{"id":4119,"date":"2014-11-05T11:41:04","date_gmt":"2014-11-05T10:41:04","guid":{"rendered":"http:\/\/dpubma.univ-annaba.dz\/?p=4119"},"modified":"2014-11-05T11:44:54","modified_gmt":"2014-11-05T10:44:54","slug":"comportement-differe-des-marnes-du-tunnel-darbus-france-soumises-a-des-essais-de-fluage-et-de-gonflement","status":"publish","type":"post","link":"https:\/\/synthese.univ-annaba.dz\/?p=4119","title":{"rendered":"Comportement diff\u00e9r\u00e9 des marnes du tunnel d\u2019Arbus (France) soumises \u00e0 des essais de fluage et de gonflement"},"content":{"rendered":"<p><strong>Num\u00e9ro de la revue<\/strong>: 29<br \/>\n<strong>Auteurs<\/strong>: Chafia Merah<sup>1<\/sup> &amp; Jean Fran\u00e7ois Mathier<sup>2<\/sup><br \/>\n<span style=\"font-size: 10pt;\"><sup>1<\/sup>D\u00e9partement de G\u00e9nie Minier, Universit\u00e9 de T\u00e9bessa, B.P. 12002, T\u00e9bessa, Alg\u00e9rie.<br \/>\n<sup>2<\/sup>Laboratoire de M\u00e9canique des Roches, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne, Suisse.<br \/>\n<\/span><\/p>\n<p style=\"text-align: right;\"><a href=\"http:\/\/dpubma.univ-annaba.dz\/wp-content\/uploads\/2014\/11\/29-2.pdf\"><strong>T\u00e9l\u00e9charger l&rsquo;article<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-709 alignright\" style=\"margin-top: -10px; margin-bottom: -10px;\" src=\"\/wp-content\/uploads\/2014\/04\/p2.jpg\" alt=\"p2\" width=\"37\" height=\"35\" srcset=\"https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2.jpg 113w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-24x24.jpg 24w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-48x46.jpg 48w\" sizes=\"auto, (max-width: 37px) 100vw, 37px\" \/><\/strong><\/a><\/p>\n<p style=\"text-align: left;\"><strong>R\u00e9sum\u00e9<\/strong><\/p>\n<p style=\"text-align: justify;\">Le travail pr\u00e9sent\u00e9 se concentre sur le comportement diff\u00e9r\u00e9 des marnes cons\u00e9cutif \u00e0 la modification de l\u2019\u00e9tat de contrainte et \u00e0 l\u2019action de l\u2019eau. L\u2019historique des chargements et la pr\u00e9sence d\u2019eau peuvent induire des changements importants dans le comportement des g\u00e9omat\u00e9riaux. Au cours du temps, leurs effets peuvent se superposer et cr\u00e9er des d\u00e9g\u00e2ts consid\u00e9rables dans les diff\u00e9rents domaines miniers et du g\u00e9nie civil, notamment en construction souterraine.<br \/>\nSept essais ont \u00e9t\u00e9 r\u00e9alis\u00e9s avec des oedom\u00e8tres sur des marnes du tunnel d\u2019Arbus (France). Les \u00e9chantillons sont d\u2019abord soumis \u00e0 un chargement sous un seul palier (fluage mono palier) ou \u00e0 un chargement par paliers successifs (fluage multi paliers), ensuite ils sont hydrat\u00e9s puis d\u00e9charg\u00e9s selon plusieurs paliers.<br \/>\nLe comportement d\u00fb au fluage est simul\u00e9 par le mod\u00e8le de Lemaitre et le gonflement est mod\u00e9lis\u00e9 par une loi hyperbolique. Le mod\u00e8le global consid\u00e9rant la partition des d\u00e9formations pendant le fluage et le gonflement reproduit fid\u00e8lement la d\u00e9formation exp\u00e9rimentale mesur\u00e9e.<\/p>\n<p style=\"text-align: justify;\"><strong>Mots cl\u00e9s:<\/strong> Marnes, Fluage, Viscoplasticit\u00e9, Mod\u00e8le J. Lemaitre, Gonflement.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Num\u00e9ro de la revue: 29 Auteurs: Chafia Merah1 &amp; Jean Fran\u00e7ois Mathier2 1D\u00e9partement de G\u00e9nie Minier, Universit\u00e9 de T\u00e9bessa, B.P. 12002, T\u00e9bessa, Alg\u00e9rie. 2Laboratoire de M\u00e9canique des Roches, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne, Suisse. T\u00e9l\u00e9charger l&rsquo;article R\u00e9sum\u00e9 Le travail pr\u00e9sent\u00e9 &hellip; <a href=\"https:\/\/synthese.univ-annaba.dz\/?p=4119\">Lire la suite <span class=\"meta-nav\">&raquo;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[820],"tags":[827,830,826,829,828],"class_list":["post-4119","post","type-post","status-publish","format-standard","hentry","category-synthese-n-29","tag-fluage","tag-gonflement","tag-marnes","tag-modele-j-lemaitre","tag-viscoplasticite"],"_links":{"self":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/4119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4119"}],"version-history":[{"count":3,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/4119\/revisions"}],"predecessor-version":[{"id":4122,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/4119\/revisions\/4122"}],"wp:attachment":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}