{"id":442,"date":"2016-02-03T10:29:50","date_gmt":"2016-02-03T09:29:50","guid":{"rendered":"https:\/\/asal.dz\/?p=442"},"modified":"2018-12-23T12:32:47","modified_gmt":"2018-12-23T11:32:47","slug":"soutenance-de-these-de-doctorat-6","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=442","title":{"rendered":"Soutenance de th\u00e8se de doctorat"},"content":{"rendered":"<table border=\"0\" width=\"700\">\n<tbody>\n<tr>\n<td colspan=\"5\" rowspan=\"5\" align=\"left\" valign=\"top\" bgcolor=\"#FFFFFF\">\n<p class=\"Style121\" align=\"justify\">Une th\u00e8se de Doctorat a \u00e9t\u00e9 soutenue par Mme BENZENIAR Nawel, chercheur au Centre des Techniques Spatiales d\u2019Arzew (CTS \/ ASAL), le mercredi 02 D\u00e9cembre\u00a0 2015 \u00e0 l\u2019Universit\u00e9 des Sciences et de la Technologie Mohamed Boudiaf d\u2019Oran, Facult\u00e9 d\u2019Architecture et de G\u00e9nie civil<br \/>\nD\u00e9partement d\u2019Hydraulique.<\/p>\n<p class=\"Style121\" align=\"justify\">Cette th\u00e8se, intitul\u00e9e \u2018<em>\u2019Estimation des param\u00e8tres m\u00e9caniques dans les barrages en enrochement par analyse inverse \u00e0 partir des donn\u00e9es g\u00e9od\u00e9siques et g\u00e9otechniques\u2019\u2019<\/em>, traite des probl\u00e8mes d\u2019inversion par les m\u00e9thodes robustes \u00e0 partir des donn\u00e9es g\u00e9od\u00e9siques et g\u00e9otechniques<em>. Elle a \u00e9t\u00e9<\/em>\u00a0dirig\u00e9e par MM. YEBDRI\u00a0 Djilali (Professeur \/USTO) et TOUATI Fatah (Maitre de recherche \/CTS), et a \u00e9t\u00e9 soutenue devant le jury compos\u00e9 de:<\/p>\n<p class=\"Style121\" align=\"justify\">&#8211; M. TIDJANI Abdellatif El-Bari \u00a0\u00a0\u00a0 \u00a0Professeur \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0 USTO-MB \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0 Pr\u00e9sident<br \/>\n&#8211; M. CHERIF\u00a0 El-Amine \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Professeur \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0USTO-MB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Examinateur<br \/>\n&#8211; M. DJEDID\u00a0 Abdelkader \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Professeur\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Univ-Tlemcen \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Examinateur<br \/>\n&#8211; M. BOUANANI Abderezak\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Professeur \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Univ-Tlemcen \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Examinateur<\/p>\n<p class=\"Style121\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/BENZENIAR 02 2016 -01.jpg\" width=\"417\" height=\"242\" border=\"1\" \/><\/p>\n<p class=\"Style121\" align=\"justify\">La qualit\u00e9 des mesures utilis\u00e9es dans la r\u00e9solution des probl\u00e8mes inverses joue un r\u00f4le primordial dans l\u2019\u00e9valuation de la s\u00e9curit\u00e9 des ouvrages. Malheureusement, la pr\u00e9sence d\u2019in\u00e9vitables erreurs dans les donn\u00e9es mesur\u00e9es peuvent mener \u00e0 des interpr\u00e9tations indiquant une fausse alerte d\u2019un risque potentiel\u00a0 ou l\u2019ignorance de sa pr\u00e9sence. Afin de rem\u00e9dier au probl\u00e8me\u00a0 des\u00a0 observations\u00a0 erron\u00e9es, une nouvelle m\u00e9thode d\u2019inversion robuste appel\u00e9e RIMCO (<strong>R<\/strong>obust <strong>I<\/strong>nversion <strong>M<\/strong>ethod for <strong>C<\/strong>orelated <strong>O<\/strong>bservations)\u00a0 a \u00e9t\u00e9 propos\u00e9e dans le cadre de cette th\u00e8se. Cette m\u00e9thode permet, \u00e0 partir des mesures g\u00e9od\u00e9siques et g\u00e9otechniques, une identification fiable des param\u00e8tres intervenant dans le mod\u00e8le du comportement de l\u2019ouvrage. Son principe consiste \u00e0 raffiner le mod\u00e8le stochastique par le biais d\u2019une matrice de poids \u00e9quivalente \u00e9tablie \u00e0 partir des matrices de poids des mesures originales et une matrice de poids adapt\u00e9e au rejet s\u00e9v\u00e8re des valeurs aberrantes.<\/p>\n<p class=\"Style121\" align=\"justify\">La\u00a0 performance\u00a0 de\u00a0 cette m\u00e9thode\u00a0 a\u00a0 \u00e9t\u00e9\u00a0 d\u00e9montr\u00e9e\u00a0 en consid\u00e9rant\u00a0 un\u00a0 <strong>barrage\u00a0 en enrochement<\/strong>\u00a0 comme\u00a0 un\u00a0 exemple\u00a0 d\u2019application\u00a0 pour\u00a0 l\u2019identification\u00a0 des param\u00e8tres\u00a0 de\u00a0 ses\u00a0 mat\u00e9riaux\u00a0 constitutif\u00a0 sous diff\u00e9rents cas de chargement.<\/p>\n<p class=\"Style121\" align=\"justify\">Les\u00a0 r\u00e9sultats\u00a0 obtenus\u00a0 par\u00a0 la\u00a0 nouvelle\u00a0 m\u00e9thode\u00a0 RIMCO\u00a0 ont prouv\u00e9\u00a0 sa\u00a0 pertinence\u00a0 et\u00a0 son importance\u00a0 en\u00a0 termes\u00a0 de\u00a0 fiabilit\u00e9\u00a0 et\u00a0 de robustesse\u00a0 par rapport \u00e0 d\u2019autres m\u00e9thodes. Une telle estimation peut \u00eatre tr\u00e8s int\u00e9ressante pour analyser la s\u00e9curit\u00e9 de la structure des barrages et en am\u00e9liorer la conception.<\/p>\n<p class=\"Style120\" align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td height=\"62\"><\/td>\n<\/tr>\n<tr>\n<td height=\"184\"><\/td>\n<\/tr>\n<tr>\n<td height=\"44\"><\/td>\n<\/tr>\n<tr>\n<td height=\"21\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td colspan=\"5\">\n<p class=\"Style39\" align=\"center\">\n<\/td>\n<\/tr>\n<tr>\n<td height=\"21\"><\/td>\n<td colspan=\"5\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Une th\u00e8se de Doctorat a \u00e9t\u00e9 soutenue par Mme BENZENIAR Nawel, chercheur au Centre des Techniques Spatiales d\u2019Arzew (CTS \/ ASAL), le mercredi 02 D\u00e9cembre\u00a0 2015 \u00e0 l\u2019Universit\u00e9 des Sciences et de la Technologie Mohamed Boudiaf d\u2019Oran, Facult\u00e9 d\u2019Architecture et de G\u00e9nie civil D\u00e9partement d\u2019Hydraulique. Cette th\u00e8se, intitul\u00e9e \u2018\u2019Estimation des param\u00e8tres m\u00e9caniques dans les barrages [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[3],"tags":[],"class_list":["post-442","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=442"}],"version-history":[{"count":0,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/442\/revisions"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=442"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=442"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}