{"id":26209,"date":"2025-10-24T09:25:49","date_gmt":"2025-10-24T09:25:49","guid":{"rendered":"https:\/\/skwroof.com\/?p=26209"},"modified":"2025-10-24T09:26:02","modified_gmt":"2025-10-24T09:26:02","slug":"the-structural-science-behind-skw-stone-coated-metal-roof-load-capacity","status":"publish","type":"post","link":"https:\/\/skwroof.com\/fr\/the-structural-science-behind-skw-stone-coated-metal-roof-load-capacity\/","title":{"rendered":"La science des structures derri\u00e8re la capacit\u00e9 de charge des toits en m\u00e9tal rev\u00eatu de pierre SKW"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"26209\" class=\"elementor elementor-26209\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38248680 e-flex e-con-boxed e-con e-parent\" data-id=\"38248680\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-512518de elementor-widget elementor-widget-text-editor\" data-id=\"512518de\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">La trinit\u00e9 porteuse : Ing\u00e9nierie des actions composites<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Syst\u00e8me de synergie structurelle<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26210,\"width\":\"840px\",\"height\":\"auto\",\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"280\" class=\"wp-image-26210 aligncenter\" style=\"width: 840px; height: auto;\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-23-1024x280.png\" alt=\"SKW meatl roof Structural Synergy System\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-23-1024x280.png 1024w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-23-300x82.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-23-768x210.png 768w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-23-18x5.png 18w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-23.png 1237w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>Sp\u00e9cifications de la science des mat\u00e9riaux<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Composant<\/th>\n<th>Sp\u00e9cifications<\/th>\n<th>Norme d'essai<\/th>\n<th>Importance<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Noyau d'acier<\/td>\n<td>G550 AZ150<\/td>\n<td>ASTM A792\/A792M<\/td>\n<td>R\u00e9sistance \u00e0 la traction 550MPa<\/td>\n<\/tr>\n<tr>\n<td>Poids du rev\u00eatement<\/td>\n<td>AZ150<\/td>\n<td>EN 10346<\/td>\n<td>150g\/m\u00b2 zinc-aluminium<\/td>\n<\/tr>\n<tr>\n<td>Limite d'\u00e9lasticit\u00e9<\/td>\n<td>550 MPa<\/td>\n<td>ISO 6892-1<\/td>\n<td>R\u00e9sistance \u00e0 la d\u00e9formation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Performance de la charge statique : Neige et \u00e9quipement<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>\u00c9tapes de la certification<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>UL 580 Classe de soul\u00e8vement au vent 120<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>ASTM E1592 Classement pour les conditions m\u00e9t\u00e9orologiques s\u00e9v\u00e8res<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Charge statique de 300 psf (sup\u00e9rieure \u00e0 la plupart des codes du b\u00e2timent)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Approbation de FM Global 1-90<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">R\u00e9sistance \u00e0 la charge dynamique : Vent et impact<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Donn\u00e9es de simulation d'ouragans<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26211,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"405\" class=\"wp-image-26211 aligncenter\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-24-1024x405.png\" alt=\"skw metal roof Hurricane Simulation Data\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-24-1024x405.png 1024w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-24-300x119.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-24-768x304.png 768w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-24-18x7.png 18w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-24.png 1237w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>Performance de l'essai d'impact<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>\u00c9nergie d'impact<\/th>\n<th>R\u00e9sultat<\/th>\n<th>\u00c9quivalent dans le monde r\u00e9el<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>110 pieds-livres<\/td>\n<td>Pas de rupture<\/td>\n<td>Bois d'\u0153uvre 2\u00d74 \u00e0 100mph<\/td>\n<\/tr>\n<tr>\n<td>170 pieds-livres<\/td>\n<td>D\u00e9formation mineure<\/td>\n<td>Pierre de gr\u00eale @ 4\u2033 de diam\u00e8tre<\/td>\n<\/tr>\n<tr>\n<td>240 pieds-livres<\/td>\n<td>\u00c9chec contr\u00f4l\u00e9<\/td>\n<td>Branche d'arbre @ 50lbs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Ing\u00e9nierie g\u00e9om\u00e9trique : Le principe de l'arc<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>M\u00e9canismes de conception des profils<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26212,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"86\" class=\"wp-image-26212 aligncenter\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-25-1024x86.png\" alt=\"SKW Profile Design Mechanics\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-25-1024x86.png 1024w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-25-300x25.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-25-768x65.png 768w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-25-18x2.png 18w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-25.png 1246w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>Comparaison des performances de la port\u00e9e<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Espacement<\/th>\n<th>Carrelage traditionnel Port\u00e9e maximale<\/th>\n<th>SKW Port\u00e9e maximale<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>16\u2033 o.c.<\/td>\n<td>8&#8242;-0&#8243;<\/td>\n<td>14&#8242;-6&#8243;<\/td>\n<\/tr>\n<tr>\n<td>24\u2033 o.c.<\/td>\n<td>Non recommand\u00e9<\/td>\n<td>10&#8242;-9&#8243;<\/td>\n<\/tr>\n<tr>\n<td>32\u2033 o.c.<\/td>\n<td>Interdit<\/td>\n<td>8&#8242;-4&#8243;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Technologie de fixation : Syst\u00e8me de serrage cach\u00e9<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Avantage du verrouillage m\u00e9canique<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26213,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"797\" height=\"209\" class=\"wp-image-26213 aligncenter\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-26.png\" alt=\"Stone coated Metal roof Mechanical Interlock\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-26.png 797w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-26-300x79.