岩溶地区钻孔灌注桩施工要点分析

Analysis on Construction Gist of Cast-in-situ Pile in Karst Area

钻孔灌注桩是地下隐蔽工程,每座桥梁的地质情况千差万别,尤其在溶洞发育的复杂地质条件下,就要特别重视。总结了武汉市八一路延长线工程菱角湖大桥灌注桩施工的经验,详细阐述了岩溶地区钻孔灌注桩施工的工艺流程、灌注桩质量控制的要点以及特殊情况下的应对方法等。

The cast-in-situ pile is an underground concealed works. The geological condition of each bridge is different, especially under the complex geological condition of the developing limestone cave, which should be paid more attention. The article sums up the experience in the construction of the cast-in-situ piles for Lingjiao Lake Bridge in Wuhan City Bayi Road Expanding