某特大桥海上钻孔桩施工技术

Construction Technology of Bored Piles in A Special Bridge

结合工程实际,阐述了海上钻孔桩施工的钢护筒插打方法,平台搭设方案,泥浆的制备、循环和净化,桩基的开孔、钻进、终孔和灌注,总结海上钻孔桩施工的方法,适用于今后的海上钻孔桩施工。

Combined with engineering practice,the method of inserting steel casings for offshore bored pile construction, platform erection scheme,preparation,circulation and purification of mud,opening,drilling,final hole and perfusion of pile foundation are summarized.The method of bored pile construction is suitable for future offshore bored pile construction.