drainage

The construction techniques and drain measures for casting the concrete pile in man-dug hole in aquifer stratum to strengthen the foundation of Baiyangtou flyover bridge at Jiande section of Hangzhou to Thousand Islands Lake express way are described.

介绍了浙江杭千高速公路建德段白羊头立交桥桥墩工程的人工挖孔灌注桩施工方法,以及人工挖孔灌注桩在含水层中施工的导流排水措施。