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STRUCTURE FOR PREVENTING FLOW IMPEDIMENT OF UNDERGROUND WATER BY SHIELD TUNNEL, LINING BODY, AND SHIELD TUNNEL
STRUCTURE FOR PREVENTING FLOW IMPEDIMENT OF UNDERGROUND WATER BY SHIELD TUNNEL, LINING BODY, AND SHIELD TUNNEL
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机译:盾构隧道,衬砌主体和盾构隧道防止地下水流阻的结构
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摘要
PROBLEM TO BE SOLVED: To provide a flow impediment structure that can prevent flow impediment of underground water by eliminating a mud cake layer.;SOLUTION: The structure 1 for preventing flow impediment of underground water comprises a lining body 5 laid at the inner peripheral part of a shield tunnel 3; an opening 7 provided so as to penetrate the lining body 5; a water passing means 9 provided in the opening 7 and detachably insertable into the opening 7; and a washing device 11 for washing a solid-liquid separator 19 of the water passing means 9. The water passing means 9 is mounted into the opening 7 with bolts and nuts 15 so that the inner peripheral surface of the water passing means 9 projects from a back-filling material 13.;COPYRIGHT: (C)2009,JPO&INPIT
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