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 demonstrates a successful freezing technology used in thick overburden of Dingji Mine, and sums up the experience of safe construction by freezing method in the 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.
将高强混凝土用于深厚表土层立井井筒工程中，能满足我国不断加深的钻井和冻结井筒建设的需要。
The use of high strength concrete in shaft lining of depth soil might meet with the constructive need of frozen and boring shafts.
针对深厚表土层中冻结钻孔存在的钻孔深、偏斜率难控制等施工存在的问题，提出了一些施工与管理的经验。
It is difficult to control the hole and the slope during frozen drill in profundity surface soil, this text bring forward some experience of management and construction.
本文对立井冻结段深厚表土层施工技术措施作了简要介绍，对立井深厚粘土层施工中出现问题进行分析探讨。
This paper introduced the technology and measures of shaft construction in thick clay strata, and analyzed the encountered problems.
随着我国煤矿开采深度的不断加大，对深厚表土层立井井壁所使用的高性能混凝土的强度、耐久性等性质的要求也越来越高。
With the increasing depth of coal mining in China, there is an immediate need to improve the strength and durability of high performance concrete used in deep topsoil mine shafts.
随着我国煤矿开采深度的不断加大，对深厚表土层立井井壁所使用的高性能混凝土的强度、耐久性等性质的要求也越来越高。
With the increasing depth of coal mining in China, there is an immediate need to improve the strength and durability of high performance concrete used in deep topsoil mine shafts.
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