{"id":6149,"date":"2025-12-15T12:17:00","date_gmt":"2025-12-15T11:17:00","guid":{"rendered":"https:\/\/a-corros.fr\/?post_type=projet&#038;p=6149"},"modified":"2026-07-15T12:39:45","modified_gmt":"2026-07-15T10:39:45","slug":"grand-marche-de-st-denis","status":"publish","type":"projet","link":"https:\/\/a-corros.fr\/es\/projet\/grand-marche-de-st-denis\/","title":{"rendered":"Grand march\u00e9 de St Denis"},"content":{"rendered":"\n<p>A-CORROS a \u00e9t\u00e9 missionn\u00e9 par l\u2019agence <a href=\"https:\/\/www.gatier.fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">P-A.GATIER<\/a>, Architecte en chef des monuments historiques et la Commune de Saint Denis de la R\u00e9union, pour la r\u00e9alisation d\u2019essais et de sondages sur les \u00e9l\u00e9ments m\u00e9talliques de la <a href=\"https:\/\/e-monumen.net\/patrimoine-monumental\/grand-marche-saint-denis-de-la-reunion\/\" target=\"_blank\" rel=\"noreferrer noopener\">Grande Halle du march\u00e9 de Saint Denis<\/a>.<\/p>\n\n\n\n<p>Notre mission a consist\u00e9 en une s\u00e9rie de diagnostics et analyses : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Diagnostic compl\u00e9mentaire des \u00e9l\u00e9ments m\u00e9talliques<\/strong>, comprenant un rep\u00e9rage exhaustif des fissures et fractures,<\/li>\n\n\n\n<li><strong>Essais de convenance relatifs aux r\u00e9parations des \u00e9l\u00e9ments fractur\u00e9s<\/strong> (fontes, fers puddl\u00e9s, etc.) ainsi qu\u2019aux assemblages entre \u00e9l\u00e9ments (soudures, boulonnage).<\/li>\n\n\n\n<li><strong>T\u00e9l\u00e9 inspection de l\u2019int\u00e9rieur de vingt colonnes en fonte<\/strong>, destin\u00e9e \u00e0 diagnostiquer leur \u00e9tat de corrosion interne.<\/li>\n\n\n\n<li><strong>Mesures d\u2019\u00e9paisseur sur cinq colonnes<\/strong>, r\u00e9alis\u00e9es \u00e0 1,50 m et 2,50 m de hauteur.<\/li>\n\n\n\n<li><strong>Essais de d\u00e9capage et de remise en peinture des \u00e9l\u00e9ments<\/strong>, incluant l\u2019\u00e9valuation comparative de trois techniques de d\u00e9capage (gel chimique, grenaillage, brossage m\u00e9canique suivi d\u2019un avivage). Trois essais de d\u00e9capage ont \u00e9t\u00e9 r\u00e9alis\u00e9s sur les embases de poteaux, suivis de tests d\u2019arrachement destin\u00e9s \u00e0 \u00e9valuer la performance des diff\u00e9rentes m\u00e9thodes.<\/li>\n\n\n\n<li><strong>R\u00e9alisation de stratigraphies de peinture<\/strong>.<\/li>\n\n\n\n<li><strong>R\u00e9daction d\u2019un rapport de synth\u00e8se et de pr\u00e9sentation des r\u00e9sultats.<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/a-corros.fr\/wp-content\/uploads\/2026\/07\/IMG_0757-768x1024.jpg\" alt=\"\" class=\"wp-image-6150\" style=\"width:354px;height:auto\" srcset=\"https:\/\/a-corros.fr\/wp-content\/uploads\/2026\/07\/IMG_0757-768x1024.jpg 768w, https:\/\/a-corros.fr\/wp-content\/uploads\/2026\/07\/IMG_0757-225x300.jpg 225w, https:\/\/a-corros.fr\/wp-content\/uploads\/2026\/07\/IMG_0757-1152x1536.jpg 1152w, https:\/\/a-corros.fr\/wp-content\/uploads\/2026\/07\/IMG_0757-1536x2048.jpg 1536w, https:\/\/a-corros.fr\/wp-content\/uploads\/2026\/07\/IMG_0757-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\">Analyse stratigraphique sur une colonne en fonte<\/figcaption><\/figure><\/div>\n\n\n<p>Cette \u00e9tude a \u00e9t\u00e9 r\u00e9alis\u00e9e sur site en novembre 2025 par Philippe de Vivi\u00e9s, repr\u00e9sentant de l\u2019entreprise A-CORROS, accompagn\u00e9 des entreprises Ateliers d&#8217;Ici et d&#8217;Ailleurs (AIA) et EXOPEINT Oc\u00e9an Indien.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"author":2,"featured_media":6153,"template":"","pole":[8],"class_list":["post-6149","projet","type-projet","status-publish","has-post-thumbnail","hentry","pole-monuments-historiques"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Grand march\u00e9 de St Denis - A-Corros : diagnostic et expertise en corrosion et conservation des patrimoines<\/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:\/\/a-corros.fr\/projet\/grand-marche-de-st-denis\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Grand march\u00e9 de St Denis - A-Corros : diagnostic et expertise en corrosion et conservation des patrimoines\" \/>\n<meta property=\"og:description\" content=\"A-CORROS a \u00e9t\u00e9 missionn\u00e9 par l\u2019agence P-A.GATIER, Architecte en chef des monuments historiques et la Commune de Saint Denis de la R\u00e9union, pour la r\u00e9alisation d\u2019essais et de sondages sur les \u00e9l\u00e9ments m\u00e9talliques de la Grande Halle du march\u00e9 de Saint Denis. 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