{"id":73204,"date":"2019-07-18T14:51:54","date_gmt":"2019-07-18T14:51:54","guid":{"rendered":"https:\/\/metaflotech.com\/?p=73204"},"modified":"2022-09-21T17:08:54","modified_gmt":"2022-09-21T17:08:54","slug":"innovation-bei-der-bewirtschaftung-von-nassem-tunnelaushub-von-metaflo","status":"publish","type":"post","link":"https:\/\/www.metaflotech.com\/de\/innovation-in-wet-tunnel-spoils-management-from-metaflo\/","title":{"rendered":"MetaFLO bietet eine innovative L\u00f6sung f\u00fcr die Bewirtschaftung nasser Tunnelabf\u00e4lle"},"content":{"rendered":"<p>In allen Ballungszentren der Welt werden derzeit Tunnel gebaut, und der Bedarf wird weiter steigen, da die Verdichtung und die Abwanderung in die St\u00e4dte die Stadtplanung, die veraltete unterirdische Infrastruktur und die Kapazit\u00e4ten \u00fcbersteigen.<\/p>\n<p>A report by the United Nations Department of Economic and Social Affairs estimates that by 2030, the world could have 43 so-called megacities (up from 31 today) \u2013 those with more than 10 million inhabitants \u2013 most of them in developing countries. Both the United Nations and the International Organization for Migration estimate that around 3 million people are moving to cities every week.<\/p>\n<p>Jurisdictions each have their own unique set of development priorities, however, there are universal commonalities for underground tunnel construction that include:<\/p>\n<ul>\n<li>Transit expansion to address urban densification realities, workplace productivity and urban emissions criteria.<\/li>\n<li>Secure water and sewage movement in and out of population centers to replace and enhance aging infrastructure, address urban growth demands and climate change impact mitigation<\/li>\n<li>Commercial requirements for the flow of goods and services in and out of congested areas<\/li>\n<\/ul>\n<p>Innovative technology has broadened tunnel application significantly:<\/p>\n<ul>\n<li>Improved geotechnical analysis provides better understanding of ground conditions<\/li>\n<li>Concrete linings allow for better bore wall stabilization and improved safety<\/li>\n<li>Sensors identify obstacles for better efficiency and less damage to existing infrastructure<\/li>\n<\/ul>\n<p>Depending on ground conditions, the soil removed from the tunnel can be quite liquid. A mixture of clay and soil conditioners are utilized at the face of the tunnel boring machine (TBM) to lubricate, stabilize and extract cuttings out of the tunnel. This resultant slurry creates a problem for disposal.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-81408 size-full\" src=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2019\/07\/Underground-moisture.jpg\" alt=\"Underground moisture\" width=\"759\" height=\"369\" srcset=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2019\/07\/Underground-moisture.jpg 759w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2019\/07\/Underground-moisture-300x146.jpg 300w\" sizes=\"auto, (max-width: 759px) 100vw, 759px\" \/><\/p>\n<h2>Underground moisture problem<\/h2>\n<p>Spoils solidification with environmentally friendly polymers from MetaFLO Technologies provide an innovative and effective method to efficiently dry the wet spoils at the surface. Using purpose-specific mixing technology, engineered to match spoils output, MetaFLO\u2019s polymer can simply be incorporated into the spoils and immediately transported to a receiving site requiring clean, dry fill in reasonable proximity of the tunnel site.<\/p>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-81407 size-full\" src=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2019\/07\/Clamshell-tunnel-slurry-excavation.jpg\" alt=\"Clamshell tunnel slurry excavation\" width=\"732\" height=\"403\" srcset=\"https:\/\/www.metaflotech.com\/wp-content\/uploads\/2019\/07\/Clamshell-tunnel-slurry-excavation.jpg 732w, https:\/\/www.metaflotech.com\/wp-content\/uploads\/2019\/07\/Clamshell-tunnel-slurry-excavation-300x165.jpg 300w\" sizes=\"auto, (max-width: 732px) 100vw, 732px\" \/><\/h2>\n<h2>Clamshell tunnel slurry excavation<\/h2>\n<p>Planning is the key to a successful tunnel spoil\u2019s management program \u2013 and the benefits can be significant:<\/p>\n<ul>\n<li>Geringerer operativer Platzbedarf in \u00fcberlasteten st\u00e4dtischen Gebieten, um Abraum schnell zu entsorgen<\/li>\n<li>Verbesserte Transporteffizienz beim Abtransport von Trockenmaterial von Projektstandorten<\/li>\n<li>Solidified spoils that meet regulatory criteria to go directly to clean fill sites<\/li>\n<li>Lower GHG emissions, improved urban logistics, responsible excess soil management<\/li>\n<\/ul>\n<p>MetaFLO Technologies can work with tunnel operations personnel to help put together an effective plan to address the challenges of dealing with wet spoils.<\/p>","protected":false},"excerpt":{"rendered":"<p>In allen Ballungszentren der Welt werden derzeit Tunnel gebaut, und der Bedarf wird weiter steigen, da die Verdichtung und die Abwanderung in die St\u00e4dte die Stadtplanung, die veraltete unterirdische Infrastruktur und die Kapazit\u00e4ten \u00fcbersteigen.<\/p>","protected":false},"author":1,"featured_media":73207,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[23],"tags":[107,117,116],"class_list":["post-73204","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","tag-drilling","tag-excavation","tag-tunnel"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Innovation in wet tunnel spoils management from MetaFLO | MetaFLO Technologies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.metaflotech.com\/de\/innovation-bei-der-bewirtschaftung-von-nassem-tunnelaushub-von-metaflo\/\" \/>\n<meta property=\"og:locale\" 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