钻孔桩穿越粉质土层的施工工艺

On the construction technique of drilled pile penetrating sandy silt

结合京沪高铁濉河特大桥钻孔灌注桩的施工,通过研究工程地质条件及粉土的一般特性,分析了钻孔灌注桩穿越粉质土层时的施工工艺,并提出了预防措施,以确保施工质量。

Combing with the construction of cast-in place pile at Sui river grand Bridge of Jing-Hu high speed railway, and based on the research of engineering geological conditions and general features of sandy silt, it analyzes the construction technique of drilled pile penetrating sandy silt and puts forward precautionary measures to ensure the construction quality.