{"id":5401,"date":"2023-01-19T22:04:00","date_gmt":"2023-01-19T21:04:00","guid":{"rendered":"https:\/\/medusoil.com\/un-projet-avec-the%f0%9f%87%a8%f0%9f%87%adswiss-railways%f0%9f%9a%89-les-biomineraux-de-medusoil-pour-attenuer-lerosion-continue-du-gres\/"},"modified":"2025-12-20T17:13:42","modified_gmt":"2025-12-20T16:13:42","slug":"un-projet-avec-theswiss-railways-les-biomineraux-de-medusoil-pour-attenuer-lerosion-continue-du-gres","status":"publish","type":"post","link":"https:\/\/medusoil.com\/fr\/un-projet-avec-theswiss-railways-les-biomineraux-de-medusoil-pour-attenuer-lerosion-continue-du-gres\/","title":{"rendered":"Un projet avec the Swiss Railways : Les biomin\u00e9raux de Medusoil pour att\u00e9nuer l&rsquo;\u00e9rosion continue du gr\u00e8s."},"content":{"rendered":"\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/medusoil.com\/wp-content\/uploads\/2023\/01\/36c597_8feb32b1c42949a38a7ce0cc54ce628cmv2.webp\" alt=\"Biomineralization at Swiss Railways slope &#x2013; MeduSoil bio-binder injection and calcite crystal formation improving sandstone stability\" \/><\/figure>\r\n\r\n<section id=\"intro\">\r\n <p>\r\nIn a pilot project near a <strong>Swiss Railways<\/strong> platform in Fribourg, MeduSoil applied its <a href=\"https:\/\/medusoil.com\/products\/\">biomineralization technology<\/a> to stabilize an eroding sandstone slope. \r\n<br \/>\r\n<br \/>\r\nThe objective was to naturally strengthen the rock matrix through controlled calcification using minimally invasive injection and spraying methods.<\/p>\r\n <\/section>\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/static.wixstatic.com\/media\/36c597_ac4f9e7eed8e4cc18976168668ad5239~mv2.jpg\/v1\/fill\/w_525,h_395,al_c,q_80,usm_0.66_1.00_0.01,enc_auto\/36c597_ac4f9e7eed8e4cc18976168668ad5239~mv2.jpg\" alt=\"Eroded sandstone slope prior to stabilization\" \/><figcaption class=\"wp-element-caption\"><em>Eroded sandstone slope before stabilization.<\/em><\/figcaption><\/figure>\r\n\r\n<section id=\"solution\">\r\n <h2>The Solution: Biomineralization in Two Steps<\/h2>\r\n <ol>\r\n <li><strong>Subsurface Injection:<\/strong> 17 mm-diameter drills were used to inject the bio-binder and saturate the slope, identifying fissures and weak zones.<\/li>\r\n <li><strong>Surface Percolation:<\/strong> Over 45 m\u00b2, the solution was sprayed to promote additional mineralization.<\/li>\r\n <\/ol>\r\n <p>All works were completed within a week. After one year, calcification was visible across the slope.<\/p>\r\n <\/section>\r\n\r\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/static.wixstatic.com\/media\/36c597_3e741d50d6674a0fbbc0d9b9479965ad~mv2.png\/v1\/fill\/w_1110,h_386,al_c,q_90,usm_0.66_1.00_0.01,enc_auto\/36c597_3e741d50d6674a0fbbc0d9b9479965ad~mv2.png\" alt=\"Cohesion assessment chart\" \/><figcaption class=\"wp-element-caption\"><em>Pocket penetrometer assessment of cohesion for various slope zones<\/em><\/figcaption><\/figure>\r\n\r\n<section id=\"results\">\r\n <h2>Results: From 5 kPa to 70 kPa Cohesion<\/h2>\r\n <figure>\r\n <img decoding=\"async\" src=\"https:\/\/static.wixstatic.com\/media\/36c597_bf7a0834c3b94b0ca8d26efde576b0b3~mv2.jpg\" alt=\"Stabilized sandstone slope after biomineralization\" \/>\r\n <figcaption>Stabilized sandstone slope after biomineralization.<\/figcaption>\r\n <\/figure>\r\n\r\n <table>\r\n <thead><tr><th>Zone<\/th><th>Cohesion (kPa)<\/th><\/tr><\/thead>\r\n <tbody>\r\n <tr><td>Fully eroded sand<\/td><td>5\u20139<\/td><\/tr>\r\n <tr><td>Weakly cemented zone<\/td><td>&lt;20<\/td><\/tr>\r\n <tr><td>Bio-cemented zone<\/td><td>&gt;70<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/section>\r\n\r\n <section id=\"monitoring\">\r\n <h2>Monitoring and Digital Tracking<\/h2>\r\n <p>Throughout design and monitoring, MeduSoil used an advanced GIS system and <a href=\"https:\/\/en.wikipedia.org\/wiki\/Lidar\" target=\"_blank\" rel=\"noopener\">LiDAR scanning<\/a> to detect surface movement and soil-mass loss with millimeter accuracy. This digital-terrain monitoring ensures traceability and long-term stability assessment.<\/p>\r\n <\/section>\r\n\r\n<h2 class=\"wp-block-heading\">For more information:<\/h2>\r\n\r\n<p>Learn more about our <a href=\"https:\/\/medusoil.com\/fr\/projets\/\">slope stabilization projects<\/a> or explore our <a href=\"https:\/\/medusoil.com\/products\/\">biomineralization product page<\/a>.<\/p>\r\n <p><strong>Contact:<\/strong> <a href=\"mailto:nicolas@medusoil.com\">nicolas@medusoil.com<\/a> \u2013 Nicolas Hermant, Technical Sales Executive, 076 844 17 41<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>In a pilot project near a Swiss Railways platform in Fribourg, MeduSoil applied its biomineralization technology to stabilize an eroding sandstone slope. The objective was to naturally strengthen the rock matrix through controlled calcification using minimally invasive injection and spraying methods. The Solution: Biomineralization in Two Steps Subsurface Injection: 17 mm-diameter drills were used to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4916,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"inline_featured_image":false,"footnotes":""},"categories":[2,69],"tags":[119,127],"class_list":["post-5401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-blog-fr","tag-actualites","tag-news"],"_links":{"self":[{"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/posts\/5401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/comments?post=5401"}],"version-history":[{"count":7,"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/posts\/5401\/revisions"}],"predecessor-version":[{"id":8729,"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/posts\/5401\/revisions\/8729"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/media\/4916"}],"wp:attachment":[{"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/media?parent=5401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/categories?post=5401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medusoil.com\/fr\/wp-json\/wp\/v2\/tags?post=5401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}