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deep pit after digging in and outside the Commonwealth, high rates and overloading the role to support care structure on the outside and prone to hang in the floor of the den from mobile, plasticity elevations caused pit, and outer side surface subsidence

After deep structure excavation, under inside and outside soil body elevation difference and the overload function, in supports and protections structure flank soil body Yi Xiangkeng moves, has the plasticity in the pit bottom to stick out, and causes the hole excavated for building foundation flank

After the excavation of deep Foundation pit, internal and external height difference and under the action of overload, lateral soil supporting structure easy to move in in the pit, have a plastic bump at the end of pit and pit outside of ground settlement induced by

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