{"id":1757,"date":"2025-03-25T11:05:53","date_gmt":"2025-03-25T10:05:53","guid":{"rendered":"https:\/\/www.belzona.nl\/be-fr\/?post_type=cas&#038;p=1757"},"modified":"2025-12-03T18:22:13","modified_gmt":"2025-12-03T17:22:13","slug":"renovation-durable-dun-barrage-reparation-de-problemes-dusure-et-de-corrosion-avec-belzona","status":"publish","type":"cas","link":"https:\/\/www.belzona.be\/fr\/cas\/renovation-durable-dun-barrage-reparation-de-problemes-dusure-et-de-corrosion-avec-belzona\/","title":{"rendered":"R\u00e9novation de barrage : solutions durables contre l\u2019usure et la corrosion"},"content":{"rendered":"\n<p>Chaque jour, les barrages sont expos\u00e9s \u00e0 de forts courants, \u00e0 des s\u00e9diments en suspension et \u00e0 d\u2019importantes contraintes m\u00e9caniques. Le r\u00e9sultat\u00a0? Une <strong>usure progressive par abrasion, de l\u2019\u00e9rosion et de la corrosion<\/strong>, notamment au niveau des plaques de guidage et autres composants critiques.<\/p>\n\n\n\n\n<div id=\"content\">\n    <div class=\"modal fade\" id=\"infoModal\" tabindex=\"-1\" aria-labelledby=\"infoModalLabel\" aria-hidden=\"true\">\n        <div class=\"modal-dialog\">\n            <div class=\"modal-content\">\n                <div class=\"modal-header\">\n                    <h1 class=\"modal-title fs-5\" id=\"infoModalLabel\"><\/h1>\n                    <button type=\"button\" class=\"close\" data-bs-dismiss=\"modal\" aria-label=\"Close\">&times;<\/button>\n                <\/div>\n                <div class=\"modal-body\">\n                                        <script>\nvar 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renforcer de mani\u00e8re pr\u00e9ventive la protection de votre barrage contre l\u2019usure ?\u00a0Demandez une consultation <strong>sans engagement<\/strong> \u00e0 <strong>Toon Vervoort<\/strong> et recevez un avis technique personnalis\u00e9\u00a0!<\/h2>\n        <div class=\"buttons\">\n                            <a href=\"\" target=\"_blank\" class=\"btn wp-block-button__link\" data-bs-target=\"#infoModal\" data-bs-toggle=\"modal\">\n                    Formulaire de contact                <\/a>\n                                        <a href=\"tel:+32489849090\" target=\"_blank\" class=\"btn btn-orange wp-block-button__link\">\n                    t\u00e9l\u00e9phoner directement                <\/a>\n                    <\/div>\n    <\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les probl\u00e8mes suivants sont fr\u00e9quents&nbsp;:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Usure m\u00e9canique li\u00e9e \u00e0 l\u2019\u00e9coulement continu de l\u2019eau et \u00e0 l\u2019impact abrasif des s\u00e9diments\u00a0;<\/li>\n\n\n\n<li>Corrosion par piq\u00fbres et \u00e9rosion, causant une fragilisation de la structure&nbsp;;<\/li>\n\n\n\n<li>Baisse d&rsquo;efficacit\u00e9 des couches de protection galvaniques existantes&nbsp;;<\/li>\n\n\n\n<li>Augmentation des co\u00fbts de maintenance et risque de d\u00e9faillance de la construction.