{"id":1634,"date":"2024-10-31T11:44:42","date_gmt":"2024-10-31T10:44:42","guid":{"rendered":"https:\/\/www.belzona.nl\/be-fr\/?post_type=cases&#038;p=1634"},"modified":"2025-12-03T10:39:29","modified_gmt":"2025-12-03T09:39:29","slug":"joint-detancheite-chimiquement-resistant-entre-2-elements-en-beton","status":"publish","type":"cas","link":"https:\/\/www.belzona.be\/fr\/cas\/joint-detancheite-chimiquement-resistant-entre-2-elements-en-beton\/","title":{"rendered":"R\u00e9paration de joints r\u00e9sistants aux produits chimiques entre \u00e9l\u00e9ments en b\u00e9ton"},"content":{"rendered":"\n<p>Le probl\u00e8me est apparu comme suit\u00a0: le client a une deuxi\u00e8me zone de confinement dans laquelle se trouvent deux r\u00e9servoirs de stockage contenant de l&rsquo;HCL (acide chlorhydrique). Ces coffrages doivent \u00eatre rendus parfaitement \u00e9tanches pour l\u2019inspection externe. Les joints d&rsquo;\u00e9tanch\u00e9it\u00e9 \u00e9lastiques doivent offrir une r\u00e9sistance chimique \u00e9quivalente \u00e0 celle des produits stock\u00e9s. Dans le cas pr\u00e9sent, il s&rsquo;agissait donc d&rsquo;acide chlorhydrique \u00e0 une concentration de 20\u00a0%.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>L&rsquo;inspection des \u00e9l\u00e9ments en b\u00e9ton&nbsp;:<\/strong><\/h2>\n\n\n\n<p>Une inspection approfondie avait r\u00e9v\u00e9l\u00e9 que le joint n\u2019assurait plus une \u00e9tanch\u00e9it\u00e9 conforme aux exigences de s\u00e9curit\u00e9. Le client s&rsquo;est adress\u00e9 \u00e0 Perspect pour rem\u00e9dier au probl\u00e8me. Le risque r\u00e9sidait dans la contamination pouvant se propager dans les environs en cas de fuites caus\u00e9es par une \u00e9tanch\u00e9it\u00e9 insuffisante entre les \u00e9l\u00e9ments en b\u00e9ton. C&rsquo;est la raison pour laquelle ces coffrages ont \u00e9t\u00e9 refus\u00e9s. Apr\u00e8s examen des expositions chimiques, nous avons recommand\u00e9 le produit Belzona 2131. Cet \u00e9lastom\u00e8re bi-composant liquide pr\u00e9sente une haute r\u00e9sistance \u00e0 l\u2019abrasion et aux produits chimiques. Associ\u00e9 \u00e0 une adh\u00e9sion tr\u00e8s \u00e9lev\u00e9e et \u00e0 une grande flexibilit\u00e9, il assure une \u00e9tanch\u00e9it\u00e9 optimale contre les fluides.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"389\" height=\"519\" data-src=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2024\/10\/image-2.png\" alt=\"\" class=\"wp-image-1637 lazyload\" data-srcset=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2024\/10\/image-2.png 389w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2024\/10\/image-2-225x300.png 225w\" data-sizes=\"(max-width: 389px) 100vw, 389px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 389px; --smush-placeholder-aspect-ratio: 389\/519;\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>La mise en \u0153uvre de nos produits<\/strong><\/h2>\n\n\n\n<p>L\u2019ancien mastic d\u2019\u00e9tanch\u00e9it\u00e9 a \u00e9t\u00e9 retir\u00e9 et les restes ont \u00e9t\u00e9 \u00e9limin\u00e9s par grenaillage. Les r\u00e9sidus et les contaminations potentielles ont ainsi \u00e9t\u00e9 \u00e9limin\u00e9s. Il s&rsquo;agissait notamment de mousse verte. Apr\u00e8s ce traitement, le coffrage \u00e9tait pr\u00eat \u00e0 l&rsquo;application. Les images ci-dessous montrent le r\u00e9sultat du grenaillage et de la pose du fond de joint pour obtenir un rapport optimal profondeur\/largeur et r\u00e9duire la consommation de produit. La zone \u00e0 travailler a ensuite \u00e9t\u00e9 d\u00e9limit\u00e9e par du ruban adh\u00e9sif avant l&rsquo;application de l&rsquo;appr\u00eat. Pour une adh\u00e9sion optimale, le conditionneur \u00e0 s\u00e9chage rapide Belzona 2911 pour \u00e9lastom\u00e8res (appr\u00eat) devait \u00eatre appliqu\u00e9 avant Belzona 2131. L&rsquo;appr\u00eat peut d\u00e9j\u00e0 \u00eatre recouvert par Belzona 2131 apr\u00e8s 20 minutes.