• 高强混凝土用于深厚表土层立井井筒工程中,满足我国不断加深钻井冻结井筒建设需要

    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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  • 冻结射孔注浆对石油输油井射孔技术地面注浆技术进行研究基础上,开发出的一种用于煤矿冻结井筒围岩加固和堵水的全新技术。

    Cement injection of perforating holes in a frozen pipe is a wholly new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines.

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  • 井筒几何尺寸温度变化确定的情况下,冻结立井随着表土深度增加破裂可能性随之增大。

    With the geometrical size and temperature exchange value of the mine shaft, the possibility of the cracking on the mine freezing shaft would be increased with the depth of the overburden.

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  • 实现快速安全经济优质煤矿冻结法凿目前新一轮煤矿井筒建设追求目标

    Realizes fasti safe, economical, the high quality coal mine freezing process drills a well, is the present new turn coal mine well chamber construction pursue goal.

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  • 本文用数值计算方法研究井筒三圈冻结冻结温度变化规律,获得了冻结温度场的变化规律,冻结设计提供了参考

    Numerical simulation is used to study on the regularities of variation temperature field of a frozen shaft, which offer references for frozen shaft lining design.

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  • 开展人工冻结岩石试验研究探讨冻结岩石相关物理力学特性井筒冻结设计具有重要指导意义

    Developing the experimental study of artificial freeze rock, and discussion about physical and mechanics characteristic of freezing rock, have the important guiding sense to the shaft freeze design.

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  • 赵固井筒穿过冲积厚度达到528.85m地质水文地质条件复杂冻结设计施工难度较大。

    The alluvium thickness of air shaft in Zhaogu No. 2 Coal Mine is up to 528.85 m. The geologic and hydrographic conditions are complex, so it is very difficult for freezing design and construction.

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  • 介绍了邢台兴华煤矿井筒冻结施工工程设计冻结失败原因分析

    The engineering design of freeze sinking in shaft of Xinghua Coal Mine is introduced and the causes for its failure are analyzed.

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  • 介绍了唐口副井井筒冻结段深厚膨胀黏土施工、外层井壁变形破坏情况采取有效措施,取得了一些有用的经验。为类似地层施工提供借鉴。

    The original emphasizesd on construction in mine shaft deep thick swelling claypan in Tang-kou, the damage of outward layer a well of wall and some efficient measures.

    youdao

  • 介绍了唐口副井井筒冻结段深厚膨胀黏土施工、外层井壁变形破坏情况采取有效措施,取得了一些有用的经验。为类似地层施工提供借鉴。

    The original emphasizesd on construction in mine shaft deep thick swelling claypan in Tang-kou, the damage of outward layer a well of wall and some efficient measures.

    youdao

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