复杂地质条件下人工挖孔桩的施工探讨

An Exploration into Hand-dug Pile under Complicated Geological Conditions

叙述了四川省雅安市行政中心工程的概况及场区工程地质条件,分析了场区降水情况及水势,指出了人工挖桩施工的难点、注意事项和对剩余无法通过人工挖孔完成作业桩的解决办法及安全注意要点。

Taking the administrative center,the building project of Ya an municipal government and municipal CPPCC,Sichuan Province,as the case,this paper introduces the general situation and geological conditions of the project,analyses the rainfall conditions and water potential,and points out the difficulty of hand-dug pile construction,the constructing instructions,the solutions to remaining matters that can not be hand-dug,and safety points to note.