介绍了杭州市滨江区砂土地区复杂环境条件下深基坑工程的设计、施工和监测情况,根据基坑深度、周边环境、土层地质和变形控制等多种因素,因地制宜地采用了SMW工法桩结合一层混凝土支撑的围护结构,并采取了止水、降水和排水等地下水位控制措施,达到了安全、经济和变形控制的预期效果。 This paper introduces the design, construction and monitoring of deep foundation pit under complicated environmental conditions in Binjiang District of Hangzhou City. According to many factors such as depth of foundation pit, surrounding environment, soil geology and deformation control, the SMW method Pile combined with a layer of concrete support retaining structure, and taken water, precipitation and drainage and other groundwater level control measures to achieve the safety, economy and deformation control of the expected results.