The key point in making underwater concrete of drill hole grouting pile is that it requires high fluidity.
钻孔灌注桩水下混凝土配制的关键是要求流动性要好。
By analysis of the reasons that produced quality accident of the drill hole grouting pile construction, it is put forward the prevention measures and methods that should be adopt in quality accident.
通过对钻孔灌注桩施工过程质量事故发生原因的分析，提出预防质量事故发生的措施和处理方法。
The Vertical and horizontal displacement of ending hole are both decreased with the increase of pile length when the soil and grouting pressure is constant.
在土体性质相同且注浆压力恒定不变时，灌注桩桩端孔水平向和竖向位移随桩长的增加而减小。
The paper introduces a new technology of CFG pile-pressure grouting of long helical drilling hole, and analyses design, service scope and development trend of CFG pile.
介绍了CFG桩的一种新的成桩工艺——长螺旋钻孔压力灌浆法，对CFG桩的设计、使用范围和发展趋势作了分析。
An introduction is made on the construction process of artificial hole pile including holing, wall protection, fabrication and installation of reinforcing cage, pile core concrete grouting etc.
介绍人工挖孔桩的成孔、护壁、钢筋笼制作和安装、桩芯混凝土浇灌等施工过程。
In view of the problems encountered in the construction of pile setting by grouting man dug hole, such as flowing sand, silty soil, underground water and rock, some solutions are summed up.
针对人工挖孔灌注桩在施工时遇到的问题，如流沙、淤泥质土、地下水、岩石等，总结出一些解决办法。
In view of the problems encountered in the construction of pile setting by grouting man dug hole, such as flowing sand, silty soil, underground water and rock, some solutions are summed up.
针对人工挖孔灌注桩在施工时遇到的问题，如流沙、淤泥质土、地下水、岩石等，总结出一些解决办法。
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