset--color--themecolor-1) !important;\r\n    color: #ffffff !important;\r\n    border-color: var(--wp--preset--color--themecolor-1) !important;\r\n    transition: all 0.4s ease;\r\n}\r\n\r\n.product-demo1:hover .themepark-i-btn {\r\n    background-color: #ffffff !important;\r\n    color: var(--wp--preset--color--themecolor-1) !important;\r\n    border-color: var(--wp--preset--color--themecolor-1) !important;\r\n}\r\n\r\n\/* \u2500\u2500\u2500 \u53f3\u4fa7\u56fe\u7247\u533a\u57df\uff1a\u906e\u7f69 + hover-only-title \u2500\u2500\u2500 *\/\r\n\r\n.PcOnly.themepark-block_layout_ba {\r\n    position: relative; 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S\u00e9lection de la poutre \u00e0 large aile et de la limite d'\u00e9lasticit\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Dans le domaine des ponts, les poutres \u00e0 ailes larges sont des protagonistes dignes d'int\u00e9r\u00eat en raison de leur traitement extr\u00eamement efficace des moments de flexion.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Limite d'\u00e9lasticit\u00e9<\/strong><strong>:<\/strong>\u00a0Cessez de vous accrocher \u00e0 l'ancien acier A36. La plupart des normes actuelles sont celles de l'ASTM A992, dont la limite d'\u00e9lasticit\u00e9 est de 50 ksi et dont le rapport r\u00e9sistance\/poids d\u00e9passe de loin celui des anciens mat\u00e9riaux.<\/li>\n\n\n\n<li><strong>V\u00e9rification du tableau des port\u00e9es et du logiciel :<\/strong>\u00a0Apr\u00e8s avoir s\u00e9lectionn\u00e9 la qualit\u00e9 du mat\u00e9riau, la derni\u00e8re \u00e9tape consiste \u00e0 calculer le moment de flexion, l'effort de cisaillement et les exigences de d\u00e9flexion, \u00e0 v\u00e9rifier le tableau des port\u00e9es de la localit\u00e9 ou \u00e0 utiliser un logiciel professionnel pour une confirmation finale.<\/li>\n<\/ul>\n\n\n\n<p>Chaque lien technique, de l'analyse des charges \u00e0 la s\u00e9lection des mat\u00e9riaux, vise \u00e0 garantir que ces poutres en acier peuvent r\u00e9pondre aux besoins sp\u00e9cifiques du projet en s'ajustant parfaitement. Si vous vous \u00e9garez dans l'estimation pr\u00e9liminaire, la conception d\u00e9taill\u00e9e qui suit n'obtiendra que le double du r\u00e9sultat avec la moiti\u00e9 de l'effort.<\/p>\n\n\n\n<p>Auteur : Robert Harrison, P.E.<\/p>\n\n\n\n<p>\u201cJe suis un ing\u00e9nieur structurel avec plus de 11 ans d'exp\u00e9rience, sp\u00e9cialis\u00e9 dans la conception de ponts en acier et de projets d'infrastructure. Tout au long de ma carri\u00e8re, j'ai trouv\u00e9 un \u00e9quilibre entre la pr\u00e9cision des logiciels de simulation modernes et la fiabilit\u00e9 des formules empiriques \u00e9prouv\u00e9es.\u201d<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":13454,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[28],"tags":[],"class_list":["post-13446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"metadata":{"_edit_lock":["1773286539:3"],"rank_math_seo_score":["19"],"rank_math_primary_category":["28"],"_edit_last":["3"],"_ez-toc-disabled":[""],"_ez-toc-insert":[""],"_ez-toc-header-label":[""],"_ez-toc-device-target":[""],"_ez-toc-alignment":["none"],"_ez-toc-heading-levels":["a:0:{}"],"_ez-toc-alttext":[""],"_ez-toc-visibility_hide_by_default":[""],"_ez-toc-hide_counter":[""],"_ez-toc-exclude":[""],"_ez-toc-word_count_limit":["0"],"_ez-toc-position-specific":[""],"product_title":[""],"_product_title":["field_696dcb32bdf4a"],"product_description":[""],"_product_description":["field_696dcb5bbdf4b"],"product_parametertitle":[""],"_product_parametertitle":["field_696dcb64bdf4c