某综合管廊不均匀沉降的综合治理

本文介绍了综合管廊在软土地基施工过程中由于拔除拉森钢板桩后产生一系列地基扰动问题,如软土地基土层产生不均匀沉降,使管廊变形缝处出现错台现象等。通过拔桩注浆试验、实测数据对比、分析、总结,并采取相应的工程补救措施,这些问题得到有效的控制和解决。本文通过对此类工程的总结,提出了一些经验,对今后类似的管廊工程、给排水工程在软土地基施工时提供一定的借鉴。

Comprehensive Treatment of the Uneven Settlement for a Pipe Gallery

During the constrution of pipe gallery in soft soil base,there has been a series of foundation disturbances caused by pulling Lassen steel sheet pile,such as uneven settlement of foundation soil,dislocation occurs at the deformation joint etc.Through ＂pile-pulling and grouting test＂,contrast and analysis of the measured data,taking appropriate remedial engineering measures,these problems have been effectively controlled and resolved.Based on the summary of the work,some experiences were gained,meanwhile it also has a reference for design and construction of the similar pipe gallery,water supply and sewerage engineering in soft soil area in the future.