{"id":9350,"date":"2022-07-24T07:07:54","date_gmt":"2022-07-24T07:07:54","guid":{"rendered":"https:\/\/www.geoquest-group.fr\/le-record-mondial-dessais-de-digues-confirme-la-capacite-dinnovation-et-le-leadership-de-terre-armee-dans-le-domaine-de-linteraction-sol-structure\/"},"modified":"2025-02-06T12:19:12","modified_gmt":"2025-02-06T12:19:12","slug":"le-record-mondial-dessais-de-digues-confirme-la-capacite-dinnovation-et-le-leadership-de-terre-armee-dans-le-domaine-de-linteraction-sol-structure","status":"publish","type":"post","link":"https:\/\/www.geoquest-group.fr\/le-record-mondial-dessais-de-digues-confirme-la-capacite-dinnovation-et-le-leadership-de-terre-armee-dans-le-domaine-de-linteraction-sol-structure\/","title":{"rendered":"Le record mondial d&rsquo;essais de digues confirme la capacit\u00e9 d&rsquo;innovation et le leadership de Geoquest dans le domaine de l&rsquo;interaction sol-structure."},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;--awb-margin-top:0px;--awb-margin-bottom:0px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-video fusion-youtube fusion-aligncenter\" style=\"--awb-max-width:600px;--awb-max-height:360px;--awb-width:100%;\"><div class=\"video-shortcode\"><div class=\"fluid-width-video-wrapper\" style=\"padding-top:60%;\" ><iframe title=\"YouTube video player 1\" src=\"https:\/\/www.youtube.com\/embed\/89xsdFJD3Cg?wmode=transparent&autoplay=0\" width=\"600\" height=\"360\" allowfullscreen allow=\"autoplay; fullscreen\"><\/iframe><\/div><\/div><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-text fusion-text-1\"><h2>Le merlon pare-blocs  Terre Arm\u00e9e\u00ae r\u00e9siste \u00e0 un impact de 5000 KJ<\/h2>\n<h3><strong>Trois ann\u00e9es de recherche soumises \u00e0 quelques secondes de v\u00e9rit\u00e9<\/strong><\/h3>\n<p>L&rsquo;excitation \u00e9tait palpable sur le site d&rsquo;essai d&rsquo;\u00e9boulement de Montagnole, pr\u00e8s de Lyon, en France, le 16 juin.<\/p>\n<p>Trois ann\u00e9es de recherche collaborative combinant l&rsquo;expertise des \u00e9quipes de Geoquest et de l&rsquo;<a href=\"https:\/\/www.univ-gustave-eiffel.fr\/\">Universit\u00e9 Gustave Eiffel<\/a> (anciennement IFFSTAR) ont \u00e9t\u00e9 distill\u00e9es en un instant d\u00e9cisif d&rsquo;\u00e0 peine cinq secondes.<\/p>\n<p>La pr\u00e9misse de la th\u00e8se et le faisceau de protection contre les chutes de pierres particuli\u00e8rement mince utilisant la technique <a href=\"https:\/\/www.geoquest-group.fr\/reinforced-earth\/reinforced-earth-mechnically-stabilized-earth\/\">Terre Arm\u00e9e\u00ae<\/a> allaient soit se briser, soit r\u00e9sister \u00e0 l&rsquo;\u00e9preuve.<\/p>\n<p>Plus d&rsquo;une douzaine de personnes se tenaient debout et regardaient en retenant leur souffle lorsque le bloc g\u00e9ant de 12,4 tonnes a \u00e9t\u00e9 lib\u00e9r\u00e9 de la grue \u00e0 41 m de hauteur avec un cliquetis, puis a frapp\u00e9 la structure quelques secondes plus tard, \u00e0 pas moins de 103 km\/h, entra\u00eenant un impact de 5,1 m\u00e9gajoules.<\/p>\n<p>Ils ont vu leur dur labeur r\u00e9compens\u00e9 par une digue solidement pos\u00e9e, le gros bloc &#8211; plus grand qu&rsquo;un adulte &#8211; paraissant maintenant minuscule en comparaison, fermement ancr\u00e9 dans la digue de 15 m x 3 m x 6 m.