钻孔灌注桩施工技术在市政桥梁施工中的运用分析

Analysis on the Application of Bored Pile Construction Technology in Municipal Bridge Construction

分析了钻孔灌注桩施工技术在市政桥梁施工中的常见问题及解决措施,包括塌孔、钻孔倾斜以及灌注桩位置偏移等,并在此基础上,介绍了钻孔灌注桩施工技术在市政桥梁施工中的具体应用,包括护筒掩埋、钻孔施工、泥浆护壁、钻孔清理、钢筋笼绑扎与吊装、混凝土灌注等技术,提出了施工过程中的质量控制措施。

This paper analyzes the common problems and solutions of bored cast-in-place pile construction technology in municipal bridge construction,including hole collapse problem,borehole inclination problem and the position deviation problem of cast-in-place pile.On this basis,the concrete application of bored pile construction technology in municipal bridge construction is introduced,including the burial of protective cylinder,drling construction,mud wall protection,driling cleaning,binding and hoisting of reinforcement cage,concrete pouring,etc.At the end ofthe paper,the quality control measures in the construction process are expounded.