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。
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。
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。
Based on the similitude theory the paper discusses the modelling principle of shaft freezing and sinking. Also, the design of the model test rig is described.
本文应用相似理论，研究论述了竖井冻结过程和掘砌过程的模化原理，及模拟试验台的设计和试验。
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。
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。
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。
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。
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。
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