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Usure et corrosion : une menace s\u00e9rieuse pour l\u2019int\u00e9grit\u00e9 d\u2019un barrage<\/h2>\n\n\n\n<p>Une r\u00e9cente inspection du <strong>Barrage 1 \u00e0 Gavere-Asper<\/strong> a r\u00e9v\u00e9l\u00e9 le stade avanc\u00e9 de ces probl\u00e8mes. Sans intervention, l&rsquo;\u00e9rosion menacerait la s\u00e9curit\u00e9 structurelle et engendrerait des co\u00fbts de remplacement \u00e9lev\u00e9s.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p>L\u2019usure et la corrosion d\u2019un barrage peuvent avoir des cons\u00e9quences majeures. Toute inaction \u00e0 ce stade entra\u00eenerait de s\u00e9rieux probl\u00e8mes techniques, financiers et \u00e9cologiques\u00a0:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9faillance structurelle et risque \u00e9lev\u00e9 de dommages&nbsp;:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fragilisation des plaques de guidage&nbsp;:<\/strong>&nbsp;L&rsquo;abrasion et la corrosion continues affaiblissent la r\u00e9sistance fonctionnelle des plaques. Elles risquent de <strong>se briser ou se d\u00e9former<\/strong>, compromettant la r\u00e9gulation des eaux.<\/li>\n\n\n\n<li><strong>D\u00e9gradation fonctionnelle du barrage\u00a0:<\/strong>\u00a0Une fois endommag\u00e9s, les composants ne peuvent plus r\u00e9guler correctement l&rsquo;\u00e9coulement des eaux. La cons\u00e9quence\u00a0? Des <strong>courants non contr\u00f4l\u00e9s<\/strong>, mettant en p\u00e9ril les zones en aval par des risques d\u2019inondation ou d\u2019ass\u00e8chement.<\/li>\n\n\n\n<li><strong>Augmentation de la charge d&rsquo;impact&nbsp;:<\/strong>&nbsp;Une usure accrue peut pr\u00e9cipiter la d\u00e9gradation d&rsquo;autres composants, comme les joints d&rsquo;\u00e9tanch\u00e9it\u00e9 et les pi\u00e8ces m\u00e9caniques. Ce ph\u00e9nom\u00e8ne amplifie le risque d\u2019un effet domino au sein de l\u2019installation.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Frais \u00e9lev\u00e9s de r\u00e9paration et de remplacement<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Remplacement int\u00e9gral des plaques de guidage&nbsp;:<\/strong>&nbsp;Le remplacement de composants structurels entiers peut s&rsquo;av\u00e9rer n\u00e9cessaire, au lieu d&rsquo;une r\u00e9paration cibl\u00e9e. Les <strong>frais seront bien plus \u00e9lev\u00e9s<\/strong> et les temps d&rsquo;arr\u00eat prolong\u00e9s.<\/li>\n\n\n\n<li><strong>D\u00e9montage et r\u00e9installation complexes&nbsp;:<\/strong>&nbsp;Des dommages importants n\u00e9cessitent souvent l\u2019intervention <strong>de grues et d\u2019\u00e9quipes de montage sp\u00e9cialis\u00e9es<\/strong>, augmentant ainsi consid\u00e9rablement les co\u00fbts.<\/li>\n\n\n\n<li><strong>Interventions d&rsquo;urgence impr\u00e9vues&nbsp;:<\/strong>&nbsp;Le report des r\u00e9parations peut conduire \u00e0 des <strong>interventions d&rsquo;urgence<\/strong>, bien plus co\u00fbteuses que l&rsquo;entretien pr\u00e9ventif planifi\u00e9.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Immobilisation et interruptions op\u00e9rationnelles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fermeture prolong\u00e9e du barrage&nbsp;:<\/strong>&nbsp;Des dommages trop importants peuvent n\u00e9cessiter une <strong>immobilisation totale<\/strong> de l&rsquo;installation, avec toutes les r\u00e9percussions que cela suppose pour la gestion des eaux et des infrastructures environnantes.