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3.In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods (just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc.), we found out that there is an ancient groove of Yangzi River in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about ￥50 million for pile foundation project cost.
