{"id":30769,"date":"2019-06-04T14:54:34","date_gmt":"2019-06-04T12:54:34","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/infos-conseils\/notions-de-physique-de-la-construction\/pression-au-vent\/"},"modified":"2019-06-04T14:54:34","modified_gmt":"2019-06-04T12:54:34","slug":"pression-au-vent","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/fr-be\/pression-au-vent\/","title":{"rendered":"Pression au vent"},"content":{"rendered":"<p>\n\tLes exigences concernant les charges li&eacute;es aux vents auxquelles les constructions n&eacute;erlandaises doivent r&eacute;pondre sont indiqu&eacute;es dans les normes NEN du Nederlands Normalisatie Instituut (Institut n&eacute;erlandais de normalisation). Les constructions enti&egrave;rement &eacute;tay&eacute;es, comme les toitures traditionnelles &agrave; joint debout, &agrave; tasseaux ou &agrave; losanges, sont surtout expos&eacute;es &agrave; des courants d&rsquo;air. Dans le cadre des constructions porte &agrave; faux, la force du vent, le poids et par cons&eacute;quent la flexion du mat&eacute;riau jouent un r&ocirc;le. La m&eacute;thode de fixation mais &eacute;galement le profil (fa&ccedil;onnage) du mat&eacute;riau sont donc importants. Les courants d&rsquo;air auxquels un mur ou un toit est expos&eacute; varient en fonction de la hauteur et de la forme du b&acirc;timent. Nous entendons par courants d&rsquo;air&nbsp;: un courant d&rsquo;air r&eacute;parti de mani&egrave;re uniforme et occasionn&eacute; par le vent, exprim&eacute; en N\/m&sup2;, perpendiculaire &agrave; une surface expos&eacute;e au vent. Le calcul du courant d&rsquo;air et de la force de propulsion dans le sens du vent, en fonction de la hauteur, ainsi que les diff&eacute;rences entre les r&eacute;gions de vent sont d&eacute;finis dans une norme.<\/p>\n<p>\n\tLe rev&ecirc;tement de toiture et de fa&ccedil;ade en zinc est fix&eacute; sur la construction &agrave; l&rsquo;aide de pattes. Sur les syst&egrave;mes &agrave; joint debout et &agrave; tasseaux, les pattes se trouvent sur le joint lat&eacute;ral entre deux bacs de toit. Sur les syst&egrave;mes &agrave; losanges, les pattes sont int&eacute;gr&eacute;es dans la bordure du crochet de chaque losange. Sur les toits avec des bacs plats soud&eacute;s, les pattes se trouvent sous les joints de soudure. Les pattes sont souvent en zinc-titane, elles peuvent cependant &eacute;galement &ecirc;tre en acier inoxydable, en acier galvanis&eacute; thermique ou en aluminium. Il est n&eacute;cessaire d&rsquo;utiliser des pattes fixes et coulissantes sur les toits et les fa&ccedil;ades compos&eacute;s de bacs.<\/p>\n<div>\n<p>\n\t\t&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les exigences concernant les charges li&eacute;es aux vents auxquelles les constructions n&eacute;erlandaises doivent r&eacute;pondre sont indiqu&eacute;es dans les normes NEN du Nederlands Normalisatie Instituut (Institut n&eacute;erlandais de normalisation). Les constructions enti&egrave;rement &eacute;tay&eacute;es, comme les toitures traditionnelles &agrave; joint debout, &agrave; tasseaux ou &agrave; losanges, sont surtout expos&eacute;es &agrave; des courants d&rsquo;air. Dans le cadre des [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":710,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-30769","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pression au vent \u2013 NedZink<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nedzink.com\/fr-be\/pression-au-vent\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pression au vent \u2013 NedZink\" \/>\n<meta property=\"og:description\" content=\"Les exigences concernant les charges li&eacute;es aux vents auxquelles les constructions n&eacute;erlandaises doivent r&eacute;pondre sont indiqu&eacute;es dans les normes NEN du Nederlands Normalisatie Instituut (Institut n&eacute;erlandais de normalisation). Les constructions enti&egrave;rement &eacute;tay&eacute;es, comme les toitures traditionnelles &agrave; joint debout, &agrave; tasseaux ou &agrave; losanges, sont surtout expos&eacute;es &agrave; des courants d&rsquo;air. 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