{"id":152,"date":"2025-05-15T18:51:51","date_gmt":"2025-05-15T16:51:51","guid":{"rendered":"https:\/\/versionbeta.ovh\/gravimep\/?page_id=152"},"modified":"2025-07-07T10:44:53","modified_gmt":"2025-07-07T08:44:53","slug":"definition-et-principe-de-la-microgravimetrie","status":"publish","type":"page","link":"https:\/\/versionbeta.ovh\/gravimep\/microgravimetrie-la-methode-de-reference\/definition-et-principe-de-la-microgravimetrie\/","title":{"rendered":"D\u00e9finition et principe de la microgravim\u00e9trie"},"content":{"rendered":"<h1>D\u00e9finition et principe de la microgravim\u00e9trie<\/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 m\u00e9thode de <strong>prospection g\u00e9ophysique non invasive<\/strong> qui permet de mesurer avec une tr\u00e8s grande pr\u00e9cision les <strong>variations locales du champ gravitationnel terrestre<\/strong>. Ces variations sont directement li\u00e9es aux <strong>diff\u00e9rences de densit\u00e9 des mat\u00e9riaux situ\u00e9s sous la surface<\/strong>. <\/p>\n<p>En d\u2019autres termes, cette technique permet de \u201cvoir\u201d les <strong>anomalies souterraines sans creuser<\/strong>, en d\u00e9tectant les endroits o\u00f9 le sol est plus l\u00e9ger ou plus dense que la normale.<\/p>\n<\/div>\n<h2>Quel est le principe physique utilis\u00e9 ?<\/h2>\n<div>\n<p class=\"uk-text-bold uk-text-secondary\">La gravit\u00e9 terrestre (not\u00e9e g) varie tr\u00e8s l\u00e9g\u00e8rement selon la <strong>composition du sous-sol<\/strong>.<\/p>\n<ol class=\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\">\n<li class=\"el-item\">Un <strong>sol compact et dense<\/strong> produit une gravit\u00e9 l\u00e9g\u00e8rement plus forte.<\/li>\n<li class=\"el-item\">Une <strong>cavit\u00e9 vide<\/strong> ou un <strong>remblai l\u00e9ger<\/strong> entra\u00eene une baisse locale de cette pesanteur.<\/li>\n<\/ol>\n<p class=\"uk-text-bold\">Ces micro-variations sont d\u00e9tect\u00e9es \u00e0 l\u2019aide d\u2019un <strong>gravim\u00e8tre de pr\u00e9cision<\/strong> et sont ensuite mod\u00e9lis\u00e9es pour <strong>cartographier les anomalies<\/strong> du sous-sol.<\/p>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/06\/equipe-terrain-avec-un-gravimetre.jpg\" alt=\"Deux techniciens des sols en cours d'analyse \u00e0 l'aide d'un gravim\u00e8tre\"><\/p>\n<h2>Comment s\u2019interpr\u00e8te une anomalie gravim\u00e9trique ?<\/h2>\n<div>\n<p class=\"uk-text-bold uk-text-secondary\">Une anomalie n\u00e9gative (zone plus l\u00e9g\u00e8re) peut signaler :<\/p>\n<ul class=\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\">\n<li class=\"el-item\">Une <strong>cavit\u00e9 naturelle<\/strong> (karst, doline, gouffre)<\/li>\n<li class=\"el-item\">Une <strong>galerie anthropique<\/strong> (marni\u00e8re, tunnel, catiche)<\/li>\n<li class=\"el-item\">Un <strong>remblai compact\u00e9 partiellement<\/strong><\/li>\n<\/ul>\n<p class=\"uk-text-bold uk-text-secondary\">\u00c0 l\u2019inverse, une anomalie positive (zone plus dense) peut refl\u00e9ter :<\/p>\n<ul class=\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\">\n<li class=\"el-item\">Une <strong>inclusion rocheuse dense<\/strong><\/li>\n<li class=\"el-item\">Un sol sain et compact<\/li>\n<\/ul>\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>Applications concr\u00e8tes du principe gravim\u00e9trique<\/h2>\n<div>\n<p class=\"uk-text-bold uk-text-secondary\">La microgravim\u00e9trie est utilis\u00e9e dans