饱和水砂砾石层中沉井施工技术

Construction Technology of Open Caisson in Saturated Sand-gravel Stratum

在佳木斯越江盾构隧道始发井施工中,采用井内排水下沉法和不排水下沉法的施工技术,解决了饱和水砂砾石层中带十字梁的沉井的施工技术难题,取得了较好的效果。

In construction of the starting well of the shield tunnel cross Songhuajiang river in Jiamusi city, engineers adopted the drainageinwell sinking method and the undrainage sinking method to solve construction technical problems of open caisson with crossbeam in sandgravel stratum. These method got good effect.