<\/p>\n\n\n\n<p>Belzona 2131 est un \u00e9lastom\u00e8re liquide qui s\u2019applique facilement dans les joints. A l&rsquo;aide de l&rsquo;applicateur Belzona, nous avons \u00e9tal\u00e9 et liss\u00e9 le produit. Avec le r\u00e9sultat suivant (voir photo ci-dessous).<\/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\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"164\" height=\"219\" data-src=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2024\/10\/image-3.png\" alt=\"\" class=\"wp-image-1638 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 164px; --smush-placeholder-aspect-ratio: 164\/219;\" \/><figcaption class=\"wp-element-caption\">Remplissage de fond<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"181\" height=\"242\" data-src=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2024\/10\/image-4.png\" alt=\"\" class=\"wp-image-1639 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 181px; --smush-placeholder-aspect-ratio: 181\/242;\" \/><figcaption class=\"wp-element-caption\">Application de l&rsquo;appr\u00eat<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"189\" height=\"252\" data-src=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2024\/10\/image-5.png\" alt=\"\" class=\"wp-image-1640 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 189px; --smush-placeholder-aspect-ratio: 189\/252;\" \/><figcaption class=\"wp-element-caption\">Recouvrement avec Belzona 2131<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><strong>Nos produits sont toujours test\u00e9s<\/strong><\/p>\n\n\n\n<p>Le client a choisi Belzona en raison du tableau de r\u00e9sistance chimique d\u00e9taill\u00e9, dans lequel l&rsquo;appr\u00eat a \u00e9t\u00e9 test\u00e9 pour sa r\u00e9sistance \u00e0 l&rsquo;acide chlorhydrique et s&rsquo;est av\u00e9r\u00e9 tr\u00e8s adapt\u00e9 \u00e0 cette application sp\u00e9cifique. Cette caract\u00e9ristique s&rsquo;ajoute aux excellentes performances g\u00e9n\u00e9rales du produit.<\/p>\n\n\n\n<p>Des \u00e9chantillons de plaques peuvent \u00e9galement \u00eatre demand\u00e9s \u00e0 Perspect. Nos produits ont d\u00e9montr\u00e9 leur performance sur de nombreuses applications industrielles, mais nous comprenons que vous souhaitiez souvent une garantie suppl\u00e9mentaire. C&rsquo;est pourquoi nous envoyons gratuitement des \u00e9chantillons de plaques afin que vous puissiez les tester vous-m\u00eame en fonction des sp\u00e9cifications associ\u00e9es \u00e0 nos produits. Contactez-nous pour en savoir plus.<\/p>\n\n\n<script>\nvar gform;gform||(document.addEventListener(\"gform_main_scripts_loaded\",function(){gform.scriptsLoaded=!0}),document.addEventListener(\"gform\/theme\/scripts_loaded\",function(){gform.themeScriptsLoaded=!0}),window.addEventListener(\"DOMContentLoaded\",function(){gform.domLoaded=!0}),gform={domLoaded:!1,scriptsLoaded:!1,themeScriptsLoaded:!1,isFormEditor:()=>\"function\"==typeof InitializeEditor,callIfLoaded:function(o){return!(!gform.domLoaded||!gform.scriptsLoaded||!gform.themeScriptsLoaded&&!gform.isFormEditor()||(gform.isFormEditor()&&console.warn(\"The use of gform.initializeOnLoaded() is deprecated in the form editor context and will be removed in Gravity Forms 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