{"id":22819,"date":"2026-05-13T15:42:56","date_gmt":"2026-05-13T13:42:56","guid":{"rendered":"https:\/\/roder.it\/controles\/tension-de-fils-courroies-cables-et-boulons\/tensiometres-pour-cables-metalliques-et-cordages\/"},"modified":"2026-09-28T07:54:46","modified_gmt":"2026-09-28T05:54:46","slug":"tensiometres-pour-cables-metalliques-et-cordages","status":"publish","type":"page","link":"https:\/\/roder.it\/fr\/controles\/tension-de-fils-courroies-cables-et-boulons\/tensiometres-pour-cables-metalliques-et-cordages\/","title":{"rendered":"Tensiom\u00e8tres pour c\u00e2bles m\u00e9talliques et cordages"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Les tensiom\u00e8tres pour c\u00e2bles m\u00e9talliques et c\u00e2bles porteurs sont des instruments d\u00e9di\u00e9s \u00e0 la mesure de la tension appliqu\u00e9e aux c\u00e2bles d&rsquo;acier, tirants, haubans, c\u00e2bles structuraux, suspensions et ancrages. Ils sont utilis\u00e9s sur les chantiers de g\u00e9nie civil et les infrastructures (v\u00e9rification des tirants de ponts, du contreventement de pyl\u00f4nes, des haubans de couvertures en structure tendue), dans la maintenance d&rsquo;installations industrielles (levage, grues, palans), dans les applications navales (haubans, drisses) et dans les constructions sp\u00e9ciales (installations \u00e0 c\u00e2bles, t\u00e9l\u00e9ph\u00e9riques). Le contr\u00f4le p\u00e9riodique de la tension est essentiel pour garantir la s\u00e9curit\u00e9 structurale et pour planifier les interventions de maintenance.  <\/p>\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-cover is-light popmake-11245\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px;min-height:250px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"213\" class=\"wp-block-cover__image-background wp-image-14896 size-large\" alt=\"banner aiuto nella scelta dello strumento oppure della tecnologia\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products-1024x213.png\" data-object-fit=\"cover\" srcset=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products-1024x213.png 1024w, https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products-300x63.png 300w, https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products-768x160.png 768w, https:\/\/roder.it\/wp-content\/uploads\/2026\/06\/banner_technical_support_choose_products.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#d3d6dc\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-a304f9a9 wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-right has-ti-fg-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"font-size:clamp(21.536px, 1.346rem + ((1vw - 3.2px) * 1.726), 35px);\"><strong>Souhaitez-vous \u00eatre aid\u00e9 dans le choix du produit ?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-b507c051 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/roder.it\/contatti-roder-mail-indirizzo-stabilimento-oglianico-automazione-misure-controlli-industriali\/\">Cliquez ici !<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h2 class=\"wp-block-heading\">Technologies de mesure<\/h2><p class=\"wp-block-paragraph\">Les m\u00e9thodes principales sont : par d\u00e9flexion (avec des instruments \u00e0 trois galets semblables aux tensiom\u00e8tres pour fils, mais de forte capacit\u00e9, jusqu&rsquo;\u00e0 plusieurs centaines de kN) ; par vibration (m\u00e9thode sonique, employ\u00e9e en particulier pour les haubans de ponts et les c\u00e2bles structuraux, o\u00f9 un acc\u00e9l\u00e9rom\u00e8tre mesure la fr\u00e9quence propre du c\u00e2ble, li\u00e9e \u00e0 la tension par des param\u00e8tres de masse et de longueur) ; par montage de capteurs de force entre le c\u00e2ble et l&rsquo;ancrage (pour des mesures permanentes de haute pr\u00e9cision sur les tirants structuraux) ; et par d\u00e9formation locale (avec des clip-on strain gauges appliqu\u00e9s au c\u00e2ble, pour des mesures de haute pr\u00e9cision en temps r\u00e9el).<\/p><h2 class=\"wp-block-heading\">Tensiom\u00e8tres \u00e0 d\u00e9flexion<\/h2><p class=\"wp-block-paragraph\">Les tensiom\u00e8tres \u00e0 d\u00e9flexion pour c\u00e2bles sont robustes et portables, avec des capteurs de force \u00e0 jauges de contrainte de forte capacit\u00e9 (jusqu&rsquo;\u00e0 100-200 kN), une classe d&rsquo;exactitude typique de 1 % de la pleine \u00e9chelle, un afficheur num\u00e9rique et une sortie de donn\u00e9es. La structure m\u00e9canique comporte deux galets lat\u00e9raux fixes et un galet mobile reli\u00e9 au capteur de force, dimensionn\u00e9s pour les c\u00e2bles m\u00e9talliques (galets en acier tremp\u00e9 de duret\u00e9 appropri\u00e9e). L&rsquo;application exige d&rsquo;amener le tensiom\u00e8tre au contact du c\u00e2ble pendant la dur\u00e9e de la mesure, qui est br\u00e8ve (quelques secondes). Pour les c\u00e2bles install\u00e9s \u00e0 demeure, l&rsquo;instrument se transporte facilement le long de l&rsquo;ouvrage pour des contr\u00f4les p\u00e9riodiques.   <\/p><h2 class=\"wp-block-heading\">M\u00e9thode de la vibration<\/h2><p class=\"wp-block-paragraph\">Pour les haubans de ponts et les c\u00e2bles structuraux de longueur importante (des dizaines ou des centaines de m\u00e8tres), la m\u00e9thode par vibration est particuli\u00e8rement efficace : un acc\u00e9l\u00e9rom\u00e8tre fix\u00e9 temporairement au c\u00e2ble enregistre sa r\u00e9ponse \u00e0 une excitation (une frappe manuelle, une secousse induite par le trafic ou par le vent) ; l&rsquo;analyse spectrale du signal identifie la fr\u00e9quence propre (ou les premi\u00e8res harmoniques), \u00e0 partir de laquelle on calcule la tension d\u00e8s lors que la masse lin\u00e9ique et la longueur efficace du c\u00e2ble sont connues. La m\u00e9thode est non destructive, n&rsquo;exige aucune intervention sur le c\u00e2ble structural et permet des v\u00e9rifications p\u00e9riodiques pendant toute la vie de l&rsquo;ouvrage. Le logiciel d\u00e9di\u00e9 g\u00e8re les corrections de rigidit\u00e9 en flexion du c\u00e2ble (importante pour les c\u00e2bles structuraux fortement tendus).  <\/p><h2 class=\"wp-block-heading\">Applications structurales<\/h2><p class=\"wp-block-paragraph\">Les applications comprennent : la surveillance des haubans de ponts \u00e0 haubans (ponts de grande port\u00e9e, du type structures \u00e0 pyl\u00f4nes et haubans) ; la v\u00e9rification de tirants post-tendus dans les ouvrages en b\u00e9ton pr\u00e9contraint ; le contr\u00f4le des suspensions de couvertures en structure tendue ; la v\u00e9rification des c\u00e2bles d&rsquo;antennes et de pyl\u00f4nes \u00e9lectriques et de t\u00e9l\u00e9communications ; la surveillance des c\u00e2bles de grues et de palans ; la v\u00e9rification d&rsquo;ancrages g\u00e9otechniques (clouage de parois rocheuses, ancrages de talus) ; et le contr\u00f4le des c\u00e2bles des remont\u00e9es m\u00e9caniques (t\u00e9l\u00e9cabines, t\u00e9l\u00e9si\u00e8ges, t\u00e9l\u00e9skis). La surveillance continue (avec capteurs de force permanents) est une pratique courante sur les ouvrages d&rsquo;ing\u00e9nierie critiques. <\/p><h2 class=\"wp-block-heading\">Normes et \u00e9talonnage<\/h2><p class=\"wp-block-paragraph\">Les proc\u00e9dures d&rsquo;essai de tension des c\u00e2bles sont rappel\u00e9es par des normes sectorielles : EN 1993-1-11 (Eurocode pour le calcul des structures \u00e0 c\u00e2bles tendus) ; EN 1996 (pour les c\u00e2bles m\u00e9talliques et leurs \u00e9l\u00e9ments) ; EN 12385 (terminologie et classification des c\u00e2bles). L&rsquo;\u00e9talonnage des tensiom\u00e8tres portables \u00e0 d\u00e9flexion se r\u00e9alise avec des capteurs de force ma\u00eetres \u00e9talonn\u00e9s selon l&rsquo;ISO 17025, dans des laboratoires accr\u00e9dit\u00e9s. Les syst\u00e8mes \u00e0 vibration utilisent des acc\u00e9l\u00e9rom\u00e8tres de classe \u00e9lev\u00e9e \u00e9talonn\u00e9s selon l&rsquo;ISO 5347.  <\/p><h2 class=\"wp-block-heading\">Crit\u00e8res de choix<\/h2><p class=\"wp-block-paragraph\">Le choix d\u00e9pend de l&rsquo;\u00e9tendue de tension requise (de quelques dizaines de N \u00e0 plusieurs centaines de kN), du diam\u00e8tre du c\u00e2ble (qui commande la g\u00e9om\u00e9trie des galets ou l&rsquo;int\u00e9r\u00eat de m\u00e9thodes sans contact), de l&rsquo;accessibilit\u00e9 du c\u00e2ble (pour les m\u00e9thodes par contact), du besoin d&rsquo;une surveillance continue ou de mesures p\u00e9riodiques, de la disponibilit\u00e9 de logiciels d\u00e9di\u00e9s \u00e0 l&rsquo;analyse spectrale (pour la m\u00e9thode par vibration) et des interfaces de donn\u00e9es pour l&rsquo;archivage et l&rsquo;analyse historique des contr\u00f4les.<\/p>","protected":false},"excerpt":{"rendered":"<p>Instruments d\u00e9di\u00e9s \u00e0 la mesure de la tension des c\u00e2bles d&rsquo;acier, tirants et c\u00e2bles structuraux.<\/p>\n","protected":false},"author":157040980,"featured_media":0,"parent":19413,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_wpcom_ai_launchpad_about_page":false,"_wpcom_ai_launchpad_gallery_page":false,"_wpcom_ai_launchpad_contact_page":false,"_wpcom_ai_launchpad_events_page":false,"_wpcom_ai_launchpad_video_page":false,"_wpcom_ai_launchpad_portfolio_piece":false,"footnotes":""},"class_list":["post-22819","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tensiom\u00e8tres pour c\u00e2bles m\u00e9talliques et cordages - RODER 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