{"id":560,"date":"2014-11-18T13:12:41","date_gmt":"2014-11-18T12:12:41","guid":{"rendered":"https:\/\/asal.dz\/?p=560"},"modified":"2018-12-23T14:10:01","modified_gmt":"2018-12-23T13:10:01","slug":"contribution-de-limagerie-alsat-2a-au-suivi-de-la-nouvelle-ligne-ferroviaire-birtouta-zeralda","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=560","title":{"rendered":"Contribution de l\u2019imagerie Alsat-2A au suivi de la nouvelle ligne ferroviaire Birtouta \u2013 Zeralda"},"content":{"rendered":"<table border=\"0\" width=\"699\">\n<tbody>\n<tr>\n<td colspan=\"5\" rowspan=\"5\" align=\"left\" valign=\"top\">\n<p class=\"Style130\" align=\"justify\">La densification et le renforcement du r\u00e9seau ferroviaire Alg\u00e9rien est l\u2019un des objectifs vis\u00e9s \u00e0 travers la r\u00e9alisation de nouvelles lignes ferroviaires \u00a0ou la modification des trac\u00e9s de certaines lignes n\u00e9cessitant une am\u00e9lioration.<\/p>\n<p class=\"Style130\" align=\"justify\">L\u2019imagerie satellitaire apporte une contribution effective dans le suivi des travaux relatifs aux\u00a0 grands projets. En fait, les images satellitaires permettent une caract\u00e9risation du trac\u00e9 optimal de la voie ferr\u00e9e avant sa r\u00e9alisation, sur la base de l\u2019ensemble des param\u00e8tres physiques (topographie, occupation des sols,\u2026), et un suivi des travaux de sa construction et des infrastructures associ\u00e9es (viaduc, ponts, stations), pendant sa r\u00e9alisation.<\/p>\n<p class=\"Style130\" align=\"justify\">L\u2019analyse de l\u2019imagerie Alsat-2A, prise le 27-09-2014 autour de la r\u00e9gion de Douera (Wilaya d\u2019Alger), illustre l\u2019\u00e9tat d\u2019avancement des travaux de la nouvelle ligne ferroviaire Birtouta \u2013 Zeralda, via Sidi Abedallah sur une distance de 21 Km.<\/p>\n<p class=\"Style130\">Cette analyse s\u2019appuie sur\u00a0:<\/p>\n<p class=\"Style130\"><strong>&#8211;<\/strong> l\u2019identification des diff\u00e9rents types ouvrages d\u2019art (ponts, viaduc, tunnel\u2026) pr\u00e9vus\u00a0et l\u2019\u00e9valuation de leur \u00e9tat d\u2019avancement ;<\/p>\n<p class=\"Style130\"><strong>&#8211;<\/strong> l\u2019\u00e9valuation de l\u2019\u00e9tat d\u2019avancement des travaux de terrassement de la ligne de chemin de fer\u00a0;<\/p>\n<p class=\"Style130\"><strong>&#8211;<\/strong> l\u2019identification de l\u2019\u00e9tat d\u2019avancement de la r\u00e9alisation des gares pr\u00e9vues le long du trac\u00e9.<\/p>\n<p class=\"Style130\" align=\"justify\">\n<p class=\"Style131\" align=\"center\">Vue Globale de la r\u00e9gion de Douera, \u00e0 partir des images Alsat-2A du 27\/09\/2014<\/p>\n<p class=\"Style130\" align=\"justify\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/douera1.jpg\" width=\"680\" height=\"419\" \/><\/p>\n<p class=\"Style130\" align=\"justify\">\n<p class=\"Style131\" align=\"center\">Vue Globale de la r\u00e9gion de Douera , avec la d\u00e9limitation des tron\u00e7ons de la ligne ferroviaire en cours de r\u00e9alisation (en rouge), \u00e0 partir des images Alsat-2A<\/p>\n<p class=\"Style130\" align=\"justify\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/douera2.jpg\" width=\"680\" height=\"421\" \/><\/p>\n<p class=\"Style130\">\n<p class=\"Style131\" align=\"center\">Etat d\u2019avancement des travaux de r\u00e9alisation du Tunnel au niveau de Sidi Abdellah<\/p>\n<p class=\"Style130\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/douera3.jpg\" width=\"680\" height=\"351\" \/><\/p>\n<p class=\"Style131\" align=\"center\">\n<p class=\"Style131\" align=\"center\">Zoom de l\u2019image Alsat-2A autour du tunnel en cours de r\u00e9alisation du tunnel au niveau de Sidi Abdellah<\/p>\n<p class=\"Style131\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/douera7.jpg\" width=\"680\" height=\"312\" border=\"1\" \/><\/p>\n<p class=\"Style131\" align=\"center\">\n<p class=\"Style131\" align=\"center\">Etat d\u2019avancement des travaux de r\u00e9alisation du viaduc , pr\u00e8s du barrage de Douera<\/p>\n<p class=\"Style130\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/douera4.jpg\" width=\"680\" height=\"353\" \/><\/p>\n<p class=\"Style131\" align=\"center\">\n<p class=\"Style131\" align=\"center\">Etat d\u2019avancement des travaux de r\u00e9alisation du viaduc, situ\u00e9 entre Hadj Yakoub et Dekakna<\/p>\n<p class=\"Style128\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/douera5.jpg\" width=\"680\" height=\"353\" \/><\/p>\n<p class=\"Style131\" align=\"center\">\n<blockquote>\n<p class=\"Style131\" align=\"center\">Etat d\u2019avancement des travaux de r\u00e9alisation des ponts (en rouge), au Nord de Tessala El Merdja<\/p>\n<\/blockquote>\n<p class=\"Style128\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/douera6.jpg\" width=\"680\" height=\"351\" \/><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td height=\"62\"><\/td>\n<\/tr>\n<tr>\n<td height=\"21\"><\/td>\n<\/tr>\n<tr>\n<td height=\"21\"><\/td>\n<\/tr>\n<tr>\n<td height=\"1812\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>La densification et le renforcement du r\u00e9seau ferroviaire Alg\u00e9rien est l\u2019un des objectifs vis\u00e9s \u00e0 travers la r\u00e9alisation de nouvelles lignes ferroviaires \u00a0ou la modification des trac\u00e9s de certaines lignes n\u00e9cessitant une am\u00e9lioration. L\u2019imagerie satellitaire apporte une contribution effective dans le suivi des travaux relatifs aux\u00a0 grands projets. En fait, les images satellitaires permettent une [&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-560","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/560","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=560"}],"version-history":[{"count":0,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/560\/revisions"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}