钢管桩打拔桩施工研究

Construction Research of Pipe Pile'Driving and Extracting

文章结合杭州湾跨海大桥南岸滩涂区的工程地质和施工特点,针对栈桥基础钢管桩的打入和拔出方案进行了比选;对振打设备的选择,应用了振动沉桩计算理论,对该理论进行了分析验证,成功解决了滩涂施工中钢管桩打入和拔出的技术难题,有力保证了南岸栈桥施工的快速顺利进行。

In the combination with the engineering geology and the construction features of the mudflat area on the south bank of the oversea bridge in Hangzhouwan,the paper makes comparison of the pile driving and extracting themes to the pipe foundation of the landing stage .In the selection of the shaking equipment, the vibrosinking theory is applied and it is also through the analysis of this theory, the difficult technical problem of the driving and extracting piles in mudflat area is solved, the rapid and successful construction of the landing stage on the south bank is effectively ensured.