高压旋喷技术在船坞坞口基坑施工中的应用

以扬州大洋造船有限公司船坞坞口止水帷幕工程为例,介绍了高压旋喷技术在该工程的应用。介绍了工程地质和水文地质后,介绍了高压喷射注浆机理和特性。介绍旋喷止水帷幕的参数设计方法,包括帷幕深度、旋喷桩孔位布置方式、施工参数。对高压旋喷桩的关键施工工序质量控制和喷射质量的检查也进行了较为细致的讨论。从施工效果来看,该工法应用于深、软地基防水防渗工程是成功的。

The Application of the High Pressure Spin Jetting Technology in the Construction of the Foundation Pit of the Dock's Entrance

Taking the stop watering heavy curtain engineering of the Yangzhou Dayang Ship Co.Ltd.as an example,this paper introduces the application of the high pressure spin jetting technology in this engineering.After stating the engineering geology and hydrogeology,it introduces the principle and charachateristic of pouring by high pressure jetting.It introduces the parameter design of the stop watering heavy curtain,including the depth of the heavy curtain,the plan of the jetting hole and the parameter of construc...