大直径水下钻冲孔灌注桩的施工

The large diameter underwater percussive bored cast in place pile construction

结合某高速公路隆安花周大桥主桥中墩桩基的施工实例,从钻孔施工工艺、清孔吊装钢筋笼、灌注水下混凝土等方面介绍了桥梁大直径钻冲孔灌注桩的施工工序,并提出注意事项,以保证工程质量。

Combined with main bridge pier foundation construction of Long＇an Huazhou Bridge of an express highway,the bridge large diameter percussive bored cast in place construction procedure was introduced from drilling construction process,scouring lifting steel reinforcement cage,pouring underwater concrete aspects,and the matters need attention were proposed,so as to guarantee engineering quality.