| 摘要 |
PROBLEM TO BE SOLVED: To provide a land subsidence reduction improvement method directly below an existing filling capable of easily and surely reducing or suppressing the consolidation settlement of a settlement occurring layer forming a foundation ground by developing a filling layer on the upper part caused by a filling load of the filling layer. SOLUTION: The land subsidence reduction improvement method is used for reducing or suppressing the consolidation settlement of the settlement occurring layer forming the foundation ground by developing the filling layer on the upper part caused by the filling load of the filling layer, and the land subsidence reduction improvement method directly below the existing filling is so constituted that the existing filling material forming the filling layer is partially displaced by a lightweight soil displacement pile and that the filling load of the filling layer is adjusted by controlling one or more elements selected from a dead load, a pile length and a substitutional rate of the lightweight soil displacement pile to be displaced. COPYRIGHT: (C)2006,JPO&NCIPI
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