<\/p>\n<\/p>\n<p><div id=\"attachment_8877\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-8877\" class=\"lazyload wp-image-4722 size-medium\" src=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-300x201.jpg\" data-orig-src=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-300x201.jpg\" alt=\"\" width=\"300\" height=\"201\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27201%27%20viewBox%3D%270%200%20300%20201%27%3E%3Crect%20width%3D%27300%27%20height%3D%27201%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-200x134.jpg 200w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-300x201.jpg 300w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-400x267.jpg 400w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-600x401.jpg 600w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-768x513.jpg 768w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-800x535.jpg 800w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund-1024x685.jpg 1024w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_team_test_rockfall_bund.jpg 1056w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-8877\" class=\"wp-caption-text\"><span style=\"font-size: 8pt\">Les \u00e9quipes de Geoquest et de l&rsquo;UGE r\u00e9agissent au succ\u00e8s de leur projet<\/span><\/p><\/div> <div id=\"attachment_8876\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-8876\" class=\"lazyload wp-image-4721 size-medium\" src=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-300x225.jpg\" data-orig-src=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%27225%27%20viewBox%3D%270%200%20300%20225%27%3E%3Crect%20width%3D%27300%27%20height%3D%27225%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-200x150.jpg 200w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-300x225.jpg 300w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-400x300.jpg 400w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-600x450.jpg 600w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-768x576.jpg 768w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-800x600.jpg 800w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-1024x768.jpg 1024w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-1200x900.jpg 1200w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_postimpact-1-1536x1152.jpg 1536w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-8876\" class=\"wp-caption-text\"><span style=\"font-size: 8pt\">La structure tient fermement apr\u00e8s un impact de 5,1 m\u00e9gajoules.<\/span><\/p><\/div><\/p>\n<h3><strong>Un impact record sur un ouvrage de protection contre les chutes de pierres en sol renforc\u00e9<\/strong><\/h3>\n<p>Ce test, moment important dans l&rsquo;histoire de Geoquest, a permis de confirmer un record mondial en termes d&rsquo;impact d&rsquo;une botte \u00e0 empreinte r\u00e9duite.<\/p>\n<p>Une structure tr\u00e8s mince a \u00e9t\u00e9 test\u00e9e avec un impact repr\u00e9sentant plus de 5000 kilojoules, repoussant les limites connues de l&rsquo;interaction sol-structure \u00e0 un nouveau niveau.<\/p>\n<p>Apr\u00e8s trois ans de travaux de recherche, de d\u00e9veloppement et d&rsquo;innovation avec l&rsquo;Universit\u00e9 Gustave Eiffel, Geoquest a mis au point une solution conceptuelle \u00e9prouv\u00e9e pour les bacs de protection contre les chutes de pierres en sol renforc\u00e9 lorsque les contraintes du site exigent un faible encombrement, r\u00e9volutionnant ainsi le march\u00e9 des <a href=\"https:\/\/www.geoquest-group.fr\/reinforced-earth\/protective-barriers\/\">structures de protection<\/a>.<\/p>\n<p>En collaboration avec d&rsquo;autres partenaires, un nouveau type d&rsquo;installation d&rsquo;essai a \u00e9t\u00e9 mis en place sur le site d&rsquo;essai de l&rsquo;universit\u00e9 pr\u00e8s de Chamb\u00e9ry, en France.<\/p>\n<p>Une s\u00e9rie d&rsquo;impacts suppl\u00e9mentaires a d\u00e9montr\u00e9 la robustesse de la solution \u00e9tudi\u00e9e au-del\u00e0 du test effectu\u00e9 par Geoquest en juin 2020.