de nombreux domaines :<\/p>\n<ul class=\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\">\n<li class=\"el-item\">\u00c9tudes g\u00e9otechniques avant construction<\/li>\n<li class=\"el-item\">Diagnostic de cavit\u00e9s sous des b\u00e2timents anciens<\/li>\n<li class=\"el-item\">Pr\u00e9vention des effondrements de sol<\/li>\n<li class=\"el-item\">\u00c9tudes pour les projets \u00e9oliens ou d\u2019am\u00e9nagement<\/li>\n<\/ul>\n<\/div>\n<div>\n<div>\n<p>Voir toutes les : <a href=\"\/gravimep\/applications\">Applications de la microgravim\u00e9trie<\/a><\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/07\/etude-des-sols-en-gravimetrie-1.jpg\" alt=\"G\u00e9om\u00e8tre avec un casque orange en cours d'analyse des sols\"><\/p>\n<h3>Une m\u00e9thode fiable, pr\u00e9cise et \u00e9prouv\u00e9e<\/p>\n<\/h3>\n<div>\n<p class=\"uk-text-bold uk-text-secondary\">Depuis 1987, GRAVIMEP a r\u00e9alis\u00e9 plus de 500 \u00e9tudes microgravim\u00e9triques \u00e0 travers la France.<br \/>\nNotre expertise repose sur :<\/p>\n<ul class=\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\">\n<li class=\"el-item\">Des instruments de haute pr\u00e9cision<\/li>\n<li class=\"el-item\">Des m\u00e9thodologies \u00e9prouv\u00e9es<\/li>\n<li class=\"el-item\">Une lecture rigoureuse des donn\u00e9es sur le terrain<\/li>\n<\/ul>\n<\/div>\n<div>\n<div>\n<p>Consultez nos : <a href=\"\/gravimep\/microgravimetrie.html\">\u00e9tudes de cas et r\u00e9alisations<\/a><\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"\/gravimep\/wp-content\/uploads\/2025\/06\/etude-de-chaussee-a-l-aide-de-la-microgravimetrie.jpg\" alt=\"Deux ing\u00e9nieurs \u00e9tudiant une chauss\u00e9e avec le gravim\u00e8tre\"><\/p>\n<h2>Besoin d\u2019un diagnostic sur votre terrain ?<br \/>\n<\/h2>\n<div>\n<p>Notre \u00e9quipe vous accompagne pour <strong>\u00e9valuer les risques li\u00e9s \u00e0 la pr\u00e9sence de cavit\u00e9s<\/strong>, vous conseiller et vous proposer une strat\u00e9gie de diagnostic efficace.<\/p>\n<\/div>\n<p><p>\n        <a href=\"\/gravimep\/contact\/\">Contactez-nous pour une demande d\u2019\u00e9tude<\/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\":\"D\\u00e9finition et principe de la microgravim\\u00e9trie\\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\":{\"width\":\"small\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"padding\":\"xsmall\",\"position_sticky_breakpoint\":\"m\",\"style\":\"card-default\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Qu\\u2019est-ce que la microgravim\\u00e9trie ?\\n\",\"text_align\":\"center\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>La <strong>microgravim\\u00e9trie<\\\/strong> est une m\\u00e9thode de <strong>prospection g\\u00e9ophysique non invasive<\\\/strong> qui permet de mesurer avec une tr\\u00e8s grande pr\\u00e9cision les <strong>variations locales du champ gravitationnel terrestre<\\\/strong>. Ces variations sont directement li\\u00e9es aux <strong>diff\\u00e9rences de densit\\u00e9 des mat\\u00e9riaux situ\\u00e9s sous la surface<\\\/strong>. <br \\\/><br \\\/>En d\\u2019autres termes, cette technique permet de \\u201cvoir\\u201d les <strong>anomalies souterraines sans creuser<\\\/strong>, en d\\u00e9tectant les endroits o\\u00f9 le sol est plus l\\u00e9ger ou plus dense que la normale.<\\\/p>\",\"margin\":\"default\",\"text_align\":\"justify\"}}]}]},{\"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\":\"Quel est le principe physique utilis\\u00e9 ?