pile bottom grouting

• 桩底后注浆

pile bottom grouting的用法和样例：

例句

1. The bearing capacity characteristic value of a single pile can be increased greatly through post pressure grouting from pile sides and bottom.
   摘要通过对桩侧和桩底后压浆，可大幅度提高钻孔灌注桩单桩承载力。