沉管灌注桩围壁在深基开挖中的应用

在一些水利工程如泵站、水闸等的施工实践中,常常会碰到在软基上进行深基开挖所带来的问题,尤其对受场地限制的工程来说,无法进行常规开挖,而必须考虑其它的开挖措施。通过经济技术比较及实践,证明了利用沉管灌注桩围壁进行深基开挖的优越性,并且通过对整个施工过程的观测、试验、总结,为这一技术的进一步应用提供了实践经验。

Application of Sinking Tube Pouring Stake Surrounding Wall in Excavation of a Deep Base

The problems caused by deep base excavation in the soft base will happen in construction of hydraulic engineering,such as pumping station,sluice et al.In particular,the new excavation measures have to be considered when the construction site is limit-ed and normal excavation method is impossible.The advantages of the sinking tube pouring stake surrounding wall for excavation of adeep base have been proved by practice and economic and technique comparison.The practice experience for application of the construc-tion technique has been developed by observation,measurement,testing and summary of the whole construction process.