{"id":72,"date":"2025-05-14T16:43:29","date_gmt":"2025-05-14T14:43:29","guid":{"rendered":"https:\/\/versionbeta.ovh\/gravimep\/?page_id=72"},"modified":"2025-07-24T18:56:08","modified_gmt":"2025-07-24T16:56:08","slug":"microgravimetrie-la-methode-de-reference","status":"publish","type":"page","link":"https:\/\/versionbeta.ovh\/gravimep\/microgravimetrie-la-methode-de-reference\/","title":{"rendered":"Microgravim\u00e9trie"},"content":{"rendered":"<h1>Microgravim\u00e9trie :<br class=\"uk-visible@m\"\/> la m\u00e9thode de r\u00e9f\u00e9rence pour d\u00e9tecter les cavit\u00e9s souterraines<\/p>\n<\/h1>\n<h2>Qu\u2019est-ce que la microgravim\u00e9trie ?<br \/>\n<\/h2>\n<div>\n<p>La <strong>microgravim\u00e9trie<\/strong> est une technique de g\u00e9ophysique appliqu\u00e9e reposant sur l\u2019analyse de variations locales du champ gravitationnel terrestre. Elle permet de rep\u00e9rer les anomalies de densit\u00e9 sous la surface, souvent r\u00e9v\u00e9latrices de cavit\u00e9s souterraines, de remblais ou d\u2019h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9s g\u00e9ologiques. <\/p>\n<p>Cette m\u00e9thode, non destructive, consiste \u00e0 mesurer pr\u00e9cis\u00e9ment la valeur locale de g (la pesanteur), qui varie en fonction de la nature et de la compacit\u00e9 des mat\u00e9riaux pr\u00e9sents sous la surface.<\/p>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/06\/visuel-microgravimetrie-la-methode.jpg\" alt=\"Illustration de la microgravim\u00e9trie\"><\/p>\n<h2>Pourquoi utiliser la microgravim\u00e9trie ?<\/h2>\n<div>\n<p class=\"uk-text-bold uk-text-secondary\">La <strong>microgravim\u00e9trie<\/strong> est particuli\u00e8rement efficace pour :<\/p>\n<\/div>\n<ul>\n<li>\n<div>\n<p><strong>D\u00e9tecter des cavit\u00e9s<\/strong> situ\u00e9es \u00e0 faible profondeur (carri\u00e8res souterraines, marni\u00e8res, boves, etc.)<\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p><strong>\u00c9valuer la stabilit\u00e9 des sols<\/strong> en vue de projets d\u2019am\u00e9nagement ou de construction<\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p><strong>Identifier des anomalies<\/strong> invisibles sans forage initial<\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p>Compl\u00e9ter une <strong>\u00e9tude g\u00e9otechnique<\/strong> existante<\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p>Cibler pr\u00e9cis\u00e9ment les <strong>emplacements \u00e0 forer<\/strong> pour v\u00e9rification<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/06\/etude-avec-la-methode-de-microgravimetrie-a-lesquin.jpg\" alt=\"In\u00e9genieur des sols en cours d'analyse d'un sol avec la m\u00e9thode microgravimetrie\"><\/p>\n<h3>Comment \u00e7a fonctionne ?<\/h3>\n<div>\n<p>La <strong>gravim\u00e9trie<\/strong> repose sur une loi simple :<\/p>\n<\/div>\n<div>\n<p>Plus un sol est dense, plus la pesanteur mesur\u00e9e est \u00e9lev\u00e9e.<br \/>\n\u00c0 l\u2019inverse, la pr\u00e9sence d\u2019un vide (cavit\u00e9) entra\u00eene une baisse locale de la pesanteur.<\/p>\n<\/div>\n<div>\n<p class=\"uk-text-bold uk-text-secondary\">\u00c9tapes de l\u2019analyse microgravim\u00e9trique :<\/p>\n<\/div>\n<ul>\n<li>\n<div>\n<p>Mesures terrain \u00e0 l\u2019aide d\u2019un <strong>gravim\u00e8tre de haute pr\u00e9cision<\/strong><\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p><strong>Mod\u00e9lisation 3D<\/strong> des donn\u00e9es collect\u00e9es<\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p><strong>Analyse des anomalies<\/strong> (zones l\u00e9g\u00e8res = suspicion de vide)<\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p><strong>Recommandations<\/strong> cibl\u00e9es pour forage ou v\u00e9rification<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/06\/personel-entreprise-gavimep-en-cours-d-analyse-gravimetrique.jpg\" alt=\"Employ\u00e9 de chez Gravimep en cour d'analyse Gravim\u00e9trique\"><\/p>\n<h2>\u00c0 quoi reconna\u00eet-on une cavit\u00e9 ?<br \/>\n<\/h2>\n<div>\n<p class=\"uk-text-bold uk-text-secondary\">Une cavit\u00e9 se manifeste par une zone all\u00e9g\u00e9e en surface :\n<\/p>\n<\/div>\n<ul>\n<li>\n<div>\n<p>Galerie abandonn\u00e9e<\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p>Ancienne exploitation souterraine<\/p>\n<\/div>\n<\/li>\n<li>\n<div>\n<p>Remblai ancien ou vide naturel (karst, doline)<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>\n<p>Ces anomalies sont clairement d\u00e9tect\u00e9es par la microgravim\u00e9trie, permettant de d\u00e9limiter les zones \u00e0 risque avant toute construction.