根据杭州铁路东站地区的地质水文情况及施工周边条件,论述了该工程在邻近铁路线旁深基坑施工的围护体系选型过程,通过对两种支护方案在安全、可行性、经济方面特点的比较,确定了该工程采用工法桩加预应力锚索的围护方案,达到了安全、可靠、经济的效果。 According to the geologic and hydrological conditions of Hangzhou East Railway Station and the surrounding conditions of construction, this paper discusses the selection process of the retaining system for the construction of deep foundation pit near the railway line. By analyzing the safety, feasibility and economy of the two support schemes, Compared with the characteristics of the project to determine the project using the method of prestressed piles and anchor of the envelope, to achieve a safe, reliable and economical results.