{"id":1166,"date":"2024-08-13T10:55:30","date_gmt":"2024-08-13T08:55:30","guid":{"rendered":"https:\/\/renier.be\/?page_id=1166"},"modified":"2024-08-20T17:13:43","modified_gmt":"2024-08-20T15:13:43","slug":"vinalmont","status":"publish","type":"page","link":"https:\/\/renier.be\/fr\/vinalmont\/","title":{"rendered":"Sp\u00e9cifications techniques Mat\u00e9riau Vinalmont"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1166\" class=\"elementor elementor-1166\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3953b89 e-flex e-con-boxed e-con e-parent\" data-id=\"3953b89\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c8b41bd e-con-full e-flex e-con e-child\" data-id=\"c8b41bd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9335321 e-con-full e-flex e-con e-child\" data-id=\"9335321\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;position&quot;:&quot;absolute&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ae07ebe elementor-widget elementor-widget-heading\" data-id=\"ae07ebe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Calcaire de Maas du Vinalmont<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2543bb elementor-widget elementor-widget-text-editor\" data-id=\"e2543bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>\u00a0<\/h2><h2>1 G\u00e9ographie \/ G\u00e9ologie<\/h2><p><strong>\u00a0<\/strong>La S.A. Calcaire de Vinalmont exploite une pierre bleue appel\u00e9e \"MASKALKSTEEN - STEEN VAN VINALMONT\" \u00e0 Vinalmont. La carri\u00e8re est situ\u00e9e \u00e0 Vinalmont, dans la vall\u00e9e du Fonds du Roua, \u00e0 l'ouest du centre de Vinalmont, dans le flanc nord du Synclinorium de Namur. Coordonn\u00e9es Lambert : N 50\u00b0 34' 6'' E 5\u00b0 12' 10''.<\/p><p>Le mat\u00e9riau est utilis\u00e9 comme pierre de construction et pierre de taille. Dans la carri\u00e8re, on extrait un calcaire compact, \u00e0 grain fin et non poreux, dont la couleur varie du gris p\u00e2le au gris-beige lorsqu'il est taill\u00e9 au gris fonc\u00e9 lorsqu'il est fra\u00eechement fractur\u00e9. La pierre acquiert une patine gris clair typique de ce mat\u00e9riau. Les couches exploit\u00e9es sont situ\u00e9es sur le versant nord du bassin de Namur, \u00e0 l'est de la Mehaigne, et forment la Formation de Neffe d'\u00e2ge Moliniacien sup\u00e9rieur, s\u00e9rie Visean (V2a) - Mississippien, Carbonif\u00e8re inf\u00e9rieur.<\/p><p>La roche massive est recoup\u00e9e, presque perpendiculairement \u00e0 la stratification, par trois s\u00e9ries de diaclases. L'exploitation se fait \u00e0 ciel ouvert ; les bancs ont une extension d'environ N72\u00b0-81\u00b0E et une pente de 5\u00b0-10\u00b0S.<\/p><p>L'\u00e9paisseur totale exploitable d'un seul tenant est d'environ 38 m. L'agr\u00e9ment concerne les parties de la carri\u00e8re de qualit\u00e9 similaire, c'est-\u00e0-dire le banc massif gris clair homog\u00e8ne et peu stylolitique de 30 m d'\u00e9paisseur dont la couleur est gris p\u00e2le, clairement indiqu\u00e9e sur la coupe (voir p. 5 Annexe 1, coupe g\u00e9ologique). Ces stylolites fortement dent\u00e9s (forme d'\u00e9lectrocardiogramme) sont typiques de la roche de Vinalmont. Lorsqu'ils sont soud\u00e9s et ferm\u00e9s, ils permettent \u00e0 la fois une utilisation perpendiculaire \u00e0 la stratification (contre-passe) et parall\u00e8le \u00e0 la stratification (passe).<\/p><p>Les veines mal fusionn\u00e9es et tr\u00e8s fines (moins de 0,1 mm) doivent \u00eatre rejet\u00e9es car elles constituent des sites de fracture pr\u00e9f\u00e9rentiels de la roche. Ces derni\u00e8res se fracturent g\u00e9n\u00e9ralement lors du traitement de la roche.<\/p><h2>2 P\u00e9trographie \/ Lithologie<\/h2><p><strong>\u00a0<\/strong><u>Description macroscopique<\/u>Le \"MASKALKSTEEN - STONE OF VINALMONT\" est un calcaire compact oolithique chimiquement tr\u00e8s pur, d'origine s\u00e9dimentaire, dont la texture homog\u00e8ne pr\u00e9sente une stratification crois\u00e9e, exprim\u00e9e par la patine. La couleur de la roche est gris p\u00e2le \u00e0 gris-beige lorsqu'elle est taill\u00e9e et gris fonc\u00e9 lorsqu'elle est fra\u00eechement fractur\u00e9e. La pierre acquiert une patine gris clair typique de ce mat\u00e9riau. Cette patine, due au vieillissement et inh\u00e9rente \u00e0 la composition de la roche, doit \u00eatre prise en compte dans les travaux de restauration. Le calcaire contient des fragments de coraux (certains bancs sont riches en coraux de type Siphonodendron) et des coquilles de brachiopodes et de gast\u00e9ropodes.