<\/p>\n<\/div>\n<div>\n<div>\n<p>En savoir plus sur notre : <a href=\"\/gravimep\/detection-des-cavites\">d\u00e9tection de cavit\u00e9s souterraines<\/a><\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/06\/carte-etude-de-sol-par-microgravimetrie.jpg\" alt=\"Carte rapport microgravimetrie\"><\/p>\n<h2>Avantages de la microgravim\u00e9trie<\/h2>\n<div>\n<ul class=\"uk-text-center uk-list uk-text-primary\">\n<li><strong>Non invasive :<\/strong> aucune intervention destructrice<\/li>\n<li><strong>Haute pr\u00e9cision :<\/strong> d\u00e9tecte des vides \u00e0 plusieurs m\u00e8tres de profondeur<\/li>\n<li><strong>Compl\u00e9mentaire :<\/strong> renforce les \u00e9tudes de sol classiques<\/li>\n<li><strong>\u00c9conomique :<\/strong> ciblage optimal des points de forage<\/li>\n<li><strong>Applicable sur de larges surfaces :<\/strong> de quelques ares \u00e0 plusieurs hectares<\/li>\n<\/ul>\n<\/div>\n<h2>Un savoir-faire \u00e9prouv\u00e9 chez GRAVIMEP<br \/>\n<\/h2>\n<div>\n<p>Chez GRAVIMEP, nous utilisons cette m\u00e9thode depuis 1987. Notre \u00e9quipe d\u2019experts, dirig\u00e9e par Ludovic Buchwald, a men\u00e9 plus de 500 \u00e9tudes microgravim\u00e9triques, couvrant tous types de terrains et configurations.\n<\/p>\n<\/div>\n<ul>\n<li>\n<p>\n        <a href=\"#\">D\u00e9couvrez notre expertise et historique<\/a>\n    <\/p>\n<\/li>\n<li>\n<p>\n        <a href=\"#\">Consultez nos zones d\u2019intervention en Hauts-de-France et ailleurs<\/a>\n    <\/p>\n<\/li>\n<\/ul>\n<h3>Besoin d&rsquo;une \u00e9tude ?<\/h3>\n<div>\n<p>Nous sommes \u00e0 votre \u00e9coute 5j\/7 de 8h \u00e0 18h pour vous accompagner dans vos projets de diagnostic de sol, d\u2019am\u00e9nagement ou de s\u00e9curisation de site.<\/p>\n<\/div>\n<p><p>\n        <a href=\"\/gravimep\/contact\">Nous contacter<\/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\":\"Microgravim\\u00e9trie :<br class=\\\"uk-visible@m\\\"\\\/> la m\\u00e9thode de r\\u00e9f\\u00e9rence pour d\\u00e9tecter les cavit\\u00e9s souterraines\\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\":\"Qu\\u2019est-ce que la microgravim\\u00e9trie ?\\n\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>La <strong>microgravim\\u00e9trie<\\\/strong> est une technique de g\\u00e9ophysique appliqu\\u00e9e reposant sur l\\u2019analyse de variations locales du champ gravitationnel terrestre. Elle permet de rep\\u00e9rer les anomalies de densit\\u00e9 sous la surface, souvent r\\u00e9v\\u00e9latrices de cavit\\u00e9s souterraines, de remblais ou d\\u2019h\\u00e9t\\u00e9rog\\u00e9n\\u00e9it\\u00e9s g\\u00e9ologiques. <br \\\/><br \\\/>Cette m\\u00e9thode, non destructive, consiste \\u00e0 mesurer pr\\u00e9cis\\u00e9ment la valeur locale de g (la pesanteur), qui varie en fonction de la nature et de la compacit\\u00e9 des mat\\u00e9riaux pr\\u00e9sents sous la surface.<\\\/p>\",\"margin\":\"default\",\"text_align\":\"justify\"}}]},{\"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\\\/06\\\/visuel-microgravimetrie-la-methode.jpg\",\"image_alt\":\"Illustration de la microgravim\\u00e9trie\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"image_loading\":true,\"image_svg_color\":\"emphasis\",\"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\":\"Pourquoi utiliser la microgravim\\u00e9trie ?\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">La <strong>microgravim\\u00e9trie<\\\/strong> est particuli\\u00e8rement efficace pour :<\\\/p>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"list\",\"props\":{\"column_breakpoint\":\"m\",\"html_element\":true,\"image_align\":\"left\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"list_element\":\"ol\",\"list_horizontal_separator\":\", \",\"list_marker\":\"decimal\",\"list_marker_color\":\"secondary\",\"list_size\":\"large\",\"list_type\":\"vertical\",\"show_image\":true,\"show_link\":true,\"text_align\":\"justify\"},\"children\":[{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p><strong>D\\u00e9tecter des cavit\\u00e9s<\\\/strong> situ\\u00e9es \\u00e0 faible profondeur (carri\\u00e8res souterraines, marni\\u00e8res, boves, etc.)