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集团公司科研所利用技术优势积极拓展市场,最近在渝怀线中铁11局集团公司承建的歌乐山隧道岩涌地带特大涌水堵水施工中充分发挥科研技术优势,利用帷幕注浆堵水施工技术,治理了日涌水量12000多立方的地层涌水,顺利通过了岩溶带,取得了较好的效果。 2001年10月份,渝怀线起点标段,中铁11局集团公司承建的歌乐山隧道出口平导在施工到PDK3+657里程时,遇到
Group scientific research institutes to take advantage of technological advantages to actively expand the market, recently Yuhuai Line China Railway 11 Bureau Group Corporation construction of Geleshan Tunnel rocky surge zone gigantic water blocking construction give full play to scientific research and technology advantages, the use of curtain grouting water blocking construction technology, The gushing water of more than 12,000 cubic meters of water in a day was managed and the karst belt passed smoothly and achieved good results. October 2001, the beginning of the Yuhuai line tenders, China Railway 11 Bureau Group Corporation Geleshan tunnel exit construction in the construction to PDK3 +657 mileage, met