Design and Construction of Foundation Ditch Support Project of Yongjingtai Mansion

In this article,the author introduces the whole design and construction process of the foundation ditch support project of Yongjingtai Mansion.He analyzes how to select proper support structures under different geologic conditions and different environment zoning and segmentation conditions when designing the foundation ditch of Yongjingtai Mansion.He also states some construction requirements of design and construction of rotary spray pile water\|resistant curtain,soil nail wall and anchor rod etc.,and provides treatment measures for some special situations in construction and use\|period of such foundation ditches.