<\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p><strong>\\u00c9valuer la stabilit\\u00e9 des sols<\\\/strong> en vue de projets d\\u2019am\\u00e9nagement ou de construction<\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p><strong>Identifier des anomalies<\\\/strong> invisibles sans forage initial<\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>Compl\\u00e9ter une <strong>\\u00e9tude g\\u00e9otechnique<\\\/strong> existante<\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>Cibler pr\\u00e9cis\\u00e9ment les <strong>emplacements \\u00e0 forer<\\\/strong> pour v\\u00e9rification<\\\/p>\"}}]}]},{\"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\\\/06\\\/etude-avec-la-methode-de-microgravimetrie-a-lesquin.jpg\",\"image_alt\":\"In\\u00e9genieur des sols en cours d'analyse d'un sol avec la m\\u00e9thode microgravimetrie\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"image_loading\":true,\"image_svg_color\":\"emphasis\",\"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 \\u00e7a fonctionne ?\",\"title_element\":\"h3\",\"title_style\":\"h3\"}},{\"type\":\"fragment\",\"props\":{\"margin\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"padding\":\"xsmall\",\"position_sticky_breakpoint\":\"m\",\"style\":\"card-secondary\"},\"children\":[{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>La <strong>gravim\\u00e9trie<\\\/strong> repose sur une loi simple :<\\\/p>\",\"margin\":\"default\",\"text_color\":\"emphasis\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Plus un sol est dense, plus la pesanteur mesur\\u00e9e est \\u00e9lev\\u00e9e.\\n\\u00c0 l\\u2019inverse, la pr\\u00e9sence d\\u2019un vide (cavit\\u00e9) entra\\u00eene une baisse locale de la pesanteur.<\\\/p>\",\"dropcap\":false,\"margin\":\"default\",\"text_align\":\"justify\",\"text_color\":\"emphasis\",\"text_style\":\"small\"}}]}]}]},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">\\u00c9tapes de l\\u2019analyse microgravim\\u00e9trique :<\\\/p>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"list\",\"props\":{\"column_breakpoint\":\"m\",\"html_element\":true,\"image_align\":\"left\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"list_element\":\"ol\",\"list_horizontal_separator\":\", \",\"list_marker\":\"decimal\",\"list_marker_color\":\"secondary\",\"list_size\":\"large\",\"list_type\":\"vertical\",\"show_image\":true,\"show_link\":true,\"text_align\":\"justify\"},\"children\":[{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>Mesures terrain \\u00e0 l\\u2019aide d\\u2019un <strong>gravim\\u00e8tre de haute pr\\u00e9cision<\\\/strong><\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p><strong>Mod\\u00e9lisation 3D<\\\/strong> des donn\\u00e9es collect\\u00e9es<\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p><strong>Analyse des anomalies<\\\/strong> (zones l\\u00e9g\\u00e8res = suspicion de vide)<\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p><strong>Recommandations<\\\/strong> cibl\\u00e9es pour forage ou v\\u00e9rification<\\\/p>\"}}]}]},{\"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\\\/06\\\/personel-entreprise-gavimep-en-cours-d-analyse-gravimetrique.jpg\",\"image_alt\":\"Employ\\u00e9 de chez Gravimep en cour d'analyse Gravim\\u00e9trique\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"image_loading\":true,\"image_svg_color\":\"emphasis\",\"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\":\"\\u00c0 quoi reconna\\u00eet-on une cavit\\u00e9 ?\\n\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">Une cavit\\u00e9 se manifeste par une zone all\\u00e9g\\u00e9e en surface :\\n<\\\/p>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"list\",\"props\":{\"column_breakpoint\":\"m\",\"html_element\":true,\"icon\":\"grid\",\"icon_color\":\"secondary\",\"image_align\":\"left\",\"image_svg_color\":\"emphasis\",\"image_vertical_align\":true,\"list_element\":\"ol\",\"list_horizontal_separator\":\", \",\"list_marker_color\":\"secondary\",\"list_size\":\"large\",\"list_type\":\"vertical\",\"show_image\":true,\"show_link\":true,\"text_align\":\"justify\"},\"children\":[{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>Galerie abandonn\\u00e9e<\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>Ancienne exploitation souterraine<\\\/p>\"}},{\"type\":\"list_item\",\"props\":{\"content\":\"\n\n<p>Remblai ancien ou vide naturel (karst, doline)<\\\/p>\"}}]},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Ces anomalies sont clairement d\\u00e9tect\\u00e9es par la microgravim\\u00e9trie, permettant de d\\u00e9limiter les zones \\u00e0 risque avant toute construction.