{"id":253,"date":"2025-05-17T10:09:38","date_gmt":"2025-05-17T08:09:38","guid":{"rendered":"https:\/\/versionbeta.ovh\/gravimep\/?page_id=253"},"modified":"2025-07-29T18:26:16","modified_gmt":"2025-07-29T16:26:16","slug":"effondrements-de-terrain-causes-risques-et-solutions-de-detection","status":"publish","type":"page","link":"https:\/\/versionbeta.ovh\/gravimep\/detection-des-cavites\/effondrements-de-terrain-causes-risques-et-solutions-de-detection\/","title":{"rendered":"Effondrements de terrain : causes, risques et solutions de d\u00e9tection"},"content":{"rendered":"<h1>Effondrements de terrain :<br class=\"uk-visible@m\"\/> causes, risques et solutions de d\u00e9tection<\/p>\n<\/h1>\n<h2>Un ph\u00e9nom\u00e8ne souvent invisible\u2026 <br class=\"uk-visible@m\"\/>jusqu\u2019\u00e0 l\u2019effondrement<br \/>\n<\/h2>\n<div>\n<p>Un <strong>effondrement de terrain<\/strong> survient lorsque le sol, affaibli par une cavit\u00e9 souterraine, ne peut plus supporter ce qui se trouve au-dessus de lui. Le ph\u00e9nom\u00e8ne est souvent <strong>brutal<\/strong>, <strong>dangereux<\/strong> et <strong>co\u00fbteux<\/strong>, tant pour les biens que pour les personnes.<\/p>\n<p class=\"uk-text-bold uk-text-secondary\">Les signes avant-coureurs\u00a0?<\/p>\n<ul class=\"uk-list uk-list-circle uk-list-secondary\">\n<li>Affaissement progressif d\u2019un sol<\/li>\n<li>Apparition de fissures en surface<\/li>\n<li>D\u00e9formation d\u2019ouvrages ou de voiries<\/li>\n<\/ul>\n<p class=\"uk-text-bold\">| Dans de nombreux cas, aucun signe visible ne pr\u00e9c\u00e8de un effondrement. D\u2019o\u00f9 l\u2019int\u00e9r\u00eat d\u2019une <strong>d\u00e9tection pr\u00e9ventive<\/strong>.<\/p>\n<\/div>\n<div>\n<div>\n<p>En savoir plus sur  <a href=\"\/gravimep\/definition-et-principe-de-la-microgravimetrie\">notre m\u00e9thode de microgravim\u00e9trie<\/a><\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/07\/effondrement-de-chaussee-dans-les-hauts-de-france.jpg\" alt=\"Chauss\u00e9e effondr\u00e9e\"><\/p>\n<h2>Les principales causes d\u2019effondrement<br \/>\n<\/h2>\n<div>\n<ul class=\"uk-list uk-list-circle uk-list-secondary\">\n<li>Pr\u00e9sence de <strong>cavit\u00e9s karstiques<\/strong> (dissolution de la roche calcaire)<\/li>\n<li>Anciennes <strong>carri\u00e8res<\/strong> ou <strong>tunnels oubli\u00e9s<\/strong><\/li>\n<li><strong>Marni\u00e8res<\/strong>, <strong>boves<\/strong>, <strong>catiches<\/strong> non remblay\u00e9es<\/li>\n<li>Sols remani\u00e9s ou <strong>remblay\u00e9s sans compactage<\/strong><\/li>\n<li>Circulation d\u2019eau favorisant des <strong>vides progressifs<\/strong><\/li>\n<\/ul>\n<\/div>\n<div>\n<div>\n<p>Voir notre page  <a href=\"\/gravimep\/detection-des-cavites-karstiques\"> Cavit\u00e9s karstiques<\/a><\/p>\n<\/div>\n<\/div>\n<div>\n<div>\n<p>Voir notre page  <a href=\"\/gravimep\/tunnels-ou-carrieres\"> Tunnels et carri\u00e8res<\/a><\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/07\/vue-de-coupe-terrain-avec-riviere-souterraine.jpg\" alt=\"Circulation d\u2019eau favorisant des vides progressifs\"><\/p>\n<h2>Les cons\u00e9quences d\u2019un effondrement non anticip\u00e9<\/p>\n<\/h2>\n<div>\n<ul class=\"uk-list uk-list-decimal uk-list-secondary\">\n<li>Mise en danger des personnes<\/li>\n<li>Dommages aux fondations et infrastructures<\/li>\n<li>Arr\u00eat de chantier ou impossibilit\u00e9 de construire<\/li>\n<li>Responsabilit\u00e9s juridiques engag\u00e9es<\/li>\n<li>Perte de valeur fonci\u00e8re ou refus d\u2019assurance<\/li>\n<\/ul>\n<\/div>\n<div>\n<div>\n<p>Voir la section   <a href=\"\/gravimep\/risques-prevention\"> Risques et pr\u00e9vention<\/a><\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/07\/quartier-totalement-ecroule.jpg\" alt=\"Les cons\u00e9quences d\u2019un effondrement non anticip\u00e9 \"><\/p>\n<h3>Comment pr\u00e9venir les effondrements ?