{"id":109860,"date":"2025-06-30T15:46:56","date_gmt":"2025-06-30T13:46:56","guid":{"rendered":"https:\/\/geosurveys.it\/?page_id=109860"},"modified":"2026-02-27T10:22:03","modified_gmt":"2026-02-27T09:22:03","slug":"structures-metalliques-et-composites","status":"publish","type":"page","link":"https:\/\/geosurveys.it\/fr\/structures-metalliques-et-composites\/","title":{"rendered":"Structures m\u00e9talliques et composites"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row row_height_percent=\u00a0\u00bb60&Prime; back_color=\u00a0\u00bbcolor-172302&Prime; back_image=\u00a0\u00bb105186&Prime; kburns=\u00a0\u00bbyes\u00a0\u00bb overlay_alpha=\u00a0\u00bb40&Prime; gutter_size=\u00a0\u00bb4&Prime; column_width_percent=\u00a0\u00bb100&Prime; shift_y=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; content_parallax=\u00a0\u00bb0&Prime; uncode_shortcode_id=\u00a0\u00bb159769&Prime; back_color_type=\u00a0\u00bbuncode-palette\u00a0\u00bb][vc_column column_width_percent=\u00a0\u00bb100&Prime; position_horizontal=\u00a0\u00bbleft\u00a0\u00bb position_vertical=\u00a0\u00bbmiddle\u00a0\u00bb gutter_size=\u00a0\u00bb3&Prime; style=\u00a0\u00bbdark\u00a0\u00bb overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; width=\u00a0\u00bb1\/1&Prime; uncode_shortcode_id=\u00a0\u00bb704479&Prime;][vc_row_inner][vc_column_inner column_width_percent=\u00a0\u00bb100&Prime; gutter_size=\u00a0\u00bb3&Prime; style=\u00a0\u00bbdark\u00a0\u00bb overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; width=\u00a0\u00bb1\/1&Prime; uncode_shortcode_id=\u00a0\u00bb103021&Prime;][vc_custom_heading heading_semantic=\u00a0\u00bbp\u00a0\u00bb text_size=\u00a0\u00bb\u00a0\u00bb text_weight=\u00a0\u00bb700&Prime; text_transform=\u00a0\u00bbuppercase\u00a0\u00bb uncode_shortcode_id=\u00a0\u00bb461398&Prime;]Investigations structurales[\/vc_custom_heading][vc_custom_heading heading_semantic=\u00a0\u00bbh1&Prime; text_font=\u00a0\u00bbfont-377884&Prime; text_size=\u00a0\u00bbh1&Prime; text_weight=\u00a0\u00bb500&Prime; css_animation=\u00a0\u00bbcurtain-words\u00a0\u00bb uncode_shortcode_id=\u00a0\u00bb146068&Prime;]Structures m\u00e9talliques et composites[\/vc_custom_heading][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row row_height_percent=\u00a0\u00bb0&Prime; override_padding=\u00a0\u00bbyes\u00a0\u00bb h_padding=\u00a0\u00bb2&Prime; top_padding=\u00a0\u00bb2&Prime; bottom_padding=\u00a0\u00bb3&Prime; overlay_alpha=\u00a0\u00bb50&Prime; gutter_size=\u00a0\u00bb4&Prime; column_width_percent=\u00a0\u00bb100&Prime; shift_y=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; content_parallax=\u00a0\u00bb0&Prime; uncode_shortcode_id=\u00a0\u00bb179310&Prime;][vc_column column_width_percent=\u00a0\u00bb100&Prime; position_horizontal=\u00a0\u00bbleft\u00a0\u00bb position_vertical=\u00a0\u00bbmiddle\u00a0\u00bb gutter_size=\u00a0\u00bb3&Prime; overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; width=\u00a0\u00bb1\/1&Prime; uncode_shortcode_id=\u00a0\u00bb953999&Prime;][vc_row_inner][vc_column_inner column_width_percent=\u00a0\u00bb100&Prime; gutter_size=\u00a0\u00bb3&Prime; overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; css_animation=\u00a0\u00bbbottom-t-top\u00a0\u00bb animation_delay=\u00a0\u00bb300&Prime; toggle=\u00a0\u00bbyes\u00a0\u00bb max_height=\u00a0\u00bb450&Prime; max_height_mobile=\u00a0\u00bb60vh\u00a0\u00bb closed_txt=\u00a0\u00bbLire la suite\u00a0\u00bb btn_margin=\u00a0\u00bbsm\u00a0\u00bb open_txt=\u00a0\u00bbChiudi\u00a0\u00bb