\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">La gravit\\u00e9 terrestre (not\\u00e9e g) varie tr\\u00e8s l\\u00e9g\\u00e8rement selon la <strong>composition du sous-sol<\\\/strong>.<\\\/p>\\n\n\n<ol class=\\\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\\\">\\n\n\n<li class=\\\"el-item\\\">Un <strong>sol compact et dense<\\\/strong> produit une gravit\\u00e9 l\\u00e9g\\u00e8rement plus forte.<\\\/li>\\n\n\n<li class=\\\"el-item\\\">Une <strong>cavit\\u00e9 vide<\\\/strong> ou un <strong>remblai l\\u00e9ger<\\\/strong> entra\\u00eene une baisse locale de cette pesanteur.<\\\/li>\\n<\\\/ol>\\n\n\n<p class=\\\"uk-text-bold\\\">Ces micro-variations sont d\\u00e9tect\\u00e9es \\u00e0 l\\u2019aide d\\u2019un <strong>gravim\\u00e8tre de pr\\u00e9cision<\\\/strong> et sont ensuite mod\\u00e9lis\\u00e9es pour <strong>cartographier les anomalies<\\\/strong> du sous-sol.<\\\/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\\\/equipe-terrain-avec-un-gravimetre.jpg\",\"image_alt\":\"Deux techniciens des sols en cours d'analyse \\u00e0 l'aide d'un gravim\\u00e8tre\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"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 s\\u2019interpr\\u00e8te une anomalie gravim\\u00e9trique ?\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">Une anomalie n\\u00e9gative (zone plus l\\u00e9g\\u00e8re) peut signaler :<\\\/p>\\n\n\n<ul class=\\\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\\\">\\n\n\n<li class=\\\"el-item\\\">Une <strong>cavit\\u00e9 naturelle<\\\/strong> (karst, doline, gouffre)<\\\/li>\\n\n\n<li class=\\\"el-item\\\">Une <strong>galerie anthropique<\\\/strong> (marni\\u00e8re, tunnel, catiche)<\\\/li>\\n\n\n<li class=\\\"el-item\\\">Un <strong>remblai compact\\u00e9 partiellement<\\\/strong><\\\/li>\\n<\\\/ul>\\n\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">\\u00c0 l\\u2019inverse, une anomalie positive (zone plus dense) peut refl\\u00e9ter :<\\\/p>\\n\n\n<ul class=\\\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\\\">\\n\n\n<li class=\\\"el-item\\\">Une <strong>inclusion rocheuse dense<\\\/strong><\\\/li>\\n\n\n<li class=\\\"el-item\\\">Un sol sain et compact<\\\/li>\\n<\\\/ul>\",\"margin\":\"default\",\"text_align\":\"justify\"}}]},{\"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_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\":\"Applications concr\\u00e8tes du principe gravim\\u00e9trique\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">La microgravim\\u00e9trie est utilis\\u00e9e dans de nombreux domaines :<\\\/p>\\n\n\n<ul class=\\\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\\\">\\n    \n\n<li class=\\\"el-item\\\">\\u00c9tudes g\\u00e9otechniques avant construction<\\\/li>\\n    \n\n<li class=\\\"el-item\\\">Diagnostic de cavit\\u00e9s sous des b\\u00e2timents anciens<\\\/li>\\n    \n\n<li class=\\\"el-item\\\">Pr\\u00e9vention des effondrements de sol<\\\/li>\\n    \n\n<li class=\\\"el-item\\\">\\u00c9tudes pour les projets \\u00e9oliens ou d\\u2019am\\u00e9nagement<\\\/li>\\n<\\\/ul>\\n\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p>Voir toutes les : <a href=\\\"applications\\\">Applications de la 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\\\/etude-des-sols-en-gravimetrie-1.jpg\",\"image_alt\":\"G\\u00e9om\\u00e8tre avec un casque orange en cours d'analyse des sols\",\"image_height\":600,\"image_svg_color\":\"emphasis\",\"image_width\":600,\"margin\":\"default\"}}]}]},{\"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\":\"Une m\\u00e9thode fiable, pr\\u00e9cise et \\u00e9prouv\\u00e9e\\n\\n\\n\",\"title_element\":\"h3\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p class=\\\"uk-text-bold uk-text-secondary\\\">Depuis 1987, GRAVIMEP a r\\u00e9alis\\u00e9 plus de 500 \\u00e9tudes microgravim\\u00e9triques \\u00e0 travers la France.