<br \/>\n<\/h3>\n<div>\n<p>La <strong>microgravim\u00e9trie<\/strong> est l\u2019un des seuls moyens non destructifs permettant de d\u00e9tecter des cavit\u00e9s responsables d\u2019effondrement avant qu\u2019il ne soit trop tard.<\/p>\n<p class=\"uk-text-bold uk-text-secondary\">\u00c9tapes de notre intervention\u00a0:<\/p>\n<ul class=\"uk-list uk-list-decimal uk-list-secondary\">\n<li>\u00c9tude du site et du contexte g\u00e9ologique<\/li>\n<li>Campagne de mesures gravim\u00e9triques haute pr\u00e9cision<\/li>\n<li>Traitement des donn\u00e9es et cartographie des anomalies<\/li>\n<li>Ciblage des zones \u00e0 risque et recommandations<\/li>\n<\/ul>\n<\/div>\n<div>\n<div>\n<p> <a href=\"\/gravimep\/gravimetres-utilises-en-microgravimetrie\">D\u00e9couvrez nos gravim\u00e8tres<\/a><\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/07\/ensemble-des-appareils-de-mesure-en-gravimetrie.jpg\" alt=\"ensemble-des-appareils-de-mesure-en-gravimetrie\"><\/p>\n<h2>Zones sensibles et terrains \u00e0 surveiller<\/h2>\n<div>\n<p class=\"uk-text-bold\">Nous intervenons notamment dans les zones o\u00f9\u00a0:<\/p>\n<ul class=\"uk-list uk-list-secondary\">\n<li>Des <strong>effondrements<\/strong> ont d\u00e9j\u00e0 \u00e9t\u00e9 <strong>recens\u00e9s<\/strong><\/li>\n<li>La <strong>g\u00e9ologie locale<\/strong> est <strong>karstique<\/strong> ou <strong>mini\u00e8re<\/strong><\/li>\n<li>Le terrain est <strong>b\u00e2ti<\/strong> ou en <strong>projet de construction<\/strong><\/li>\n<li>Il existe un <strong>passif d\u2019exploitation souterraine<\/strong><\/li>\n<\/ul>\n<\/div>\n<p><p>\n        <a href=\"#\">Voir notre zone d\u2019intervention en Hauts-de-France<\/a>\n    <\/p>\n<\/p>\n<h4>GRAVIMEP vous accompagne dans la pr\u00e9vention<br \/>\n<\/h4>\n<div>\n<ul class=\"uk-list uk-list-secondary\">\n<li><span uk-icon=\"icon: check\"><\/span> R\u00e9alise des diagnostics complets<\/li>\n<li><span uk-icon=\"icon: check\"><\/span> Travaille aux c\u00f4t\u00e9s de collectivit\u00e9s, promoteurs, particuliers<\/li>\n<li><span uk-icon=\"icon: check\"><\/span> Propose des rapports clairs et exploitables<\/li>\n<li><span uk-icon=\"icon: check\"><\/span> Cible pr\u00e9cis\u00e9ment les zones de sondage, \u00e9vitant les erreurs co\u00fbteuses<\/li>\n<\/ul>\n<\/div>\n<p><p>\n        <a href=\"\/gravimep\/contact\">Voir nos \u00e9tudes de cas de d\u00e9tection<\/a>\n    <\/p>\n<\/p>\n<p><!--more--><br \/>\n<!-- {\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"style\":\"muted\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"padding\":\"xsmall\",\"position_sticky_breakpoint\":\"m\",\"style\":\"card-secondary\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Effondrements de terrain :<br class=\\\"uk-visible@m\\\"\\\/> causes, risques et solutions de d\\u00e9tection\\n\\n\\n\",\"text_align\":\"center\",\"title_color\":\"secondary\",\"title_element\":\"h1\",\"title_font_family\":\"default\",\"title_style\":\"h2\"}},{\"type\":\"breadcrumbs\",\"props\":{\"show_current\":true,\"show_home\":true,\"text_align\":\"center\"}}]}]},{\"type\":\"row\",\"props\":{\"layout\":\"1-2,1-2\",\"margin\":\"xlarge\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Un ph\\u00e9nom\\u00e8ne souvent invisible\\u2026 <br class=\\\"uk-visible@m\\\"\\\/>jusqu\\u2019\\u00e0 l\\u2019effondrement\\n\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Un <strong>effondrement de terrain<\\\/strong> survient lorsque le sol, affaibli par une cavit\\u00e9 souterraine, ne peut plus supporter ce qui se trouve au-dessus de lui. Le ph\\u00e9nom\\u00e8ne est souvent <strong>brutal<\\\/strong>, <strong>dangereux<\\\/strong> et <strong>co\\u00fbteux<\\\/strong>, tant pour les biens que pour les personnes.<\\\/p>\\n\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">Les signes avant-coureurs\\u00a0?