This paper introduces the main manufacture technologies and sinkingmethod of large caisson.
本文介绍大型沉井施工的主要技术。
2
The freezing method became the preferred shaft sinkingmethod when constructing in thick alluvium and unstable aquifer.
冻结法已成为深厚冲积层及不稳定含水层的首选施工方法。
3
This paper analyses the piston effect problem in dellling shaft sinkingmethod and its detriments. In the meantime, the approaches of solving the problem are proposed by the author.