btn_margin_open=\u00a0\u00bbsm\u00a0\u00bb btn_align=\u00a0\u00bbleft\u00a0\u00bb width=\u00a0\u00bb1\/3&Prime; uncode_shortcode_id=\u00a0\u00bb191228&Prime;][vc_single_image media=\u00a0\u00bb108957&Prime; media_width_percent=\u00a0\u00bb100&Prime; uncode_shortcode_id=\u00a0\u00bb592949&Prime;][vc_custom_heading heading_semantic=\u00a0\u00bbh3&Prime; text_size=\u00a0\u00bb\u00a0\u00bb uncode_shortcode_id=\u00a0\u00bb157378&Prime;]Examen visuel des soudures[\/vc_custom_heading][vc_column_text uncode_shortcode_id=\u00a0\u00bb142220&Prime;]L\u2019examen visuel des soudures est le premier contr\u00f4le non destructif \u00e0 effectuer sur les assemblages soud\u00e9s et constitue une v\u00e9rification pr\u00e9liminaire importante de la qualit\u00e9 du joint soud\u00e9.<br \/>\nL\u2019inspection se r\u00e9alise \u00e0 l\u2019aide d\u2019instruments optiques, tels que des loupes ou des boroscopes, et permet de d\u00e9tecter des d\u00e9fauts superficiels tels que fissures, porosit\u00e9, manque de fusion, sous-d\u00e9pouilles ou irr\u00e9gularit\u00e9s g\u00e9om\u00e9triques.<br \/>\nCette m\u00e9thode permet d\u2019\u00e9valuer la conformit\u00e9 des soudures par rapport aux sp\u00e9cifications du projet et aux normes en vigueur.<br \/>\nNorme de r\u00e9f\u00e9rence : UNI EN ISO 17637.[\/vc_column_text][\/vc_column_inner][vc_column_inner column_width_percent=\u00a0\u00bb100&Prime; gutter_size=\u00a0\u00bb3&Prime; overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; css_animation=\u00a0\u00bbbottom-t-top\u00a0\u00bb animation_delay=\u00a0\u00bb600&Prime; toggle=\u00a0\u00bbyes\u00a0\u00bb max_height=\u00a0\u00bb450&Prime; max_height_mobile=\u00a0\u00bb60vh\u00a0\u00bb closed_txt=\u00a0\u00bbLire la suite\u00a0\u00bb btn_margin=\u00a0\u00bbsm\u00a0\u00bb open_txt=\u00a0\u00bbChiudi\u00a0\u00bb btn_align=\u00a0\u00bbleft\u00a0\u00bb width=\u00a0\u00bb1\/3&Prime; uncode_shortcode_id=\u00a0\u00bb136190&Prime;][vc_single_image media=\u00a0\u00bb108961&Prime; media_width_percent=\u00a0\u00bb100&Prime; uncode_shortcode_id=\u00a0\u00bb183642&Prime;][vc_custom_heading heading_semantic=\u00a0\u00bbh3&Prime; text_size=\u00a0\u00bb\u00a0\u00bb uncode_shortcode_id=\u00a0\u00bb129800&Prime;]Examen magn\u00e9toscopique des soudures[\/vc_custom_heading][vc_column_text uncode_shortcode_id=\u00a0\u00bb971413&Prime;]L\u2019examen magn\u00e9toscopique est une m\u00e9thode de contr\u00f4le non destructif applicable aux soudures sur mat\u00e9riaux ferromagn\u00e9tiques. Le principe repose sur l\u2019identification de discontinuit\u00e9s superficielles et sub-superficielles \u00e0 l\u2019aide de particules ferromagn\u00e9tiques appliqu\u00e9es sur un champ magn\u00e9tique induit.<br \/>\nLes discontinuit\u00e9s interf\u00e8rent avec le flux magn\u00e9tique et provoquent la formation d\u2019accumulations visibles de particules. Ce type d\u2019investigation est particuli\u00e8rement utile pour d\u00e9tecter les fissures, inclusions et d\u00e9fauts de soudure qui apparaissent \u00e0 la surface ou \u00e0 proximit\u00e9 de celle-ci.<br \/>\nNorme de r\u00e9f\u00e9rence : UNI EN ISO 17638.