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-26-768x201.png 768w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-26-18x5.png 18w\" sizes=\"(max-width: 797px) 100vw, 797px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>R\u00e9sistance au soul\u00e8vement par le vent<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Type d'installation<\/th>\n<th>Pression de d\u00e9faillance<\/th>\n<th>Am\u00e9lioration<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Fixation apparente<\/td>\n<td>90 psf<\/td>\n<td>Base de r\u00e9f\u00e9rence<\/td>\n<\/tr>\n<tr>\n<td>Syst\u00e8me de clips cach\u00e9s<\/td>\n<td>300 psf<\/td>\n<td>233%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u00c9tude de cas : Charge de neige extr\u00eame<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Projet<\/strong>: Station alpine, Alpes suisses<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>D\u00e9fi<\/strong>: 400cm de neige par an + 120mph de vent<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><strong>Solution SKW<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26214,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"139\" class=\"wp-image-26214 aligncenter\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-27-1024x139.png\" alt=\"\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-27-1024x139.png 1024w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-27-300x41.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-27-768x104.png 768w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-27-18x2.png 18w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-27.png 1237w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>Mesures de performance<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Charge de neige support\u00e9e de 290psf (3\u00d7 code local)<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>D\u00e9formation nulle apr\u00e8s 15 cycles de gel-d\u00e9gel<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>R\u00e9duction des co\u00fbts d'entretien : 75% par rapport aux toits traditionnels<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Gestion de la charge thermique<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Technologie de contr\u00f4le de l'expansion<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26215,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"621\" height=\"339\" class=\"wp-image-26215 aligncenter\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-28.png\" alt=\"SKW Stone coated Metal Roof Expansion Control Technology\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-28.png 621w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-28-300x164.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-28-18x10.png 18w\" sizes=\"(max-width: 621px) 100vw, 621px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>Mesures du mouvement<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Temp Delta<\/th>\n<th>Mouvement par 10ft<\/th>\n<th>Toit conventionnel<\/th>\n<th>Syst\u00e8me SKW<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>100\u00b0F<\/td>\n<td>0.45&#8243;<\/td>\n<td>Dommages par flambage<\/td>\n<td>Z\u00e9ro stress<\/td>\n<\/tr>\n<tr>\n<td>150\u00b0F<\/td>\n<td>0.68&#8243;<\/td>\n<td>D\u00e9faillance du joint<\/td>\n<td>Mouvement contr\u00f4l\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Performance sismique<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Donn\u00e9es de simulation de tremblement de terre<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Ampleur<\/th>\n<th>D\u00e9placement<\/th>\n<th>R\u00e9sultat<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>6,0 Richter<\/td>\n<td>3.5\u2033 lat\u00e9ral<\/td>\n<td>Aucun dommage<\/td>\n<\/tr>\n<tr>\n<td>7.2 Richter<\/td>\n<td>8.7\u2033 lat\u00e9ral<\/td>\n<td>D\u00e9formation mineure du clip<\/td>\n<\/tr>\n<tr>\n<td>8,0 Richter<\/td>\n<td>12.0\u2033 lat\u00e9ral<\/td>\n<td>Dommages r\u00e9parables<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:paragraph -->\n<p><strong>Caract\u00e9ristique unique<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Syst\u00e8me de clips \u00e0 alignement automatique<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>D\u00e9formation de l'acier ductile avant rupture<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Rev\u00eatement de pierre non fragile<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Consid\u00e9rations relatives \u00e0 la charge de l'installation<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Syst\u00e8me de s\u00e9curit\u00e9 pour la marche<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26216,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"414\" class=\"wp-image-26216 aligncenter\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-29-1024x414.png\" alt=\"SKW  Walking Safety System\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-29-1024x414.png 1024w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-29-300x121.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-29-768x310.png 768w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-29-18x7.png 18w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-29.png 1237w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>Technologie de r\u00e9partition de la charge<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Chemins de randonn\u00e9e \u00e0 nervures renforc\u00e9es<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Technologie des granul\u00e9s antid\u00e9rapants<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Plaques d'\u00e9cartement des charges ponctuelles<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">M\u00e9thodologie des tests de charge<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Processus de certification<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26217,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"464\" height=\"421\" class=\"wp-image-26217 aligncenter\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-30.png\" alt=\"SKW Certification Process\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-30.png 464w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-30-300x272.