Numerical Simulation of Double Row Pile Supporting Structure in Expansive Soil Foundation Pit
The characteristics of water absorption and expansion,water loss and shrinkage,fracture and ultra-curing in expansive land areas affect the overall stability of foundation pit,which is easy to cause disasters such as foundation uplift,collapse and building cracks.It is a potential threat to buildings in the medium and long term,and easy to cause building deformation and destruction.The advantage of double-row pile supporting structure is that it has large lateral stiffness,which can effectively reduce the transverse deformation of the structure,so it is more suitable in expansive soil areas.This paper summarizes the research on expansive soil at home and abroad,the impact of extensive soil on foundation mines and the study of the support structure of double row piles gives the idea to study the support structure of double row piles of expansive soil base tank.
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