<\/li>\n\n\n\n<li><strong>Perturbation de la navigation et de la gestion des eaux&nbsp;:<\/strong>&nbsp;Le barrage contribue \u00e0 r\u00e9guler \u00e0 la fois le niveau et le d\u00e9bit de l&rsquo;eau. Une d\u00e9faillance peut avoir les cons\u00e9quences suivantes<\/li>\n\n\n\n<li><strong>Un niveau d&rsquo;eau incorrect<\/strong> entravant la navigation dans la r\u00e9gion.<\/li>\n\n\n\n<li><strong>Perturbation du planning de maintenance&nbsp;:<\/strong>&nbsp;Une panne impr\u00e9vue perturbe la maintenance r\u00e9guli\u00e8re et <strong>les probl\u00e8mes s&rsquo;accumulent<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>La solution&nbsp;? Belzona 1311 &amp; 1321 pour une r\u00e9paration structurelle et une protection durable<\/p>\n\n\n\n<p>Pour prolonger significativement la dur\u00e9e de vie des plaques de guidage, le choix s&rsquo;est port\u00e9 sur une m\u00e9thode de r\u00e9paration \u00e9prouv\u00e9e \u00e0 base de <strong>produits renforc\u00e9s en c\u00e9ramique Belzona<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Belzona 1311 (Ceramic R-Metal)&nbsp;:<\/strong>&nbsp;P\u00e2te renforc\u00e9e de m\u00e9tal comblant la corrosion par piq\u00fbres et r\u00e9parant es dommages structurels.<\/li>\n\n\n\n<li><strong>Belzona 1321 (Ceramic S-Metal)&nbsp;:<\/strong>&nbsp;Un rev\u00eatement ultra-r\u00e9sistant offrant une protection contre l&rsquo;\u00e9rosion et les contraintes abrasives.<\/li>\n<\/ul>\n\n\n\n<p>L\u2019application a \u00e9t\u00e9 r\u00e9alis\u00e9e en deux couches de couleurs diff\u00e9rentes afin de faciliter le contr\u00f4le visuel et de garantir une couverture uniforme.<\/p>\n\n\n\n<p>Les diff\u00e9rentes \u00e9tapes de l&rsquo;op\u00e9ration&nbsp;:<\/p>\n\n\n\n<p><strong>\u00c9tape 1&nbsp;: pr\u00e9paration de la surface&nbsp;:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Grenaillage (ISO 8501-1 Sa 2 \u00bd)&nbsp;:<\/strong>&nbsp;La rouille et autres contaminants sont enti\u00e8rement \u00e9limin\u00e9s.<\/li>\n\n\n\n<li><strong>D\u00e9graissage avec ac\u00e9tone ou Belzona 9111&nbsp;:<\/strong>&nbsp;Adh\u00e9rence optimale garantie.<\/li>\n\n\n\n<li><strong>D\u00e9contamination des sels solubles (ISO 8502-6\/9)&nbsp;:<\/strong>&nbsp;\u00c9limination des sels r\u00e9siduels pour une r\u00e9sistance maximale \u00e0 la corrosion.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u00c9tape 2&nbsp;: Application<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les zones de corrosion par piq\u00fbres et d\u2019usure ont \u00e9t\u00e9 reconstruites avec <strong>Belzona 1311<\/strong>..<\/li>\n\n\n\n<li>Application de la premi\u00e8re couche de protection&nbsp;:&nbsp;<strong>Belzona 1321 (bleu)<\/strong>.<\/li>\n\n\n\n<li>Deuxi\u00e8me couche pour une couverture optimale&nbsp;:&nbsp;<strong>Belzona 1321 (gris)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u00c9tape 3&nbsp;: contr\u00f4le qualit\u00e9 et r\u00e9sultats de test&nbsp;:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Test<\/strong><\/td><td><strong>Norme<\/strong><\/td><td><strong>R\u00e9sultat<\/strong><\/td><td><strong>Interpr\u00e9tation<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Test d&rsquo;adh\u00e9rence<\/strong><\/td><td>ISO 4624<\/td><td><strong>5&nbsp;MPa<\/strong>&nbsp;(min.)