| 摘要 |
PROBLEM TO BE SOLVED: To provide an underground wall structure, including a core material enabling extension of a drain well outside of a position predetermined by design and having enough shearing yield strength even if shearing load is applied due to an earthquake or the like. SOLUTION: The core material 1 including a cylindrical steel pipe 1a and two projecting parts 1b, 1c extended in the longitudinal direction along the outer peripheral surface of the steel pipe 1a is buried in a soil cement column wall 2. The core material 1 is installed in the soil cement column wall 2 with the projecting parts 1b, 1c pointing in the in-plane direction of the wall surface of the soil cement column wall 2. Further, the core materials are disposed so that the projecting part 1c of the core material 1B adjacent to the projecting part 1b of the core material 1A and the projecting part 1b of the core material 1C adjacent to the projecting part 1c of the core material 1A overlap each other. COPYRIGHT: (C)2008,JPO&INPIT
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