{"id":3526,"date":"2018-06-14T14:11:43","date_gmt":"2018-06-14T14:11:43","guid":{"rendered":"https:\/\/www.zmc.it\/non-categorizzato\/pre-tensioning-and-measure\/"},"modified":"2018-12-16T07:55:53","modified_gmt":"2018-12-16T07:55:53","slug":"pre-tensioning-and-measure","status":"publish","type":"post","link":"https:\/\/www.zmc.it\/fr\/blog-fra\/pre-tensioning-and-measure\/","title":{"rendered":"Pr\u00e9-tension et mesure"},"content":{"rendered":"<p>Sur demande, ZMC fournit aux cha\u00eenes pr\u00e9-contraintes et mesur\u00e9es un outil de conception faisant appel \u00e0 la technologie laser et \u00e0 l&rsquo;application d&rsquo;une force de traction contr\u00f4l\u00e9e.<\/p>\n<p>La premi\u00e8re \u00e9tape, appel\u00e9e \u00ab\u00a0pr\u00e9-tension\u00a0\u00bb, fournit \u00e0 la cha\u00eene une tension \u00e9gale \u00e0 30% de la charge de rupture nominale. La pr\u00e9-tension permet le r\u00e9glage initial de la tension de la cha\u00eene pour le fonctionnement de la cha\u00eene.<\/p>\n<p>La mesure r\u00e9elle est ensuite effectu\u00e9e en r\u00e9duisant la tension \u00e0 2% de la charge de rupture conform\u00e9ment \u00e0 la norme ISO 1977.<\/p>\n<p>Pour chaque test, une \u00e9tiquette est imprim\u00e9e et attach\u00e9e \u00e0 la cha\u00eene. Les d\u00e9tails suivants sont report\u00e9s sur l&rsquo;\u00e9tiquette:<\/p>\n<ul>\n<li>la longueur mesur\u00e9e<\/li>\n<li>Le type de cha\u00eene et de test, qui peut \u00eatre reli\u00e9 \u00e0 la classe de tol\u00e9rance dans laquelle se trouve ce brin de cha\u00eene particulier. Il est divis\u00e9 en intervalles de 1 mm de largeur. L&rsquo;autre montrera la lettre A, et ainsi de suite. Appariement de cha\u00eenes de longueurs similaires.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Sur demande, ZMC fournit aux cha\u00eenes pr\u00e9-contraintes et mesur\u00e9es un outil de conception faisant appel \u00e0 la technologie laser et \u00e0 l&rsquo;application d&rsquo;une force de traction contr\u00f4l\u00e9e.<br \/>\nLa premi\u00e8re \u00e9tape, appel\u00e9e \u00ab\u00a0pr\u00e9-tension\u00a0\u00bb, fournit \u00e0 la cha\u00eene une tension \u00e9gale \u00e0 30% de la charge de rupture nominale&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":3527,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-3526","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-fra"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pr\u00e9-tension et mesure - ZMC Italia<\/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.zmc.it\/fr\/blog-fra\/pre-tensioning-and-measure\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pr\u00e9-tension et mesure - ZMC Italia\" \/>\n<meta property=\"og:description\" content=\"Sur demande, ZMC fournit aux cha\u00eenes pr\u00e9-contraintes et mesur\u00e9es un outil de conception faisant appel \u00e0 la technologie laser et \u00e0 l&#039;application d&#039;une force de traction contr\u00f4l\u00e9e. 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