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EXCAVATION METHOD, CONSTRUCTION METHOD FOR UNDERGROUND STRUCTURE, WALL BODY MEMBER, AND WALL BODY FOR EXCAVATION
EXCAVATION METHOD, CONSTRUCTION METHOD FOR UNDERGROUND STRUCTURE, WALL BODY MEMBER, AND WALL BODY FOR EXCAVATION
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机译:开挖方法,地下结构的施工方法,墙体及开挖墙体
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摘要
PROBLEM TO BE SOLVED: To provide an excavation method and the like, which enable efficient execution of ground excavation work.;SOLUTION: After a cylindrical cut-off wall 10 reaching an impermeable stratum is constructed in ground 1, a wall body 20 for excavation, in which a wall body member 21 is assembled in a cylindrical shape, is lowered inside the cut-off wall 10 depending on the excavation of the ground 1 inside the cut-off wall 10. Thus, the ground 1 is excavated. A structure 30 is constructed in an excavation location 1b where the excavation is performed in this way. Subsequently, the wall body 20 for the excavation is sequentially dismantled from a lower end, and the periphery of the structure 30 is backfilled while the individual wall body member 21 is recovered.;COPYRIGHT: (C)2015,JPO&INPIT
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