{"id":5436,"date":"2026-09-07T12:58:51","date_gmt":"2026-09-07T12:58:51","guid":{"rendered":"https:\/\/ultrasuonindt.it\/applications\/construction-et-infrastructures\/structures-en-acier-et-charpente-lourde\/"},"modified":"2026-09-18T08:26:46","modified_gmt":"2026-09-18T08:26:46","slug":"structures-en-acier-et-charpente-lourde","status":"publish","type":"page","link":"https:\/\/ultrasuonindt.it\/fr\/applications\/construction-et-infrastructures\/structures-en-acier-et-charpente-lourde\/","title":{"rendered":"Structures en acier et charpente lourde"},"content":{"rendered":"\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:36%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_CX_applicazione_misura_spessore_su_parti_di_carpenteria-web-1200x1200-1.webp?resize=1200%2C1200&#038;ssl=1\" alt=\"Mesure ultrasonore de l&#x2019;&#xE9;paisseur sur un &#xE9;l&#xE9;ment de charpente en acier\" class=\"wp-image-1014\" style=\"border-color:#000000;border-width:1px;border-radius:15px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_CX_applicazione_misura_spessore_su_parti_di_carpenteria-web-1200x1200-1.webp?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_CX_applicazione_misura_spessore_su_parti_di_carpenteria-web-1200x1200-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_CX_applicazione_misura_spessore_su_parti_di_carpenteria-web-1200x1200-1.webp?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_CX_applicazione_misura_spessore_su_parti_di_carpenteria-web-1200x1200-1.webp?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_CX_applicazione_misura_spessore_su_parti_di_carpenteria-web-1200x1200-1.webp?resize=768%2C768&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:4%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<div class=\"wp-block-group has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-top-right-radius:6px;border-bottom-right-radius:6px;border-left-color:#225f78;border-left-width:6px;background-color:#ebf1f4;padding-top:24px;padding-right:28px;padding-bottom:24px;padding-left:28px\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#225f78;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.408), 18px);font-style:italic;font-weight:400;line-height:1.6\">Sur une structure en acier, l\u2019inspection visuelle voit la peinture, pas le m\u00e9tal. Le contr\u00f4le ultrasonore quantifie l\u2019\u00e9paisseur r\u00e9siduelle des profil\u00e9s et v\u00e9rifie les soudures structurelles sans rien d\u00e9monter. <\/p>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\" style=\"list-style:none;padding-left:0px;line-height:1.6\">\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> \u00c9paisseur r\u00e9siduelle mesur\u00e9e sur le peint, sans retirer le rev\u00eatement<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> Contr\u00f4le des soudures avec palpeurs d\u2019angle shear wave<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> V\u00e9rification \u00e0 r\u00e9ception de l\u2019\u00e9paisseur des profil\u00e9s livr\u00e9s<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> Donn\u00e9e archiv\u00e9e et comparable d\u2019une inspection \u00e0 la suivante<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\">Une structure en acier expos\u00e9e aux intemp\u00e9ries perd de la section lentement, et presque toujours sous le rev\u00eatement de protection. Tant que la peinture est intacte, l\u2019inspection visuelle ne rel\u00e8ve rien ; quand la peinture c\u00e8de, l\u2019amincissement est en cours depuis longtemps. La mesure ultrasonore restitue le nombre dont le calcul structurel a besoin, pas une appr\u00e9ciation qualitative.  <\/p>\n\n<p class=\"wp-block-paragraph\">Le mode Echo-Echo permet d\u2019effectuer la lecture sans retirer la peinture : l\u2019instrument exclut la couche de rev\u00eatement et mesure le seul acier. Sur un hangar ou une structure \u00e9tendue, cela change les d\u00e9lais de l\u2019inspection, car il supprime le meulage du point et la remise en \u00e9tat de la protection. <\/p>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-cover is-light popmake-4066 popmake-739\" style=\"border-width:1px;min-height:250px;aspect-ratio:unset;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"250\" class=\"wp-block-cover__image-background wp-image-727 size-full\" alt=\"\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=1200%2C250&#038;ssl=1\" data-object-fit=\"cover\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=300%2C63&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=1024%2C213&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=768%2C160&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-30 has-background-dim\" style=\"background-color:#d3d6dc\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-15701bb7 wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-right has-ti-fg-color is-style-default has-luminous-vivid-amber-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"font-size:clamp(21.536px, 1.346rem + ((1vw - 3.2px) * 1.374), 35px);\"><strong>Besoin d&rsquo;aide pour choisir le produit adapt\u00e9 ?