Abstract
A part of JR Senseki Line in Sendai City was switched to underground. We adopted Soil Mixing Wall (SMW) method for the construction work. As this wall cut off most of the groundwater flow, we had analyzed the influences in advance using the finite element analysis and conceived to control the groundwater flow by replacing the retaining wall partially with permeable materials after construction.
This paper shows variation of groundwater level affected by the SMW and recovered by the effective countermeasures. Furthermore, it is also referred to the accuracy of the prediction checked by regression formula.
