Some factors of success in shaft sinking by freezing method are summarized.
总结了冻结法施工的一些成功因素。
The security of freezing wall is the key problem of freezing shaft sinking in deep alluvium.
冻结壁的安全性是深厚冲积层中冻结凿井的关键问题。
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。
The shaft sinking with the aid of grouting in Jingzhou Asbestos Mine indicates that sinking is possible in aquiferous karst area.
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。
This paper introduces the successful freezing technology and construction experience of Dingji air shaft sinking in thick overburden.
本文阐述了丁集矿井成功的深厚表土层冻结技术，总结了深厚表土层冻结安全施工经验。
Whether or not sinking platform rope can be used as guide rope in shaft sinking is an issue that is being argued and worth to be discussed.
立井施工吊盘绳是否能兼稳绳，是目前尚有争议、值得探讨的一个问题。
The whole shaft sinking process was safe, high quality, rapid and high efficient, which created a new record of shaft sinking by freezing method.
在整个施工过程中，安全、优质、快速、高效，创造了我国冻结立井施工的新记录。
It provides the experiential and technical assistance for shaft sinking by freezing method in thick overburden of Juye coalfield and other mining areas.
本文总结了龙固副井的冻结施工工艺，为巨野煤田以及深厚表土的冻结施工提供了经验和技术保证。
Due to its convenience and economical efficiency, the high-strength concrete shaft lining has been widely used in deep shaft sinking by freezing method.
深冻结井高强混凝土井壁作为一种施工方便、经济的井壁结构被广泛得到应用。
In the artificial freezing shaft sinking project, the freeze design is a core technology, which relates to the entire freezing project success or failure.
冻结设计是人工冻结法凿井工程技术核心，关系到整个冻结工程的成败。
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。
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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