\\n\\n<\\\/p>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p>En savoir plus sur notre : <a href=\\\"detection-des-cavites\\\">d\\u00e9tection de cavit\\u00e9s souterraines<\\\/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\\\/06\\\/carte-etude-de-sol-par-microgravimetrie.jpg\",\"image_alt\":\"Carte rapport microgravimetrie\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"image_loading\":true,\"image_svg_color\":\"emphasis\",\"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\":\"Avantages de la microgravim\\u00e9trie\",\"text_align\":\"center\",\"title_decoration\":\"line\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"html\",\"props\":{\"content\":\"\n\n<ul class=\\\"uk-text-center uk-list uk-text-primary\\\">\\n\n\n<li><strong>Non invasive :<\\\/strong> aucune intervention destructrice<\\\/li>\\n\n\n<li><strong>Haute pr\\u00e9cision :<\\\/strong> d\\u00e9tecte des vides \\u00e0 plusieurs m\\u00e8tres de profondeur<\\\/li>\\n\n\n<li><strong>Compl\\u00e9mentaire :<\\\/strong> renforce les \\u00e9tudes de sol classiques<\\\/li>\\n\n\n<li><strong>\\u00c9conomique :<\\\/strong> ciblage optimal des points de forage<\\\/li>\\n\n\n<li><strong>Applicable sur de larges surfaces :<\\\/strong> de quelques ares \\u00e0 plusieurs hectares<\\\/li>\\n<\\\/ul>\\n\"}},{\"type\":\"headline\",\"props\":{\"content\":\"Un savoir-faire \\u00e9prouv\\u00e9 chez GRAVIMEP\\n\",\"text_align\":\"center\",\"title_decoration\":\"line\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Chez GRAVIMEP, nous utilisons cette m\\u00e9thode depuis 1987. Notre \\u00e9quipe d\\u2019experts, dirig\\u00e9e par Ludovic Buchwald, a men\\u00e9 plus de 500 \\u00e9tudes microgravim\\u00e9triques, couvrant tous types de terrains et configurations.\\n<\\\/p>\",\"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\":\"D\\u00e9couvrez notre expertise et historique\",\"dialog_layout\":\"modal\",\"dialog_offcanvas_flip\":true,\"icon\":\"link-external\",\"icon_align\":\"right\",\"link\":\"#\"}},{\"type\":\"button_item\",\"props\":{\"button_style\":\"default\",\"content\":\"Consultez nos zones d\\u2019intervention en Hauts-de-France et ailleurs\",\"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\":\"Besoin d'une \\u00e9tude ?\",\"text_align\":\"center\",\"title_color\":\"emphasis\",\"title_element\":\"h3\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Nous sommes \\u00e0 votre \\u00e9coute 5j\\\/7 de 8h \\u00e0 18h pour vous accompagner dans vos projets de diagnostic de sol, d\\u2019am\\u00e9nagement ou de s\\u00e9curisation de site.<\\\/p>\",\"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\":\"Nous contacter\",\"dialog_layout\":\"modal\",\"dialog_offcanvas_flip\":true,\"icon\":\"users\",\"icon_align\":\"right\",\"link\":\"contact\"}}]}]}]}]}],\"version\":\"4.5.17\"} --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microgravim\u00e9trie : la m\u00e9thode de r\u00e9f\u00e9rence pour d\u00e9tecter les cavit\u00e9s souterraines Qu\u2019est-ce que la microgravim\u00e9trie ? La microgravim\u00e9trie est une technique de g\u00e9ophysique appliqu\u00e9e reposant sur l\u2019analyse de variations locales du champ gravitationnel terrestre. Elle permet de rep\u00e9rer les anomalies de densit\u00e9 sous la surface, souvent r\u00e9v\u00e9latrices de cavit\u00e9s souterraines, de remblais ou d\u2019h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9s g\u00e9ologiques. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-72","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/72","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=72"}],"version-history":[{"count":18,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/72\/revisions"}],"predecessor-version":[{"id":542,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/72\/revisions\/542"}],"wp:attachment":[{"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/media?parent=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}