<\/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 popmake-4066 popmake-739\"><a class=\"wp-block-button__link has-ti-accent-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color wp-element-button\">Contactez-nous<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p class=\"wp-block-paragraph\">Le second contr\u00f4le porte sur les assemblages soud\u00e9s. Avec un d\u00e9tecteur de d\u00e9fauts et des palpeurs d\u2019angle, on explore le cordon \u00e0 la recherche de manques de fusion, d\u2019inclusions et de fissures, et l\u2019on \u00e9value l\u2019indication en la comparant \u00e0 une courbe DAC construite sur un bloc de r\u00e9f\u00e9rence. C\u2019est la seule fa\u00e7on de savoir ce qu\u2019il y a dans un cordon sans le d\u00e9couper.  <\/p>\n\n<h2 class=\"wp-block-heading\">Les deux contr\u00f4les et ce qu\u2019ils exigent<\/h2>\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Contr\u00f4le<\/th><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Instrumentation requise<\/th><\/tr><\/thead><tbody><tr><td>\u00c9paisseur r\u00e9siduelle de profil\u00e9s et de t\u00f4les<\/td><td>\u00c9paisseurm\u00e8tre avec mode Echo-Echo et data logger<\/td><\/tr><tr><td>Soudures d\u2019angle et bout \u00e0 bout<\/td><td>D\u00e9tecteur de d\u00e9fauts avec palpeurs d\u2019angle et sabots<\/td><\/tr><tr><td>R\u00e9ception du mat\u00e9riau \u00e0 l\u2019arriv\u00e9e<\/td><td>\u00c9paisseurm\u00e8tre de base, mesure rapide sur surface non rev\u00eatue<\/td><\/tr><tr><td>N\u0153uds et assemblages complexes<\/td><td>D\u00e9tecteur de d\u00e9fauts avec courbe DAC de r\u00e9f\u00e9rence<\/td><\/tr><tr><td>Comparaison entre campagnes successives<\/td><td>Data logger et logiciel de gestion des lectures<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Organiser l\u2019inspection sur des structures \u00e9tendues<\/h2>\n\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:36%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"680\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_PMX3-DL_applicazione_reale_di_misura_su_pezzo_meccanico-web-680x680-1.webp?resize=680%2C680&#038;ssl=1\" alt=\"Mesure ultrasonore sur le terrain sur un &#xE9;l&#xE9;ment m&#xE9;tallique\" class=\"wp-image-1045\" style=\"border-color:#000000;border-width:1px;border-radius:15px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_PMX3-DL_applicazione_reale_di_misura_su_pezzo_meccanico-web-680x680-1.webp?w=680&amp;ssl=1 680w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_PMX3-DL_applicazione_reale_di_misura_su_pezzo_meccanico-web-680x680-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-strumento_PMX3-DL_applicazione_reale_di_misura_su_pezzo_meccanico-web-680x680-1.webp?resize=150%2C150&amp;ssl=1 150w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:4%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"wp-block-paragraph\">Sur une structure de grandes dimensions, la difficult\u00e9 n\u2019est pas la lecture isol\u00e9e mais de tenir ensemble des centaines de lectures et leurs positions. Les grid files des mod\u00e8les \u00e0 data logger r\u00e9solvent le probl\u00e8me : la grille est d\u00e9finie au pr\u00e9alable, et l\u2019op\u00e9rateur la parcourt sans rien noter. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au retour, les lectures sont transf\u00e9r\u00e9es vers <a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/logiciels-et-applications\/dakmaster-gestion-des-donnees-et-rapports\/\">DakMaster\u2122<\/a> pour la comparaison avec les campagnes pr\u00e9c\u00e9dentes et pour le rapport technique. C\u2019est le document qui permet de programmer les interventions de renforcement ou de remise en \u00e9tat sur la base de chiffres, et non d\u2019impressions. <\/p>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Instruments recommand\u00e9s<\/h2>\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Instrument<\/th><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Utilisation typique<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/epaisseurmetres\/dakota-cx8-dl-mesureur-avec-enregistreur-de-donnees-et-b-scan\/\">Dakota CX8-DL<\/a><\/td><td>\u00c9paisseur sur structures peintes avec data logger et B-Scan<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/epaisseurmetres\/dakota-cx4-epaisseurmetre-avec-thrupaint\/\">Dakota CX4<\/a><\/td><td>Mesure \u00e0 travers le rev\u00eatement avec Echo-Echo ThruPaint\u2122<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/detecteurs-de-defauts\/dakota-fx70-dl-detecteur-de-defauts-ultrasonore-portable\/\">Dakota FX70-DL<\/a><\/td><td>Contr\u00f4le des soudures structurelles sur le terrain<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/fr\/produits\/sondes-et-accessoires\/blocs-detalonnage-pour-epaisseurmetres-a-ultrasons\/\">Blocs d\u2019\u00e9talonnage<\/a><\/td><td>\u00c9talonnage de l\u2019instrument et construction de la courbe de r\u00e9f\u00e9rence<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Questions fr\u00e9quentes<\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1757256001\"><strong class=\"schema-faq-question\">Faut-il retirer la peinture pour mesurer ?