<\/p><p>Selon PTV 819-4 \"Classification des roches dans le cadre de l'homologation en r\u00e9f\u00e9rence \u00e0 EN 12670\", il s'agit d'une roche s\u00e9dimentaire carbonat\u00e9e - calcaire oolithique : 2.2.1.3.<\/p><p><u>Description microscopique<\/u>Le \"MASKALKSTEEN - STONE OF VINALMONT\" est un calcaire bioclastique oolithique riche en granules. La roche est principalement constitu\u00e9e d'une faune riche en microfossiles, dont les foraminif\u00e8res sont diagnostiques de l'\u00e2ge, et d'une texture de packstone \u00e0 grainstone (classification de DUNHAM) ou de biosparite \u00e0 biomicrite (classification de FOLK), voir EN 12670). D'autres particularit\u00e9s lithologiques peuvent \u00eatre pr\u00e9sentes.<\/p><p><u>Composition (pour information)<\/u>La composition moyenne est de 99% de carbonate de calcium (CaCO3), 0,5% \u00e0 1% de silicium (SiO2), d'oxydes de fer, de mangan\u00e8se et de magn\u00e9sium.<\/p><h2>\u00a0<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-db24b32 e-flex e-con-boxed e-con e-child\" data-id=\"db24b32\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b2bfc4 elementor-widget elementor-widget-image\" data-id=\"1b2bfc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"738\" height=\"591\" src=\"https:\/\/renier.be\/wp-content\/uploads\/2024\/08\/Eigenschappen-materiaal-Vinalmont.jpg\" class=\"attachment-full size-full wp-image-1188\" alt=\"\" srcset=\"https:\/\/renier.be\/wp-content\/uploads\/2024\/08\/Eigenschappen-materiaal-Vinalmont.jpg 738w, https:\/\/renier.be\/wp-content\/uploads\/2024\/08\/Eigenschappen-materiaal-Vinalmont-300x240.jpg 300w, https:\/\/renier.be\/wp-content\/uploads\/2024\/08\/Eigenschappen-materiaal-Vinalmont-600x480.jpg 600w\" sizes=\"(max-width: 738px) 100vw, 738px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-494fe71 e-con-full e-flex e-con e-child\" data-id=\"494fe71\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c60bb32 elementor-widget elementor-widget-button\" data-id=\"c60bb32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/renier.be\/wp-content\/uploads\/2024\/08\/ATGH798-Vinalmont-Frans.pdf\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cliquez ici pour le certificat ATG complet<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Maaskalksteen van Vinalmont \u00a0 1\u00a0 \u00a0Geogra\ufb01e \/ Geologie \u00a0De N.V. Calcaire de Vinalmont ontgint in Vinalmont een blauwe steen genaamd \u201cMAASKALKSTEEN &#8211; STEEN VAN VINALMONT\u201d. De groeve bevindt zich te Vinalmont, in de vallei Fonds du Roua, ten westen van het centrum van Vinalmont, in de noordflank van het Synclinorium van Namen. Lambert-co\u00f6rdinaten: N 50\u00b0 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1166","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Technische Specificaties Materiaal Vinalmont - Renier Natuursteen<\/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:\/\/renier.be\/fr\/vinalmont\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Technische Specificaties Materiaal Vinalmont - Renier Natuursteen\" \/>\n<meta property=\"og:description\" content=\"Maaskalksteen van Vinalmont \u00a0 1\u00a0 \u00a0Geogra\ufb01e \/ Geologie \u00a0De N.V. Calcaire de Vinalmont ontgint in Vinalmont een blauwe steen genaamd \u201cMAASKALKSTEEN &#8211; STEEN VAN VINALMONT\u201d. De groeve bevindt zich te Vinalmont, in de vallei Fonds du Roua, ten westen van het centrum van Vinalmont, in de noordflank van het Synclinorium van Namen. 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Calcaire de Vinalmont ontgint in Vinalmont een blauwe steen genaamd \u201cMAASKALKSTEEN &#8211; STEEN VAN VINALMONT\u201d. De groeve bevindt zich te Vinalmont, in de vallei Fonds du Roua, ten westen van het centrum van Vinalmont, in de noordflank van het Synclinorium van Namen. 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