<\/td><td>Adh\u00e9rence extr\u00eamement forte, m\u00eame dans des conditions humides.<\/td><\/tr><tr><td><strong>\u00c9paisseur de couche s\u00e8che<\/strong><\/td><td>ISO 19840<\/td><td><strong>1386,76&nbsp;\u00b5m<\/strong>&nbsp;(moy.)<\/td><td>Au-dessus des 1300&nbsp;\u00b5m requis pour une protection maximale.<\/td><\/tr><tr><td><strong>Test de r\u00e9sistance<\/strong><\/td><td>Shore D 84<\/td><td><strong>Shore D&nbsp;: 84<\/strong><\/td><td>Confirme l&rsquo;exceptionnelle r\u00e9sistance \u00e0 l&rsquo;usure du rev\u00eatement.<\/td><\/tr><tr><td><strong>Corrosion<\/strong><\/td><td>ISO 4628-3<\/td><td><strong>Ri0 (S0)<\/strong><\/td><td>Aucune formation de rouille visible.<\/td><\/tr><tr><td><strong>Cloquage<\/strong><\/td><td>ISO 4628-2<\/td><td><strong>0 (S0)<\/strong><\/td><td>Surface parfaitement intacte, sans cloquage.<\/td><\/tr><tr><td><strong>Degr\u00e9 de pr\u00e9paration de surface<\/strong><\/td><td>ISO 8501-1<\/td><td><strong>Sa 2 \u00bd<\/strong><\/td><td>Propret\u00e9 de surface optimale atteinte.<\/td><\/tr><tr><td><strong>Profil de surface<\/strong><\/td><td>ISO 8503-1<\/td><td><strong>96,3 \u00b5m (moy.)<\/strong><\/td><td>Base d&rsquo;adh\u00e9rence uniforme pour Belzona 1321.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Chaque \u00e9tape du processus a \u00e9t\u00e9 rigoureusement contr\u00f4l\u00e9e et consign\u00e9e selon les <strong>normes internationales<\/strong>. Les r\u00e9sultats confirment le succ\u00e8s de la r\u00e9paration, dont les performances surpassent les solutions conventionnelles.<\/p>\n\n\n\n<p><strong>Le r\u00e9sultat\u00a0?<\/strong> Une plaque de guidage int\u00e9gralement r\u00e9par\u00e9e et durablement prot\u00e9g\u00e9e, offrant une r\u00e9sistance durable aux conditions d\u2019exploitation s\u00e9v\u00e8res, sans n\u00e9cessiter d\u2019interventions structurelles lourdes.<\/p>\n\n\n\n<p>Contacter Toon Vervoort&nbsp;?<\/p>\n\n\n\n<p><strong>Toon Vervoort est le sp\u00e9cialiste Belzona par excellence de Perspect en Belgique.<\/strong>\u00a0Fort de ses ann\u00e9es d&rsquo;exp\u00e9rience et de son expertise technique, il a supervis\u00e9 de nombreux projets et contribu\u00e9 \u00e0 combattre durablement l&rsquo;usure et la corrosion. Son expertise permet de d\u00e9finir des solutions fiables, adapt\u00e9es aux contraintes sp\u00e9cifiques de chaque installation.<\/p>\n\n\n\n<p>Votre infrastructure est-elle confront\u00e9e \u00e0 des ph\u00e9nom\u00e8nes d&rsquo;abrasion, de corrosion ou d&rsquo;usure&nbsp;?&nbsp;<strong>Toon vous accompagnera dans une r\u00e9flexion commune afin de trouver une solution efficace et rentable.<\/strong><\/p>\n\n\n\n    <div class=\"container\">\n\n    <div class=\"afspraak-maken\">\n        <div class=\"row\">\n            <div class=\"col-xl-5 col-lg-6\">\n                <div class=\"cta-image d-none d-lg-block\">\n                    <img decoding=\"async\" data-src=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2024\/12\/cta-desktop-be.webp\" alt=\"Man CTA\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 1734px; 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