[\/vc_column_text][\/vc_column_inner][vc_column_inner column_width_percent=\u00a0\u00bb100&Prime; gutter_size=\u00a0\u00bb3&Prime; overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; css_animation=\u00a0\u00bbbottom-t-top\u00a0\u00bb animation_delay=\u00a0\u00bb800&Prime; toggle=\u00a0\u00bbyes\u00a0\u00bb max_height=\u00a0\u00bb450&Prime; max_height_mobile=\u00a0\u00bb60vh\u00a0\u00bb closed_txt=\u00a0\u00bbLire la suite\u00a0\u00bb btn_margin=\u00a0\u00bbsm\u00a0\u00bb open_txt=\u00a0\u00bbChiudi\u00a0\u00bb btn_align=\u00a0\u00bbleft\u00a0\u00bb width=\u00a0\u00bb1\/3&Prime; uncode_shortcode_id=\u00a0\u00bb138779&Prime;][vc_single_image media=\u00a0\u00bb108964&Prime; media_width_percent=\u00a0\u00bb100&Prime; uncode_shortcode_id=\u00a0\u00bb194574&Prime;][vc_custom_heading heading_semantic=\u00a0\u00bbh3&Prime; text_size=\u00a0\u00bb\u00a0\u00bb uncode_shortcode_id=\u00a0\u00bb178935&Prime;]Examen ultrasonore des soudures[\/vc_custom_heading][vc_column_text uncode_shortcode_id=\u00a0\u00bb198168&Prime;]L\u2019examen ultrasonore est une technique non destructive permettant de d\u00e9tecter des d\u00e9fauts internes dans les soudures, tels que fissures, porosit\u00e9, manque de fusion ou inclusions. La m\u00e9thode repose sur la propagation d\u2019ondes ultrasonores \u00e0 l\u2019int\u00e9rieur du mat\u00e9riau, lesquelles sont r\u00e9fl\u00e9chies au niveau des discontinuit\u00e9s. L\u2019analyse du signal r\u00e9fl\u00e9chi permet de localiser et d\u2019\u00e9valuer la taille et la nature du d\u00e9faut.<br \/>\nCet examen est r\u00e9alis\u00e9 \u00e0 l\u2019aide d\u2019une sonde appropri\u00e9e et d\u2019un \u00e9quipement portable.<br \/>\nNorme de r\u00e9f\u00e9rence : UNI EN ISO 17640.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner column_width_percent=\u00a0\u00bb100&Prime; gutter_size=\u00a0\u00bb3&Prime; overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; css_animation=\u00a0\u00bbbottom-t-top\u00a0\u00bb animation_delay=\u00a0\u00bb300&Prime; toggle=\u00a0\u00bbyes\u00a0\u00bb max_height=\u00a0\u00bb450&Prime; max_height_mobile=\u00a0\u00bb60vh\u00a0\u00bb closed_txt=\u00a0\u00bbLire la suite\u00a0\u00bb btn_margin=\u00a0\u00bbsm\u00a0\u00bb open_txt=\u00a0\u00bbChiudi\u00a0\u00bb btn_align=\u00a0\u00bbleft\u00a0\u00bb width=\u00a0\u00bb1\/3&Prime; uncode_shortcode_id=\u00a0\u00bb982857&Prime;][vc_single_image media=\u00a0\u00bb108967&Prime; media_width_percent=\u00a0\u00bb100&Prime; uncode_shortcode_id=\u00a0\u00bb629623&Prime;][vc_custom_heading heading_semantic=\u00a0\u00bbh3&Prime; text_size=\u00a0\u00bb\u00a0\u00bb uncode_shortcode_id=\u00a0\u00bb236572&Prime;]Examen d\u2019\u00e9paisseur[\/vc_custom_heading][vc_column_text uncode_shortcode_id=\u00a0\u00bb207355&Prime;]L\u2019examen d\u2019\u00e9paisseur est une technique non destructive utilis\u00e9e pour d\u00e9terminer l\u2019\u00e9paisseur des mat\u00e9riaux m\u00e9talliques ou des rev\u00eatements protecteurs (peintures, galvanisations, etc.), \u00e0 l\u2019aide d\u2019appareils \u00e0 ultrasons ou par induction magn\u00e9tique. Cette investigation permet d\u2019\u00e9valuer l\u2019int\u00e9grit\u00e9 et l\u2019\u00e9tat de conservation des \u00e9l\u00e9ments structurels ou composants soumis \u00e0 la d\u00e9gradation, \u00e0 la corrosion ou \u00e0 l\u2019usure, sans n\u00e9cessit\u00e9 de retirer du mat\u00e9riau.<br \/>\nNorme de r\u00e9f\u00e9rence : UNI EN 14127.