凿井法，开凿盐井的方法。开凿盐井需先选择地形，四川凿井多在两河夹岸山形险峻之处，云南则多于两山夹河中流一水之地，择有卤沙之处除地开凿。凿井时以铁锉寸凿而下，无论土石，即捣碎为泥，初则灌水凿之，及至二三丈，泉水始溢，不用灌水，每凿一二尺，泥沙堆积，用竹筒吸出，谓之掮泥。泥尽再凿，凿井既深，需以竹筒累接而下。凿至十余丈或二三十丈见有红砂岩时，需下木柱再行捣锉，直至井见水火。凿井步骤，依次分为开大口、下石圈、锉大口、下木柱、掮泥、锉小口、补井等。
... 凿井吊盘 sinking platform [stage] 凿井法 shaft sinking system 凿井工 shaftman ...
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冻结凿井法 freezing shaft sinking method ; freeze sinking method
板桩支架凿井法 sinking with piling
特殊凿井法 [矿业] special sinking method ; special shaft sinkingmethod ; special sinking
奥梯林冻结凿井法 [矿业] Oetling freezing method
第何蒂冻结凿井法 [矿业] Dehottay freezing method
科赫冻结凿井法 [矿业] Koch freezing process
钢缆凿井法 cable system
普通凿井法 conventional shaft sinking method
玻奇什盐水冻结凿井法 [矿业] Poetsch process
本文从泥浆的性能和土层的特点出发，对混凝土帷幕凿井法泥浆护壁机理进行了研究。
In view of the property of slurry and the peculiarity of true soil, the mechanism of slurry dado with concrete curtain wall method in shaft excavation has been studied in this paper.
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。
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.
金州石棉矿竖井的顺利下掘，说明在溶洞发育岩层中用注浆法凿井是可行的。
The shaft sinking with the aid of grouting in Jingzhou Asbestos Mine indicates that sinking is possible in aquiferous karst area.
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