Operation method of wall condition soil improvement body and wall condition revised body

摘要

P To effectively suppress or prevent liquefaction without improving soil directly below a structure. PSOLUTION: In this wall-shaped soil improving body 100 which is formed in the upper ground 12, the periphery of an interior wall 102 formed outside a building 10 immediately below the building is enclosed with an exterior wall 104, and an orthogonal wall 106 makes the interior and exterior walls 102 and 104 connected to each other. Thus and the out-of-plane rigidity of the wall-shaped soil improving body 100 is high. Thereby and out-of-plane-direction deformation is suppressed. This suppresses the shear strength of the upper ground which is enclosed with (the interior wall 102 of) the wall-shaped soil improving body 100 (maintains the effect of inhibiting shear deformation), and suppresses or prevents the liquefaction. In other words and the liquefaction of the upper ground 12B is inexpensively and effectively suppressed or prevented without the improvement of the upper soft ground immediately below the building 10. Consequently and damage to the building 10 by the liquefaction is suppressed or prevented. PCOPYRIGHT: (C)2009 and JPO& INPIT