"],"product_parameter1":[""],"_product_parameter1":["field_696dcb6bbdf4d"],"product_parameter2":[""],"_product_parameter2":["field_696dcb77bdf4e"],"product_parameter3":[""],"_product_parameter3":["field_696dcb7bbdf4f"],"product_parameter4":[""],"_product_parameter4":["field_698bf447ce749"],"product_parameter5":[""],"_product_parameter5":["field_698bf44dce74a"],"product_parameter6":[""],"_product_parameter6":["field_698bf456ce74b"],"product_parameter7":[""],"_product_parameter7":["field_698bf45dce74c"],"product_parameter8":[""],"_product_parameter8":["field_698bf460ce74d"],"product_parameter9":[""],"_product_parameter9":["field_698bf464ce74e"],"parameter_describ":[""],"_parameter_describ":["field_698bf496ce756"],"product_parameter_description1":[""],"_product_parameter_description1":["field_696dcb80bdf50"],"product_parameter_description2":[""],"_product_parameter_description2":["field_696dcb87bdf51"],"product_parameter_description3":[""],"_product_parameter_description3":["field_696dcb8bbdf52"],"product_parameter_description4":[""],"_product_parameter_description4":["field_698bf473ce74f"],"product_parameter_description5":[""],"_product_parameter_description5":["field_698bf477ce750"],"product_parameter_description6":[""],"_product_parameter_description6":["field_698bf47dce751"],"product_parameter_description7":[""],"_product_parameter_description7":["field_698bf480ce752"],"product_parameter_description8":[""],"_product_parameter_description8":["field_698bf484ce753"],"product_parameter_description9":[""],"_product_parameter_description9":["field_698bf48ace754"],"characteristics_tittle":[""],"_characteristics_tittle":["field_696dcb93bdf53"],"characteristics_tittle1":[""],"_characteristics_tittle1":["field_696dcb9abdf54"],"characteristics_tittle2":[""],"_characteristics_tittle2":["field_696dcb9dbdf55"],"characteristics_tittle3":[""],"_characteristics_tittle3":["field_696dcba0bdf56"],"characteristics_tittle4":[""],"_characteristics_tittle4":["field_696dcba3bdf57"],"characteristics_tittle5":[""],"_characteristics_tittle5":["field_696dcbb1bdf58"],"characteristics_tittle6":[""],"_characteristics_tittle6":["field_696dcbc0bdf59"],"characteristics_description1":[""],"_characteristics_description1":["field_696dcbc3bdf5a"],"characteristics_description2":[""],"_characteristics_description2":["field_696dcbcdbdf5b"],"characteristics_description3":[""],"_characteristics_description3":["field_696dcbd2bdf5c"],"characteristics_description4":[""],"_characteristics_description4":["field_696dcbd6bdf5d"],"characteristics_description5":[""],"_characteristics_description5":["field_696dcbdabdf5e"],"characteristics_description6":[""],"_characteristics_description6":["field_696dcbdebdf5f"],"detailed_specifications_table":[""],"_detailed_specifications_table":["field_696deea21804d"],"comparison_points_tittle":[""],"_comparison_points_tittle":["field_696dcbeabdf60"],"comparison_points_description":[""],"_comparison_points_description":["field_696dcbf3bdf61"],"comparison_points_tittle1":[""],"_comparison_points_tittle1":["field_696dcbfebdf62"],"comparison_points_tittle2":[""],"_comparison_points_tittle2":["field_696dcc05bdf63"],"comparison_points_tittle3":[""],"_comparison_points_tittle3":["field_696dcc0dbdf64"],"comparison_points_description1":[""],"_comparison_points_description1":["field_696dcc13bdf65"],"comparison_points_description2":[""],"_comparison_points_description2":["field_696dcc19bdf66"],"comparison_points_description3":[""],"_comparison_points_description3":["field_696dcc1dbdf67"],"ap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