freezing shaft sinking method 冻结凿井法 ; 温度分布
freeze sinking method 冻结凿井法
natural sinking method 自然沉降法
conventional shaft sinking method 普通凿井法 ; [矿业] 习用凿井方法
special sinking method [矿业] 特殊凿井法
box-sinking method 沉箱掘进法
pile-sinking method 沉桩方法
This paper introduces the main manufacture technologies and sinking method of large caisson.
本文介绍大型沉井施工的主要技术。
The freezing method became the preferred shaft sinking method 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。
This paper analyses the piston effect problem in dellling shaft sinking method and its detriments. In the meantime, the approaches of solving the problem are proposed by the author.
本文分析了钻井法凿井中所出现的钻井活塞效应问题及带来的危害．提出了解决钻井活塞效应的方向和途径。
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