<\/p>\n<\/p>\n<div id=\"attachment_8875\" style=\"width: 235px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-8875\" class=\"lazyload wp-image-4713 size-medium\" src=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-225x300.jpg\" data-orig-src=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27225%27%20height%3D%27300%27%20viewBox%3D%270%200%20225%20300%27%3E%3Crect%20width%3D%27225%27%20height%3D%27300%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-200x267.jpg 200w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-225x300.jpg 225w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-400x533.jpg 400w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-600x800.jpg 600w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-768x1024.jpg 768w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-800x1067.jpg 800w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-1152x1536.jpg 1152w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-1200x1600.jpg 1200w, https:\/\/www.geoquest-group.fr\/wp-content\/uploads\/sites\/13\/2020\/06\/TerreArmee_rockfall_bund_test_preimpact-rotated.jpg 1512w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 225px) 100vw, 225px\" \/><p id=\"caption-attachment-8875\" class=\"wp-caption-text\"><span style=\"font-size: 8pt\">Le dispositif d&rsquo;essai \u00e0 Chamb\u00e9ry France<\/span><\/p><\/div>\n<h3><strong>Bacs de protection contre les chutes de pierres : une excellente alternative aux filets, cl\u00f4tures et barri\u00e8res. <\/strong><\/h3>\n<p>Gr\u00e2ce \u00e0 son encombrement tr\u00e8s limit\u00e9 et \u00e0 sa grande capacit\u00e9 \u00e0 r\u00e9sister \u00e0 des impacts multiples \u00e0 haute \u00e9nergie, cette solution d&rsquo;enrochement s&rsquo;adapte facilement aux contraintes du site.<\/p>\n<p>Une s\u00e9rie de tests et des mod\u00e8les num\u00e9riques bien calibr\u00e9s ont abouti \u00e0 une nouvelle <a href=\"https:\/\/www.geoquest-group.fr\/about\/innovation\/\">capacit\u00e9 de conception interne<\/a>.<\/p>\n<p>La r\u00e9duction de la valeur de l&#8217;empreinte au sol ouvre la possibilit\u00e9 d&rsquo;utiliser les bacs dans des applications qui n\u00e9cessiteraient normalement des barri\u00e8res de protection contre les chutes de pierres, ce qui positionne cette solution comme une alternative rentable, \u00e0 faible entretien et esth\u00e9tique.<\/p>\n<p>Les nombreux avantages des bacs d&rsquo;\u00e9boulement en terre stabilis\u00e9e m\u00e9caniquement Terre Arm\u00e9e\u00ae sont les suivants :<\/p>\n<ul>\n<li>Les contraintes du site exigent g\u00e9n\u00e9ralement des solutions \u00e0 l&#8217;empreinte tr\u00e8s limit\u00e9e et donc des solutions \u00e0 faible d\u00e9formation apr\u00e8s impact. Tout en maintenant une absorption d&rsquo;\u00e9nergie tr\u00e8s \u00e9lev\u00e9e, notre bac \u00e0 face verticale double face r\u00e9pondra aux probl\u00e8mes de droit de passage. Cette conception unique et brevet\u00e9e offrira au march\u00e9 une nouvelle alternative.<\/li>\n<li>La structure peut supporter de multiples impacts extr\u00eames sans compromettre sa stabilit\u00e9 ni le niveau de protection attendu. Le sol artificiel ainsi que l&rsquo;interaction sol-structure rendent la structure tr\u00e8s r\u00e9siliente.<\/li>\n<li>Les digues de terre renforc\u00e9es permettent de g\u00e9rer facilement les actifs et de r\u00e9aliser des \u00e9conomies. Les syst\u00e8mes de barri\u00e8res n\u00e9cessitent d&rsquo;importantes op\u00e9rations d&rsquo;inspection et de maintenance. Le niveau de s\u00e9curit\u00e9 des barri\u00e8res souples peut \u00eatre compromis par les conditions ext\u00e9rieures et la d\u00e9t\u00e9rioration dans le temps caus\u00e9e par la corrosion.