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-30-13x12.png 13w\" sizes=\"(max-width: 464px) 100vw, 464px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>Mat\u00e9riel d'essai<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>Ch\u00e2ssis de charge hydraulique de 400 000 livres<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Buse de soufflerie de 8\u00d78 pieds<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Chambre d'alt\u00e9ration acc\u00e9l\u00e9r\u00e9e<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Lignes directrices pour le calcul des structures<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><strong>Formules d'ing\u00e9nierie<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":26218,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"126\" class=\"wp-image-26218 aligncenter\" src=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-31-1024x126.png\" alt=\"SKW Engineering Formulas\" srcset=\"https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-31-1024x126.png 1024w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-31-300x37.png 300w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-31-768x94.png 768w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-31-18x2.png 18w, https:\/\/skwroof.com\/wp-content\/uploads\/2025\/10\/image-31.png 1124w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>Coefficients de performance SKW<\/strong>:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Param\u00e8tres<\/th>\n<th>Valeur<\/th>\n<th>Avantage<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>E (module d'\u00e9lasticit\u00e9)<\/td>\n<td>203 GPa<\/td>\n<td>3\u00d7 b\u00e9ton<\/td>\n<\/tr>\n<tr>\n<td>I (Moment d'inertie)<\/td>\n<td>0.89 in\u2074\/ft<\/td>\n<td>Augmentation 40%<\/td>\n<\/tr>\n<tr>\n<td>Contrainte admissible<\/td>\n<td>345 MPa<\/td>\n<td>28% plus \u00e9lev\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\"><strong>Facteurs de d\u00e9gradation<\/strong>:<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li>La r\u00e9sistance \u00e0 la corrosion maintient l'int\u00e9grit\u00e9 de l'acier<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Les rev\u00eatements stables aux UV emp\u00eachent la fragilisation<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li>Les mat\u00e9riaux non absorbants \u00e9vitent les d\u00e9g\u00e2ts caus\u00e9s par le gel.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">Documentation technique<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><a href=\"https:\/\/skwroof.com\/fr\/\">Logiciel de calcul de la charge<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><a href=\"https:\/\/skwroof.com\/fr\/projects\/\">Biblioth\u00e8que de certification<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><a href=\"https:\/\/skwroof.com\/fr\/about-skw\/\">Vid\u00e9os sur les essais structurels<\/a><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p><em>Certifications : UL 580 - FM 4471 - ASTM E1592 - ICC-ES AC438 - CE EN 15601<\/em><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:quote -->\n<blockquote class=\"wp-block-quote\"><!-- wp:paragraph -->\n<p>Les toitures SKW sont con\u00e7ues pour r\u00e9sister aux forces les plus extr\u00eames de la nature - des charges de neige de l'Alaska aux ouragans des Cara\u00efbes. Notre syst\u00e8me structurel composite offre une capacit\u00e9 de charge de 2 \u00e0 3 fois sup\u00e9rieure \u00e0 celle des toitures traditionnelles, v\u00e9rifi\u00e9e par des laboratoires ind\u00e9pendants et des performances r\u00e9elles dans les environnements les plus exigeants du monde.<\/p>\n<!-- \/wp:paragraph --><\/blockquote>\n<!-- \/wp:quote -->\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can stone-coated roofs support solar installations?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Our systems are engineered for 5 psf additional load capacity specifically for solar. Integrated mounting points allow direct attachment without penetration, supporting up to 45 lbs\/sq ft combined load.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How much weight can I walk on?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Safety limits: - Distributed load: 300 psf - Concentrated load: 1,000 lbs on 1 sq ft - Always walk on rib crowns, never in valleys. Our anti-slip surface provides 0.67 friction coefficient exceeding OSHA standards.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do you provide engineering stamps?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. We supply: - ICC-ES ESR-4457 - Florida Product Approval #FL24352 - California Title 24 Certification - PE-stamped load tables for all profiles.\"\n      }\n    }\n  ]\n}\n<\/script>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>La trinit\u00e9 porteuse : Composite Action Engineering Structural Synergy System (syst\u00e8me de synergie structurelle) : Science des mat\u00e9riaux Sp\u00e9cifications : Sp\u00e9cification du composant Test Norme Signification Noyau en acier G550 AZ150 ASTM A792\/A792M R\u00e9sistance \u00e0 la traction 550MPa Poids du rev\u00eatement AZ150 EN 10346 150g\/m\u00b2 zinc-aluminium Limite d'\u00e9lasticit\u00e9 550 MPa ISO 6892-1 R\u00e9sistance \u00e0 la d\u00e9formation Charge statique Performance : Milestones de certification de la neige et de l'\u00e9quipement : R\u00e9sistance aux charges dynamiques : R\u00e9sistance aux charges dynamiques : vent et impact [...]<\/p>","protected":false},"author":1,"featured_media":26220,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[462,463,461,460],"class_list":["post-26209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-composite-roofing-system","tag-metal-roof-span-capacity","tag-roof-structural-engineering","tag-stone-coated-metal-roof-load-capacity"],"_links":{"self":[{"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/posts\/26209"}],"collection":[{"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/comments?post=26209"}],"version-history":[{"count":4,"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/posts\/26209\/revisions"}],"predecessor-version":[{"id":26223,"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/posts\/26209\/revisions\/26223"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/media\/26220"}],"wp:attachment":[{"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/media?parent=26209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/categories?post=26209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skwroof.com\/fr\/wp-json\/wp\/v2\/tags?post=26209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}