{"id":1105,"date":"2013-07-01T00:00:37","date_gmt":"2013-06-30T22:00:37","guid":{"rendered":"https:\/\/geomapsrl.it\/wp\/portfolio-articoli\/barrage-de-zarema-ethiopie\/"},"modified":"2021-06-04T19:13:26","modified_gmt":"2021-06-04T17:13:26","slug":"barrage-de-zarema-ethiopie","status":"publish","type":"portfolio","link":"https:\/\/geomapsrl.it\/fr\/portfolio-articoli\/barrage-de-zarema-ethiopie\/","title":{"rendered":"Barrage de Zarema, \u00c9thiopie"},"content":{"rendered":"<div  class='avia-slideshow av-75e4f5-aebc940ad0f830a45a3d9f7c70be9a0d avia-slideshow-featured av_slideshow avia-slide-slider  avia-builder-el-0  el_before_av_one_third  avia-builder-el-first  av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied avia-slideshow-1' 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https:\/\/geomapsrl.it\/wp\/wp-content\/uploads\/2013\/07\/AG5_IMG9A-705x498.jpg 705w\" sizes=\"(max-width: 845px) 100vw, 845px\" \/><\/a><\/div><\/div><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-5wqla1-e345ad23b627a4905d5bf886437d7dd9\">\n.flex_column.av-5wqla1-e345ad23b627a4905d5bf886437d7dd9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-5wqla1-e345ad23b627a4905d5bf886437d7dd9 av_two_third  avia-builder-el-8  el_after_av_one_third  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><p><div  class='avia-table av-6zyew9-716abc9154dc8201f957bf71d3c0a776 main_color avia-pricing-table-container avia_pricing_default  avia-builder-el-9  el_before_av_table  avia-builder-el-first  avia-table-1'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><div class=\"pricing-table-wrap\"><ul class='pricing-table '><li class='avia-heading-row'><div class='first-table-item'>Nom du Projet<\/div><span class='pricing-extra'><\/span><\/li><li class=''>Wolkayite Sugar development project \u2013 detailed design of Zarema May Day dam and its appurtenant structures \u2013 Ethiopia<\/li><li class='avia-heading-row'>Pays, R\u00e9gion(s)<\/li><li class=''>Ethiopie<br \/>\nBassin du fleuve Zarema, Tigray nord-occidental<\/li><li class='avia-heading-row'>Client(s)<\/li><li class=''>SGI Studio Galli Ingegneria, Padoue &#8211; Sembenelli Consulting, Milan<\/li><li class='avia-heading-row'>Buts du projet<\/li><li class=''>R\u00e9aliser une \u00e9tude g\u00e9ologique, g\u00e9omorphologique, structurale et g\u00e9om\u00e9canique d\u2019une zone destin\u00e9e \u00e0 la construction d\u2019un syst\u00e8me d\u2019irrigation reli\u00e9 \u00e0 un r\u00e9servoir artificiel en construction le long de la rivi\u00e8re Zarema, dans le nord du Tigray.<\/li><li class='avia-heading-row'>Op\u00e9rateur(s)<\/li><li class=''>Geomap Srl<\/li><li class='avia-heading-row'>Personnel impliqu\u00e9<\/li><li class=''>2 g\u00e9ologues de terrain, 2 g\u00e9ologues experts en t\u00e9l\u00e9d\u00e9tection, 1 op\u00e9rateur SIG<\/li><li class='avia-heading-row'>Activit\u00e9s du projet<\/li><li class=''>Une premi\u00e8re phase des travaux a consist\u00e9 en un pr\u00e9traitement d\u2019images satellites \u00e0 tr\u00e8s haute r\u00e9solution (Worldview 2), orthorectification, pan-sharpening, mosa\u00efque et am\u00e9lioration de contraste, afin de produire un support pour la photo-interpr\u00e9tation et la campagne.<br \/>\nPar la suite, l\u2019interpr\u00e9tation des images sur la zone du r\u00e9servoir Zarema a \u00e9t\u00e9 faite, en extrayant les th\u00e8mes suivants: g\u00e9ologie, drainage, formes du relief et processus g\u00e9omorphologiques, en particulier mouvements gravitationnels et ph\u00e9nom\u00e8nes \u00e9rosifs, champ total des lin\u00e9ations (failles, fractures, filons et lin\u00e9aments r\u00e9gionaux). Parall\u00e8lement, une premi\u00e8re mission de reconnaissance in situ a \u00e9t\u00e9 r\u00e9alis\u00e9e pour v\u00e9rifier les conditions et l\u2019accessibilit\u00e9 des sites et pour planifier la campagne de lev\u00e9s. Cette derni\u00e8re, d\u2019une dur\u00e9e de 15 jours, a eu pour but de r\u00e9aliser un lev\u00e9 g\u00e9o-structural et g\u00e9om\u00e9canique d\u00e9taill\u00e9 et de v\u00e9rifier la photo-interpr\u00e9tation dans la zone destin\u00e9e aux ouvrages d\u2019irrigation.<br \/>\nEnsuite on a r\u00e9alis\u00e9 l\u2019\u00e9laboration des donn\u00e9es, visant \u00e0 la caract\u00e9risation g\u00e9om\u00e9canique des lithotypes affleurants, \u00e9galement par analyse en laboratoire et \u00e0 la cr\u00e9ation d\u2019une carte g\u00e9ostructurale \u00e0 grande \u00e9chelle de la zone du projet d\u2019irrigation.<br \/>\nLes documents produits ont \u00e9t\u00e9: Rapport, Carte de drainage, Carte g\u00e9omorphologique, Carte photo-g\u00e9ologique et Carte du champ total des lin\u00e9ations pour la zone du r\u00e9servoir de Zarema, \u00e0 une \u00e9chelle de 1\/10 000 et 1\/25 000 ; Cartes g\u00e9ologiques d\u00e9taill\u00e9es de la zone du projet d\u2019irrigation \u00e0 l\u2019\u00e9chelle 1\/1 000 et 1\/5 000 ; coupes g\u00e9ologiques le long des trac\u00e9s propos\u00e9s des canaux et tunnels d\u2019irrigation.<\/li><\/ul><\/div><\/div><br \/>\n<div  class='avia-table av-5h6xt-06f646a3c50b3bb1c96cee4ccf4f1f6f main_color avia-pricing-table-container avia_pricing_default  avia-builder-el-10  el_after_av_table  avia-builder-el-last  avia-table-2'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Table\" ><div class=\"pricing-table-wrap\"><ul class='pricing-table '><li class='avia-heading-row'><div class='first-table-item'>D\u00e9but<\/div><span class='pricing-extra'><\/span><\/li><li class=''>juillet 2013<\/li><\/ul><\/div><div class=\"pricing-table-wrap\"><ul class='pricing-table '><li class='avia-heading-row'><div class='first-table-item'>Fin<\/div><span class='pricing-extra'><\/span><\/li><li class=''>avril 2014<\/li><\/ul><\/div><\/div><\/p><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":876,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[33],"class_list":["post-1105","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-geologie-appliquee-et-hydrogeologie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - 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