{"id":7278,"date":"2017-11-27T14:51:44","date_gmt":"2017-11-27T13:51:44","guid":{"rendered":"http:\/\/dpubma.univ-annaba.dz\/?p=7278"},"modified":"2017-11-27T14:51:44","modified_gmt":"2017-11-27T13:51:44","slug":"degradations-des-poutres-en-beton-arme-atteint-de-lalcali-agregat-reaction-aar-etudiees-par-la-methode-statistique-de-lanalyse-en-composantes-principales-acp","status":"publish","type":"post","link":"https:\/\/synthese.univ-annaba.dz\/?p=7278","title":{"rendered":"D\u00e9gradations des poutres en b\u00e9ton arm\u00e9 atteint de l\u2019Alcali Agr\u00e9gat R\u00e9action AAR \u00e9tudi\u00e9es par la M\u00e9thode statistique de l\u2019Analyse en Composantes Principales  ACP"},"content":{"rendered":"<p style=\"text-align: justify;\" align=\"center\"><strong>Num\u00e9ro de la revue<\/strong>:\u00a035<br \/>\n<strong>Auteurs<\/strong>: Fouzia Bouabdallah<sup>1, 3<\/sup>, Houria Kherici-Bousnoubra<sup>2<\/sup>, Mohamed Fouzi Habita<sup>3<\/sup>, Amel Djedaoune<sup>2<\/sup> &amp; Nadjette Rehamnia<sup>3<\/sup><\/p>\n<p style=\"text-align: right;\"><a href=\"http:\/\/dpubma.univ-annaba.dz\/wp-content\/uploads\/2017\/11\/22-71.16.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: justify;\"><strong>R\u00e9sum\u00e9<\/strong><\/p>\n<p style=\"text-align: justify;\">La pr\u00e9sente \u00e9tude, porte sur la d\u00e9tection des dommages au cours du temps dans le b\u00e9ton arm\u00e9 affect\u00e9 par l\u2019AAR. Apr\u00e8s six mois d\u2019essai, 58 \u00e9chantillons d\u2019agr\u00e9gats (calcaire) pr\u00e9lev\u00e9s des poutres en b\u00e9ton arm\u00e9 (A et B) pr\u00e9sentent trois \u00e9tats d\u2019agr\u00e9gats diff\u00e9rents: commercialis\u00e9s, adh\u00e9r\u00e9s en b\u00e9ton arm\u00e9 (agr\u00e9gats-\u00adciment et agr\u00e9gat r\u00e9actif-ciment). Le long de ces poutres (A et B), trois zones de d\u00e9coloration illustraient (a, b et c) sur neuf axes verticaux. Les r\u00e9sultats des analyses chimiques obtenus par l\u2019essai de Florescence par Rayon X (FRX) sont trait\u00e9s par la m\u00e9thode de l\u2019Analyse en Composantes Principales\u00a0 (ACP). Il ressort alors que la poutre t\u00e9moin conserve son aspect normal, or la poutre atteinte de l\u2019AAR pr\u00e9sente des dommages corr\u00e9l\u00e9s aux aspects\u00a0physico-chimique et m\u00e9canique.<strong>\u00a0<\/strong><\/p>\n<p><strong>Mot cl\u00e9s<\/strong>\u00a0: <em>B\u00e9ton arm\u00e9 \u2013 Alcali \u2013 Agr\u00e9gat\u2013 R\u00e9action\u2013 ACP<\/em><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Num\u00e9ro de la revue:\u00a035 Auteurs: Fouzia Bouabdallah1, 3, Houria Kherici-Bousnoubra2, Mohamed Fouzi Habita3, Amel Djedaoune2 &amp; Nadjette Rehamnia3 T\u00e9l\u00e9charger l&rsquo;article R\u00e9sum\u00e9 La pr\u00e9sente \u00e9tude, porte sur la d\u00e9tection des dommages au cours du temps dans le b\u00e9ton arm\u00e9 affect\u00e9 par &hellip; <a href=\"https:\/\/synthese.univ-annaba.dz\/?p=7278\">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":[16,1219],"tags":[1244],"class_list":["post-7278","post","type-post","status-publish","format-standard","hentry","category-synthese-2","category-synthese-n-35","tag-beton-arme-alcali-agregat-reaction-acp"],"_links":{"self":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/7278","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=7278"}],"version-history":[{"count":1,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/7278\/revisions"}],"predecessor-version":[{"id":7281,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/7278\/revisions\/7281"}],"wp:attachment":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}