<\\\/p>\\n\n\n<ul class=\\\"uk-list uk-list-circle uk-list-secondary\\\">\\n\n\n<li>Affaissement progressif d\\u2019un sol<\\\/li>\\n\n\n<li>Apparition de fissures en surface<\\\/li>\\n\n\n<li>D\\u00e9formation d\\u2019ouvrages ou de voiries<\\\/li>\\n<\\\/ul>\\n\n\n<p class=\\\"uk-text-bold\\\">| Dans de nombreux cas, aucun signe visible ne pr\\u00e9c\\u00e8de un effondrement. D\\u2019o\\u00f9 l\\u2019int\\u00e9r\\u00eat d\\u2019une <strong>d\\u00e9tection pr\\u00e9ventive<\\\/strong>.<\\\/p>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p>En savoir plus sur  <a href=\\\"definition-et-principe-de-la-microgravimetrie\\\">notre m\\u00e9thode de microgravim\\u00e9trie<\\\/a><\\\/p>\",\"content_column_breakpoint\":\"m\",\"content_style\":\"text-small\",\"icon\":\"link-external\",\"icon_width\":\"30\",\"image_align\":\"right\",\"image_grid_breakpoint\":\"\",\"image_grid_width\":\"auto\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_style\":\"card-primary\",\"text_align\":\"center\",\"title_align\":\"top\",\"title_element\":\"h3\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"image\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2025\\\/07\\\/effondrement-de-chaussee-dans-les-hauts-de-france.jpg\",\"image_alt\":\"Chauss\\u00e9e effondr\\u00e9e\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"image_box_shadow\":\"large\",\"image_height\":600,\"image_loading\":true,\"image_svg_color\":\"emphasis\",\"image_width\":600,\"margin\":\"default\",\"text_align\":\"center\"}}]}]},{\"type\":\"row\",\"props\":{\"layout\":\"1-2,1-2\",\"margin\":\"xlarge\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Les principales causes d\\u2019effondrement\\n\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<ul class=\\\"uk-list uk-list-circle uk-list-secondary\\\">\\n\n\n<li>Pr\\u00e9sence de <strong>cavit\\u00e9s karstiques<\\\/strong> (dissolution de la roche calcaire)<\\\/li>\\n\n\n<li>Anciennes <strong>carri\\u00e8res<\\\/strong> ou <strong>tunnels oubli\\u00e9s<\\\/strong><\\\/li>\\n\n\n<li><strong>Marni\\u00e8res<\\\/strong>, <strong>boves<\\\/strong>, <strong>catiches<\\\/strong> non remblay\\u00e9es<\\\/li>\\n\n\n<li>Sols remani\\u00e9s ou <strong>remblay\\u00e9s sans compactage<\\\/strong><\\\/li>\\n\n\n<li>Circulation d\\u2019eau favorisant des <strong>vides progressifs<\\\/strong><\\\/li>\\n<\\\/ul>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p>Voir notre page  <a href=\\\"detection-des-cavites-karstiques\\\"> Cavit\\u00e9s karstiques<\\\/a><\\\/p>\",\"content_column_breakpoint\":\"m\",\"content_style\":\"text-small\",\"icon\":\"link-external\",\"icon_width\":\"30\",\"image_align\":\"right\",\"image_grid_breakpoint\":\"\",\"image_grid_width\":\"auto\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_style\":\"card-primary\",\"text_align\":\"center\",\"title_align\":\"top\",\"title_element\":\"h3\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\"}},{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p>Voir notre page  <a href=\\\"tunnels-ou-carrieres\\\"> Tunnels et carri\\u00e8res<\\\/a><\\\/p>\",\"content_column_breakpoint\":\"m\",\"content_style\":\"text-small\",\"icon\":\"link-external\",\"icon_width\":\"30\",\"image_align\":\"right\",\"image_grid_breakpoint\":\"\",\"image_grid_width\":\"auto\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_style\":\"card-primary\",\"text_align\":\"center\",\"title_align\":\"top\",\"title_element\":\"h3\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"order_first\":\"m\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"image\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2025\\\/07\\\/vue-de-coupe-terrain-avec-riviere-souterraine.jpg\",\"image_alt\":\"Circulation d\\u2019eau favorisant des vides progressifs\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"image_box_shadow\":\"large\",\"image_height\":600,\"image_loading\":true,\"image_svg_color\":\"emphasis\",\"image_width\":600,\"margin\":\"default\",\"text_align\":\"center\"}}]}]},{\"type\":\"row\",\"props\":{\"layout\":\"1-2,1-2\",\"margin\":\"xlarge\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Les cons\\u00e9quences