【摘要】 分析了压浆扩底灌注桩桩底压浆的作用。给出了该桩型的应用范围、具体的施工方法和主要的技术控制指标。通过某部队营房改造工程的应用、试桩检测和技术经济分析,得出该桩型具有承载力高、沉降量小和良好的经济效益。更多还原

【Abstract】 This paper analyses the action of pressure grouting for enlarged-base pressure-grouting filling pile and provides its adaptable range,concrete methods of construction and major technical controlling index.Based on the application on a reconstruct project of bar-racks,on its test pile checking and tech-economic analysis,this pile has high bearing capacity,small settlement and economical benefit.更多还原