<\/li>\n<li>En cas d&rsquo;impacts au niveau de l&rsquo;\u00e9nergie de service, une r\u00e9paration facile et l\u00e9g\u00e8re des composants de la peau peut \u00eatre effectu\u00e9e tout en r\u00e9tablissant la performance initiale d&rsquo;absorption d&rsquo;\u00e9nergie. Le retrait des \u00e9l\u00e9ments du bloc peut se faire en toute s\u00e9curit\u00e9. Si n\u00e9cessaire, une r\u00e9habilitation compl\u00e8te de la section est \u00e9galement possible en cas d&rsquo;impacts s\u00e9v\u00e8res r\u00e9p\u00e9t\u00e9s.<\/li>\n<li>La solution peut \u00eatre construite en r\u00e9utilisant des mat\u00e9riaux disponibles localement. Respectueux de l&rsquo;environnement par nature, la structure du sol se fond dans l&rsquo;environnement et \u00e9limine le risque que pr\u00e9sentent les filets pour les animaux.<\/li>\n<li>Les bacs d&rsquo;\u00e9boulement sont facilement modulables. La structure peut \u00eatre con\u00e7ue et optimis\u00e9e pour r\u00e9pondre aux besoins \u00e9nerg\u00e9tiques sp\u00e9cifiques du projet.<\/li>\n<li>Si les exigences d&rsquo;un projet \u00e9voluent avec le temps, la digue de terre peut \u00eatre facilement mise \u00e0 niveau pour obtenir une hauteur d&rsquo;interception plus \u00e9lev\u00e9e et une meilleure r\u00e9sistance aux impacts. Le co\u00fbt de la mise \u00e0 niveau reste avantageux par rapport \u00e0 d&rsquo;autres syst\u00e8mes qui n\u00e9cessitent une d\u00e9molition et une reconstruction compl\u00e8tes.<\/li>\n<li>Nous proposons des structures esth\u00e9tiques qui s&rsquo;int\u00e8grent \u00e0 l&rsquo;environnement local. Il est possible de choisir une face min\u00e9rale\/de pierre ou des pentes raides vertes pour s&rsquo;adapter au paysage local.<\/li>\n<\/ul>\n<h3><strong>La technique de la Terre Renforc\u00e9e<\/strong><strong>technique \u00ae : des solutions bien au-del\u00e0 des murs de sout\u00e8nement et des cul\u00e9es de pont<\/strong><\/h3>\n<p>Les possibilit\u00e9s de la technologie Terre Arm\u00e9e\u00ae, invent\u00e9e par le fondateur de Geoquest, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Henri_Vidal_%28engineer%29\">Henri Vidal<\/a>, il y a presque six d\u00e9cennies, vont, sont loin d&rsquo;avoir \u00e9t\u00e9 explor\u00e9es.<\/p>\n<p>Si les march\u00e9s traditionnels de Geoquest sont les <a href=\"https:\/\/www.geoquest-group.fr\/reinforced-earth\/retaining-walls\/\">murs de sout\u00e8nement<\/a> et les <a href=\"https:\/\/www.geoquest-group.fr\/reinforced-earth\/bridge-abutments\/\">cul\u00e9es de pont<\/a>, de nombreuses autres applications doivent encore b\u00e9n\u00e9ficier de cette invention ing\u00e9nieuse.<\/p>\n<p>Le test du ballot confirme la formidable r\u00e9sistance des structures en terre renforc\u00e9e\u00ae non seulement aux charges statiques mais aussi aux impacts dynamiques.<\/p>\n<\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":8877,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[188,52,30],"tags":[],"class_list":["post-9350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company","category-news","category-ta"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L&#039;essai d&#039;un merlon pare-blocs record du monde confirme la capacit\u00e9 d&#039;innovation de Geoquest<\/title>\n<meta name=\"description\" content=\"L&#039;excitation \u00e9tait palpable sur le site d&#039;essais d&#039;\u00e9boulement de Montagnole, pr\u00e8s de Lyon, le 16 juin dernier. 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