{"id":822,"date":"2015-07-21T16:02:40","date_gmt":"2015-07-21T16:02:40","guid":{"rendered":"http:\/\/ground.geophysicsgpr.com\/?page_id=822"},"modified":"2017-02-28T21:17:21","modified_gmt":"2017-02-28T21:17:21","slug":"cartographie-de-karsts-de-vides-et-daffaissements-des-sols","status":"publish","type":"page","link":"https:\/\/ground.geophysicsgpr.com\/fr\/techniques-de-geophysique-terrestre\/georadar\/cartographie-de-karsts-de-vides-et-daffaissements-des-sols","title":{"rendered":"Cartographie de karsts, de vides et d&rsquo;affaissement des sols"},"content":{"rendered":"<div id=\"pl-822\"  class=\"panel-layout\" ><div id=\"pg-822-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-822-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-822-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div class=\"texte-home-right article panel-widget-style panel-widget-style-for-822-0-0-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>Technique g\u00e9ophysique terrestre servant \u00e0 d\u00e9tecter des vides dans les structures en b\u00e9ton et dans les roches, le g\u00e9oradar permet d'identifier la pr\u00e9sence de cavit\u00e9s ou de formations karstiques. Les karsts de contact mat\u00e9rialisent la transition entre un karst nu et un karst sous couverture (ou un\u00a0calcaire non karstifi\u00e9 sous couverture imperm\u00e9able) et ils constituent les secteurs les plus propices \u00e0 l\u2019infiltration localis\u00e9e (pertes).<\/p>\n<p>A l'aide d'analyse sur la g\u00e9omorphologie et les sens d'\u00e9coulement, des zones potentielles de karst de contact ont \u00e9t\u00e9 mises en \u00e9vidence de mani\u00e8re semi-automatique.<\/p>\n<h3>Diff\u00e9rentes m\u00e9thodes de g\u00e9ophysique terrestre sont utilis\u00e9es pour la cartographie de karsts, de vides et d\u2019affaissement des sols<\/h3>\n<p><b>Le g\u00e9oradar permet<\/b><\/p>\n<ul>\n<li>La d\u00e9termination de l\u2019\u00e9paisseur des parois ma\u00e7onn\u00e9es du tunnel et la localisation des \u00e9ventuelles anomalies (fissures, d\u00e9collement, etc.) ;<\/li>\n<li>La recherche de vides et de d\u00e9compressions dans le terrain naturel ;<\/li>\n<li>Eventuellement la d\u00e9termination de la position du rocher.<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p>Pour plus d'information, veuillez contacter notre <a href=\"mailto:daniel.campos@geophysicsgpr.com;jean-luc.arsenault@geophysicsgpr.com;claude.robillard@geophysicsgpr.com;info@geophysicsgpr.com\">\u00c9quipe de Lev\u00e9 Terrestre<\/a>.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pgc-822-0-1\"  class=\"panel-grid-cell\" ><div id=\"panel-822-0-1-0\" class=\"so-panel widget widget_sow-image panel-first-child panel-last-child\" data-index=\"1\" ><div class=\"panel-widget-style panel-widget-style-for-822-0-1-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-822\"\n\t\t\t\n\t\t>\n<div class=\"sow-image-container\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_Voids_1.jpg\" width=\"225\" height=\"169\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" title=\"Ground Techniques Georadar Voids\" alt=\"\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-822-1\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-822-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-822-1-0-0\" class=\"so-panel widget widget_sow-image panel-first-child panel-last-child\" data-index=\"2\" ><div class=\"panel-widget-style panel-widget-style-for-822-1-0-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-822\"\n\t\t\t\n\t\t>\n<div class=\"sow-image-container\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_voids.jpg\" width=\"600\" height=\"400\" srcset=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_voids.jpg 600w, https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_voids-300x200.jpg 300w, https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_voids-272x182.jpg 272w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" title=\"Ground Techniques Georadar Voids\" alt=\"\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><\/div><div id=\"pgc-822-1-1\"  class=\"panel-grid-cell\" ><div id=\"panel-822-1-1-0\" class=\"so-panel widget widget_sow-image panel-first-child\" data-index=\"3\" ><div class=\"panel-widget-style panel-widget-style-for-822-1-1-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-822\"\n\t\t\t\n\t\t>\n<div class=\"sow-image-container\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_Voids_2-Custom.jpg\" width=\"600\" height=\"157\" srcset=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_Voids_2-Custom.jpg 600w, https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_Voids_2-Custom-300x79.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" title=\"Ground Techniques Georadar Voids\" alt=\"Ground Techniques Georadar Voids\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><div id=\"panel-822-1-1-1\" class=\"so-panel widget widget_sow-image panel-last-child\" data-index=\"4\" ><div class=\"panel-widget-style panel-widget-style-for-822-1-1-1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-822\"\n\t\t\t\n\t\t>\n<div class=\"sow-image-container\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_Voids_3-Custom.jpg\" width=\"600\" height=\"289\" srcset=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_Voids_3-Custom.jpg 600w, https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Georadar_Voids_3-Custom-300x145.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" title=\"Ground Techniques Georadar Voids\" alt=\"Ground Techniques Georadar Voids\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Technique g\u00e9ophysique terrestre servant \u00e0 d\u00e9tecter des vides dans les structures en b\u00e9ton et dans les roches, le g\u00e9oradar permet d&rsquo;identifier la pr\u00e9sence de cavit\u00e9s ou de formations karstiques. Les karsts de contact mat\u00e9rialisent la transition entre un karst nu et un karst sous couverture (ou un\u00a0calcaire non karstifi\u00e9 sous couverture imperm\u00e9able) et ils constituent&#8230;  <a href=\"https:\/\/ground.geophysicsgpr.com\/fr\/techniques-de-geophysique-terrestre\/georadar\/cartographie-de-karsts-de-vides-et-daffaissements-des-sols\" class=\"more-link\" title=\"Read Cartographie de karsts, de vides et d&rsquo;affaissement des sols\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":1118,"parent":789,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-full-width.php","meta":{"content-type":"","footnotes":""},"class_list":["post-822","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/comments?post=822"}],"version-history":[{"count":1,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/822\/revisions"}],"predecessor-version":[{"id":3012,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/822\/revisions\/3012"}],"up":[{"embeddable":true,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/789"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/media\/1118"}],"wp:attachment":[{"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/media?parent=822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}