d\\u2019un effondrement non anticip\\u00e9\\n\\n\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<ul class=\\\"uk-list uk-list-decimal uk-list-secondary\\\">\\n    \n\n<li>Mise en danger des personnes<\\\/li>\\n    \n\n<li>Dommages aux fondations et infrastructures<\\\/li>\\n    \n\n<li>Arr\\u00eat de chantier ou impossibilit\\u00e9 de construire<\\\/li>\\n    \n\n<li>Responsabilit\\u00e9s juridiques engag\\u00e9es<\\\/li>\\n    \n\n<li>Perte de valeur fonci\\u00e8re ou refus d\\u2019assurance<\\\/li>\\n<\\\/ul>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p>Voir la section   <a href=\\\"risques-prevention\\\"> Risques et pr\\u00e9vention<\\\/a><\\\/p>\",\"content_column_breakpoint\":\"m\",\"content_style\":\"text-small\",\"icon\":\"link-external\",\"icon_width\":\"30\",\"image_align\":\"right\",\"image_grid_breakpoint\":\"\",\"image_grid_width\":\"auto\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_style\":\"card-primary\",\"text_align\":\"center\",\"title_align\":\"top\",\"title_element\":\"h3\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"image\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2025\\\/07\\\/quartier-totalement-ecroule.jpg\",\"image_alt\":\"Les cons\\u00e9quences d\\u2019un effondrement non anticip\\u00e9 \",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"image_box_shadow\":\"large\",\"image_height\":600,\"image_loading\":true,\"image_svg_color\":\"emphasis\",\"image_width\":600,\"margin\":\"default\",\"text_align\":\"center\"}}]}]},{\"type\":\"row\",\"props\":{\"layout\":\"1-2,1-2\",\"margin\":\"xlarge\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Comment pr\\u00e9venir les effondrements ?\\n\",\"title_element\":\"h3\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>La <strong>microgravim\\u00e9trie<\\\/strong> est l\\u2019un des seuls moyens non destructifs permettant de d\\u00e9tecter des cavit\\u00e9s responsables d\\u2019effondrement avant qu\\u2019il ne soit trop tard.<\\\/p>\\n\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">\\u00c9tapes de notre intervention\\u00a0:<\\\/p>\\n\n\n<ul class=\\\"uk-list uk-list-decimal uk-list-secondary\\\">\\n\n\n<li>\\u00c9tude du site et du contexte g\\u00e9ologique<\\\/li>\\n\n\n<li>Campagne de mesures gravim\\u00e9triques haute pr\\u00e9cision<\\\/li>\\n\n\n<li>Traitement des donn\\u00e9es et cartographie des anomalies<\\\/li>\\n\n\n<li>Ciblage des zones \\u00e0 risque et recommandations<\\\/li>\\n<\\\/ul>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p> <a href=\\\"gravimetres-utilises-en-microgravimetrie\\\">D\\u00e9couvrez nos gravim\\u00e8tres<\\\/a><\\\/p>\",\"content_column_breakpoint\":\"m\",\"content_style\":\"text-small\",\"icon\":\"link-external\",\"icon_width\":\"30\",\"image_align\":\"right\",\"image_grid_breakpoint\":\"\",\"image_grid_width\":\"auto\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_style\":\"card-primary\",\"text_align\":\"center\",\"title_align\":\"top\",\"title_element\":\"h3\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\"}}]},{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"order_first\":\"m\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\",\"width_medium\":\"1-2\"},\"children\":[{\"type\":\"image\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2025\\\/07\\\/ensemble-des-appareils-de-mesure-en-gravimetrie.jpg\",\"image_alt\":\"ensemble-des-appareils-de-mesure-en-gravimetrie\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"image_box_shadow\":\"large\",\"image_height\":600,\"image_loading\":true,\"image_svg_color\":\"emphasis\",\"image_width\":600,\"margin\":\"default\",\"text_align\":\"center\"}}]}]}]},{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"style\":\"secondary\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"props\":{\"margin\":\"xlarge\",\"padding_remove_horizontal\":false,\"width\":\"xsmall\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"vertical_align\":\"middle\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Zones