[\/vc_column_text][\/vc_column_inner][vc_column_inner column_width_percent=\u00a0\u00bb100&Prime; gutter_size=\u00a0\u00bb3&Prime; overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; css_animation=\u00a0\u00bbbottom-t-top\u00a0\u00bb animation_delay=\u00a0\u00bb600&Prime; toggle=\u00a0\u00bbyes\u00a0\u00bb max_height=\u00a0\u00bb450&Prime; max_height_mobile=\u00a0\u00bb60vh\u00a0\u00bb closed_txt=\u00a0\u00bbLire la suite\u00a0\u00bb btn_margin=\u00a0\u00bbsm\u00a0\u00bb open_txt=\u00a0\u00bbChiudi\u00a0\u00bb btn_align=\u00a0\u00bbleft\u00a0\u00bb width=\u00a0\u00bb1\/3&Prime; uncode_shortcode_id=\u00a0\u00bb184131&Prime;][vc_single_image media=\u00a0\u00bb108970&Prime; media_width_percent=\u00a0\u00bb100&Prime; uncode_shortcode_id=\u00a0\u00bb907017&Prime;][vc_custom_heading heading_semantic=\u00a0\u00bbh3&Prime; text_size=\u00a0\u00bb\u00a0\u00bb uncode_shortcode_id=\u00a0\u00bb837509&Prime;]Essais r\u00e9sistographiques sur bois[\/vc_custom_heading][vc_column_text uncode_shortcode_id=\u00a0\u00bb845002&Prime;]Les essais r\u00e9sistographiques sont une technique semi-destructive utilis\u00e9e pour \u00e9valuer l\u2019\u00e9tat de conservation du bois structurel, en particulier dans les b\u00e2timents historiques ou expos\u00e9s \u00e0 la d\u00e9gradation biologique. La m\u00e9thode consiste \u00e0 enfoncer une pointe rotative dans le bois, en enregistrant la r\u00e9sistance rencontr\u00e9e le long de la profondeur. Le profil obtenu (r\u00e9sistogramme) permet d\u2019identifier d\u2019\u00e9ventuelles zones de discontinuit\u00e9, cavit\u00e9s internes, d\u00e9gradations ou perte de densit\u00e9.<br \/>\nL\u2019investigation est localis\u00e9e et faiblement invasive.<br \/>\nR\u00e9f\u00e9rences : RILEM, CNR DT 201\/2005.[\/vc_column_text][\/vc_column_inner][vc_column_inner column_width_percent=\u00a0\u00bb100&Prime; gutter_size=\u00a0\u00bb3&Prime; overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; shift_y=\u00a0\u00bb0&Prime; shift_y_down=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; medium_width=\u00a0\u00bb0&Prime; mobile_width=\u00a0\u00bb0&Prime; css_animation=\u00a0\u00bbbottom-t-top\u00a0\u00bb animation_delay=\u00a0\u00bb800&Prime; width=\u00a0\u00bb1\/3&Prime; uncode_shortcode_id=\u00a0\u00bb780035&Prime;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/1&Prime;][uncode_block id=\u00a0\u00bb108230&Prime;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row row_height_percent=\u00a0\u00bb60&Prime; back_color=\u00a0\u00bbcolor-172302&Prime; back_image=\u00a0\u00bb105186&Prime; kburns=\u00a0\u00bbyes\u00a0\u00bb overlay_alpha=\u00a0\u00bb40&Prime; gutter_size=\u00a0\u00bb4&Prime; column_width_percent=\u00a0\u00bb100&Prime; shift_y=\u00a0\u00bb0&Prime; z_index=\u00a0\u00bb0&Prime; content_parallax=\u00a0\u00bb0&Prime; uncode_shortcode_id=\u00a0\u00bb159769&Prime; back_color_type=\u00a0\u00bbuncode-palette\u00a0\u00bb][vc_column column_width_percent=\u00a0\u00bb100&Prime; position_horizontal=\u00a0\u00bbleft\u00a0\u00bb position_vertical=\u00a0\u00bbmiddle\u00a0\u00bb gutter_size=\u00a0\u00bb3&Prime; style=\u00a0\u00bbdark\u00a0\u00bb overlay_alpha=\u00a0\u00bb50&Prime; shift_x=\u00a0\u00bb0&Prime; [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":108969,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-109860","page","type-page","status-publish","has-post-thumbnail","hentry","page_category-indagini-strutturali-fr"],"_links":{"self":[{"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/pages\/109860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/comments?post=109860"}],"version-history":[{"count":6,"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/pages\/109860\/revisions"}],"predecessor-version":[{"id":110000,"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/pages\/109860\/revisions\/110000"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/media\/108969"}],"wp:attachment":[{"href":"https:\/\/geosurveys.it\/fr\/wp-json\/wp\/v2\/media?parent=109860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}