<\/strong><p class=\"schema-faq-answer\">Non, si l\u2019instrument dispose du mode Echo-Echo : dans ce cas, la couche de rev\u00eatement est exclue de la mesure et seule l\u2019\u00e9paisseur de l\u2019acier est restitu\u00e9e.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-1757256002\"><strong class=\"schema-faq-question\">Le m\u00eame instrument contr\u00f4le-t-il aussi les soudures ?<\/strong><p class=\"schema-faq-answer\">Ce sont deux fonctions distinctes. L\u2019\u00e9paisseurm\u00e8tre mesure l\u2019\u00e9paisseur r\u00e9siduelle ; pour explorer l\u2019int\u00e9rieur d\u2019un cordon de soudure, il faut un d\u00e9tecteur de d\u00e9fauts avec palpeurs d\u2019angle. <\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-1757256003\"><strong class=\"schema-faq-question\">Faut-il une qualification pour effectuer ces contr\u00f4les ?<\/strong><p class=\"schema-faq-answer\">La mesure d\u2019\u00e9paisseur est \u00e0 la port\u00e9e d\u2019un technicien form\u00e9 \u00e0 l\u2019instrument. Le contr\u00f4le des soudures exige en revanche un op\u00e9rateur qualifi\u00e9 selon les normes applicables, car il implique l\u2019interpr\u00e9tation des indications. <\/p><\/div><\/div>\n\n<p class=\"wp-block-paragraph\">Retour \u00e0 <a href=\"https:\/\/ultrasuonindt.it\/fr\/applications\/construction-et-infrastructures\/\">Construction et Infrastructures<\/a> ou \u00e9crivez-nous depuis la page <a href=\"https:\/\/ultrasuonindt.it\/fr\/contacts\/\">Contacts<\/a> : indiquez-nous le type de structure et l\u2019\u00e9tendue de l\u2019inspection pr\u00e9vue.<\/p>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Informations compl\u00e9mentaires et contacts <\/h5>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Partenaire division syst\u00e8mes et int\u00e9gration de capteurs : <a href=\"http:\/\/www.roder.it\">www.roder.it<\/a><br\/>Plus d&rsquo;informations sur RODER SRL : <a href=\"https:\/\/ultrasuonindt.it\/chi-siamo\/\">qui sommes-nous<\/a><br\/>Contact pour informations g\u00e9n\u00e9rales : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><br\/>Contact pour informations sur ces produits : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><br\/>Les informations contenues dans cette page web sont fournies \u00e0 titre purement informatif. Bien qu&rsquo;elles aient \u00e9t\u00e9 \u00e9labor\u00e9es avec le plus grand soin, elles ne constituent ni une offre contractuelle ni un engagement contraignant de fourniture. Elles peuvent contenir des erreurs de transcription, de traduction ou des coquilles. Pour des informations pr\u00e9cises et \u00e0 jour, nous vous invitons \u00e0 contacter directement notre soci\u00e9t\u00e9.    <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Certaines images pr\u00e9sentes sur ce site web ont \u00e9t\u00e9 intentionnellement g\u00e9n\u00e9r\u00e9es \u00e0 l&rsquo;aide de l&rsquo;Intelligence Artificielle (IA). Cela tient au fait que, pour de nombreuses applications et projets, il n&rsquo;est pas possible de divulguer des photographies de l&rsquo;installation ou du syst\u00e8me r\u00e9el en raison d&rsquo;accords de confidentialit\u00e9, de clauses de confidentialit\u00e9 et d&rsquo;accords de non-divulgation (NDA). <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sur une structure en acier, l\u2019inspection visuelle voit la peinture, pas le m\u00e9tal. Le contr\u00f4le ultrasonore quantifie l\u2019\u00e9paisseur r\u00e9siduelle des profil\u00e9s et v\u00e9rifie les soudures structurelles sans rien d\u00e9monter. Une structure en acier expos\u00e9e aux intemp\u00e9ries perd de la section lentement, et presque toujours sous le rev\u00eatement de protection. Tant que la peinture est intacte, [&hellip;]<\/p>\n","protected":false},"author":157040980,"featured_media":3278,"parent":3277,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"controle ultrasonore structures en acier","_yoast_wpseo_title":"Structures en acier et charpente lourde | Dakota NDT","_yoast_wpseo_metadesc":"Contr\u00f4le ultrasonore de structures en acier et de charpente lourde : \u00e9paisseur r\u00e9siduelle sur le peint et v\u00e9rification des soudures structurelles.","_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-5436","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - 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