桩底压浆工艺在杭州湾跨海大桥钻孔灌注桩中的应用

The Application of Pile-bottom Grouting Technology in the Bored Pile Construction of the Cross-sea Bridge at Hangzhou Bay

桩底压浆是钻孔灌注桩提高桩端承载力的一项重要措施。通过对压浆工艺的探讨和整个施工过程的控制,保证了工程质量。

Pile-bottom grouting is an important measure to increase the pile-end bearing capacity of the bored pile. Through exploration into the grouting technology and control of the whole construction process, satisfactory construction quality is achieved.