{"id":769,"date":"2015-07-21T15:49:15","date_gmt":"2015-07-21T15:49:15","guid":{"rendered":"http:\/\/ground.geophysicsgpr.com\/?page_id=769"},"modified":"2017-02-28T21:05:41","modified_gmt":"2017-02-28T21:05:41","slug":"resonance","status":"publish","type":"page","link":"https:\/\/ground.geophysicsgpr.com\/fr\/techniques-de-geophysique-terrestre\/methodes-sismiques-de-geophysique\/resonance","title":{"rendered":"R\u00e9sonance"},"content":{"rendered":"<div id=\"pl-769\"  class=\"panel-layout\" ><div id=\"pg-769-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-769-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-769-0-0-0\" 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-769-0-0-0\" ><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>La sismique r\u00e9sonance ou TISAR (Testing &amp; Imaging utilisant la R\u00e9sonance Sismique Acoustique) est une technique bas\u00e9e sur l'analyse de la fr\u00e9quence des enregistrements sismiques. Un lev\u00e9 de sismique r\u00e9sonance consiste \u00e0 provoquer des vibrations de fr\u00e9quences ad\u00e9quates en surface et \u00e0 enregistrer les r\u00e9sonances sismiques dans le temps, \u00e0 l'aide de capteurs sp\u00e9cifiques. Les diff\u00e9rentes r\u00e9sonances sont produites aux changements d'\u00e9lasticit\u00e9 et\/ou de densit\u00e9 aux fronti\u00e8res des couches g\u00e9ologiques et fissures \u00e0 l'int\u00e9rieur du roc. Le traitement des donn\u00e9es permet de r\u00e9aliser des imageries g\u00e9ologiques, et n\u00e9cessite l'utilisation de calibrations, telles les r\u00e9sultats de sismique r\u00e9fraction. La m\u00e9thode a d\u00e9montr\u00e9 une efficacit\u00e9 pour des profondeurs inf\u00e9rieures \u00e0 0,1 m - dans le cadre d'essais structuraux pour le b\u00e9ton et l'asphalte - jusqu'\u00e0 d'autres allant \u00e0 plus de 100 m, lors d'investigations g\u00e9ologiques.<\/p>\n<p><b>Les applications de r\u00e9sonance sismique comprennent:<\/b><\/p>\n<ul>\n<li>La cartographie \u00e0 haute r\u00e9solution des d\u00e9p\u00f4ts meubles telle que l'identification de sills graveleux \u00e0 l'int\u00e9rieur de tills argileux;<\/li>\n<li>La cartographie de zones de fractures et de vides dans le roc;<\/li>\n<li>L'obtention d'un profil du roc enfoui;<\/li>\n<li>Le profilage de la stratigraphie des d\u00e9p\u00f4ts meubles;<\/li>\n<li>La localisation des fractures minces et profondes dans le roc.<\/li>\n<\/ul>\n<h2 class=\"h2resize\">Lev\u00e9 de sismique r\u00e9sonance<\/h2>\n<p>La sismique r\u00e9sonance permet d'obtenir une tr\u00e8s haute r\u00e9solution en faibles profondeurs, mais ne permet pas l'investigation \u00e0 grandes profondeurs. Des m\u00e9thodes g\u00e9ophysiques compl\u00e9mentaires peuvent alors \u00eatre envisag\u00e9es, telles la sismique r\u00e9flexion et la tomographie sismique.<\/p>\n<p>\u00a0<\/p>\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<p>\u00a0<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pgc-769-0-1\"  class=\"panel-grid-cell\" ><div id=\"panel-769-0-1-0\" 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-769-0-1-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-769\"\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\/resonance-geophysique-terrestre.jpg\" width=\"1224\" height=\"1632\" srcset=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/resonance-geophysique-terrestre.jpg 1224w, https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/resonance-geophysique-terrestre-225x300.jpg 225w, https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/resonance-geophysique-terrestre-768x1024.jpg 768w\" sizes=\"auto, (max-width: 1224px) 100vw, 1224px\" title=\"Technique de R\u00e9sonance\" alt=\"Technique de R\u00e9sonance\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-769-1\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-769-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-769-1-0-0\" 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-769-1-0-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-769\"\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_Seismic_Resonance1.png\" width=\"600\" height=\"268\" srcset=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Seismic_Resonance1.png 600w, https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Seismic_Resonance1-300x134.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" title=\"Ground Techniques Seismic Resonance\" alt=\"Ground Techniques Seismic Resonance\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><\/div><div id=\"pgc-769-1-1\"  class=\"panel-grid-cell\" ><div id=\"panel-769-1-1-0\" class=\"so-panel widget widget_sow-image panel-first-child panel-last-child\" data-index=\"3\" ><div class=\"panel-widget-style panel-widget-style-for-769-1-1-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-769\"\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_Seismic_Resonance_211.png\" width=\"600\" height=\"268\" srcset=\"https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Seismic_Resonance_211.png 600w, https:\/\/ground.geophysicsgpr.com\/wp-content\/uploads\/sites\/7\/2015\/07\/Ground_Techniques_Seismic_Resonance_211-300x134.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" title=\"Ground Techniques Seismic Resonance Graph\" alt=\"Ground Techniques Seismic Resonance Graph\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>La sismique r\u00e9sonance ou TISAR (Testing &amp; Imaging utilisant la R\u00e9sonance Sismique Acoustique) est une technique bas\u00e9e sur l&rsquo;analyse de la fr\u00e9quence des enregistrements sismiques. Un lev\u00e9 de sismique r\u00e9sonance consiste \u00e0 provoquer des vibrations de fr\u00e9quences ad\u00e9quates en surface et \u00e0 enregistrer les r\u00e9sonances sismiques dans le temps, \u00e0 l&rsquo;aide de capteurs sp\u00e9cifiques. Les&#8230;  <a href=\"https:\/\/ground.geophysicsgpr.com\/fr\/techniques-de-geophysique-terrestre\/methodes-sismiques-de-geophysique\/resonance\" class=\"more-link\" title=\"Read R\u00e9sonance\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":1118,"parent":735,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-full-width.php","meta":{"content-type":"","footnotes":""},"class_list":["post-769","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/769","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=769"}],"version-history":[{"count":1,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/769\/revisions"}],"predecessor-version":[{"id":3005,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/769\/revisions\/3005"}],"up":[{"embeddable":true,"href":"https:\/\/ground.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/735"}],"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=769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}