sensibles et terrains \\u00e0 surveiller\",\"text_align\":\"center\",\"title_decoration\":\"line\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"uk-text-bold\\\">Nous intervenons notamment dans les zones o\\u00f9\\u00a0:<\\\/p>\\n\n\n<ul class=\\\"uk-list uk-list-secondary\\\">\\n\n\n<li>Des <strong>effondrements<\\\/strong> ont d\\u00e9j\\u00e0 \\u00e9t\\u00e9 <strong>recens\\u00e9s<\\\/strong><\\\/li>\\n\n\n<li>La <strong>g\\u00e9ologie locale<\\\/strong> est <strong>karstique<\\\/strong> ou <strong>mini\\u00e8re<\\\/strong><\\\/li>\\n\n\n<li>Le terrain est <strong>b\\u00e2ti<\\\/strong> ou en <strong>projet de construction<\\\/strong><\\\/li>\\n\n\n<li>Il existe un <strong>passif d\\u2019exploitation souterraine<\\\/strong><\\\/li>\\n<\\\/ul>\",\"margin\":\"default\",\"text_align\":\"center\",\"text_color\":\"emphasis\",\"text_style\":\"lead\"}},{\"type\":\"button\",\"props\":{\"fullwidth\":true,\"grid_column_gap\":\"small\",\"grid_row_gap\":\"small\",\"margin\":\"default\",\"text_align\":\"center\"},\"children\":[{\"type\":\"button_item\",\"props\":{\"button_style\":\"default\",\"content\":\"Voir notre zone d\\u2019intervention en Hauts-de-France\",\"dialog_layout\":\"modal\",\"dialog_offcanvas_flip\":true,\"icon\":\"link-external\",\"icon_align\":\"right\",\"link\":\"#\"}}]}]}]}]},{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\",\"style\":\"tile-primary\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"GRAVIMEP vous accompagne dans la pr\\u00e9vention\\n\",\"text_align\":\"center\",\"title_color\":\"emphasis\",\"title_element\":\"h4\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<ul class=\\\"uk-list uk-list-secondary\\\">\\n    \n\n<li><span uk-icon=\\\"icon: check\\\"><\\\/span> R\\u00e9alise des diagnostics complets<\\\/li>\\n    \n\n<li><span uk-icon=\\\"icon: check\\\"><\\\/span> Travaille aux c\\u00f4t\\u00e9s de collectivit\\u00e9s, promoteurs, particuliers<\\\/li>\\n    \n\n<li><span uk-icon=\\\"icon: check\\\"><\\\/span> Propose des rapports clairs et exploitables<\\\/li>\\n    \n\n<li><span uk-icon=\\\"icon: check\\\"><\\\/span> Cible pr\\u00e9cis\\u00e9ment les zones de sondage, \\u00e9vitant les erreurs co\\u00fbteuses<\\\/li>\\n<\\\/ul>\",\"margin\":\"default\",\"text_align\":\"center\",\"text_color\":\"emphasis\",\"text_style\":\"large\"}},{\"type\":\"button\",\"props\":{\"fullwidth\":true,\"grid_column_gap\":\"small\",\"grid_row_gap\":\"small\",\"margin\":\"default\",\"text_align\":\"center\"},\"children\":[{\"type\":\"button_item\",\"props\":{\"button_style\":\"default\",\"content\":\"Voir nos \\u00e9tudes de cas de d\\u00e9tection\",\"dialog_layout\":\"modal\",\"dialog_offcanvas_flip\":true,\"icon\":\"users\",\"icon_align\":\"right\",\"link\":\"contact\"}}]}]}]}]}],\"version\":\"4.5.24\"} --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Effondrements de terrain : causes, risques et solutions de d\u00e9tection Un ph\u00e9nom\u00e8ne souvent invisible\u2026 jusqu\u2019\u00e0 l\u2019effondrement Un effondrement de terrain survient lorsque le sol, affaibli par une cavit\u00e9 souterraine, ne peut plus supporter ce qui se trouve au-dessus de lui. Le ph\u00e9nom\u00e8ne est souvent brutal, dangereux et co\u00fbteux, tant pour les biens que pour les [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":74,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-253","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/comments?post=253"}],"version-history":[{"count":17,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/253\/revisions"}],"predecessor-version":[{"id":556,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/253\/revisions\/556"}],"up":[{"embeddable":true,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/74"}],"wp:attachment":[{"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/media?parent=253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}