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。