...里巴巴冶金资讯 关键词： 深厚表土层；约束混凝土；模型试验；内钢板复合井壁；极限拉应变[gap=963]Key words： deep alluvium； confined concrete； model test； composite shaft lining of inner steel cylinder；..
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Aiming at the deep alluvium support of coal shaft, the composite shaft lining of high strength concrete and double steel cylinders is presented.
针对煤矿立井井简深厚表土层的支护，提出了采用双层钢板高强混凝土复合井壁结构。
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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.
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