钻孔灌注桩和高压旋喷桩在中心城区雨水泵站深基坑支护工程中的应用

Application of Bored Pile and High Pressure Rotary Jet Grouting Pile in Deep Foundation Pit Support Project of Rainwater Pumping Station in Central Urban Area

在某中心城区雨水泵站的深基坑支护工程中,针对其周边地形条件复杂、工程地质种类多、地下水位高的特点,采用了单排φ1000mm钻孔灌注桩和3排φ600mm高压旋喷桩的支护技术进行施工。施工结果表明,该支护方案实施效果好,达到了预期的技术效果,证明了该工程的正常进行。

In the deep foundation pit supporting project of rain water pumping station in a central city,the supporting technology of single rowφ1000mm bored piles and three rowsφ600mm high-pressure rotary jet grouting piles is adopted to construct the deep foundation pit supporting project in view of the complex surrounding topographic conditions,various engineering geological types and high groundwater level.The construction results show that the support scheme has a good effect,achieves the expected technical effect,and proves the normal operation of the project.