\\nNotre expertise repose sur :\\n\\n<\\\/p>\\n\n\n<ul class=\\\"uk-list uk-list-circle uk-list-secondary uk-list-large uk-margin-remove\\\">\\n    \n\n<li class=\\\"el-item\\\">Des instruments de haute pr\\u00e9cision<\\\/li>\\n    \n\n<li class=\\\"el-item\\\">Des m\\u00e9thodologies \\u00e9prouv\\u00e9es<\\\/li>\\n    \n\n<li class=\\\"el-item\\\">Une lecture rigoureuse des donn\\u00e9es sur le terrain<\\\/li>\\n<\\\/ul>\",\"margin\":\"default\",\"text_align\":\"justify\"}},{\"type\":\"panel\",\"props\":{\"content\":\"\n\n<p>Consultez nos : <a href=\\\"microgravimetrie.html\\\">\\u00e9tudes de cas et r\\u00e9alisations<\\\/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\\\/etude-de-chaussee-a-l-aide-de-la-microgravimetrie.jpg\",\"image_alt\":\"Deux ing\\u00e9nieurs \\u00e9tudiant une chauss\\u00e9e avec le gravim\\u00e8tre\",\"image_border\":\"rounded\",\"image_box_decoration\":\"secondary\",\"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\":\"Besoin d\\u2019un diagnostic sur votre terrain ?\\n\",\"text_align\":\"center\",\"title_decoration\":\"line\",\"title_element\":\"h2\",\"title_style\":\"h3\"}},{\"type\":\"text\",\"props\":{\"column_breakpoint\":\"m\",\"content\":\"\n\n<p>Notre \\u00e9quipe vous accompagne pour <strong>\\u00e9valuer les risques li\\u00e9s \\u00e0 la pr\\u00e9sence de cavit\\u00e9s<\\\/strong>, vous conseiller et vous proposer une strat\\u00e9gie de diagnostic efficace.<\\\/p>\",\"margin\":\"default\",\"text_align\":\"center\",\"text_color\":\"emphasis\"}},{\"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\":\"Contactez-nous pour une demande d\\u2019\\u00e9tude\",\"dialog_layout\":\"modal\",\"dialog_offcanvas_flip\":true,\"icon\":\"link-external\",\"icon_align\":\"right\",\"link\":\"contact\\\/\"}}]}]}]}]}],\"version\":\"4.5.21\"} --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9finition et principe de la microgravim\u00e9trie Qu\u2019est-ce que la microgravim\u00e9trie ? La microgravim\u00e9trie est une m\u00e9thode de prospection g\u00e9ophysique non invasive qui permet de mesurer avec une tr\u00e8s grande pr\u00e9cision les variations locales du champ gravitationnel terrestre. Ces variations sont directement li\u00e9es aux diff\u00e9rences de densit\u00e9 des mat\u00e9riaux situ\u00e9s sous la surface. En d\u2019autres termes, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":72,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-152","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/152","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=152"}],"version-history":[{"count":13,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/152\/revisions"}],"predecessor-version":[{"id":505,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/152\/revisions\/505"}],"up":[{"embeddable":true,"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/pages\/72"}],"wp:attachment":[{"href":"https:\/\/versionbeta.ovh\/gravimep\/wp-json\/wp\/v2\/media?parent=152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}