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Home > Wen Yuan (Middle School Edition) > 2020 No.02 > 坚硬顶板切顶沿空留巷围岩控制技术分析

  • 坚硬顶板切顶沿空留巷围岩控制技术分析

    Author(s)：

    刘延非

    Publication Title：

    Wen Yuan (Middle School Edition) 2020 No.02

    Affiliations：

    山西金晖隆泰煤业有限公司 山西 长治 046500

    Abstract：

    为了使开采面的接替采掘工作局面得到缓解，需要对坚硬顶板工作面进行深部开采，并将沿空留巷围岩的控制难题有效解决。对于坚硬顶板工作面，当对沿空留巷技术进行采用时，采空区将会从顶板垮落，进而导致留巷段围岩的应力集中程度有所加剧，因此需要合理设定留巷段切顶高度，确保能够将坚硬岩层切断。在此期间，结合动压分布特点，需要采取分段的方式来控制留巷段围岩。本文针对坚硬顶板切顶沿空留巷围岩控制技术进行分析，介绍了沿空留巷的围岩应力和变形，探讨了顶板预裂切缝和支护设计，并提出具体的控制技术，希望能够为相关工作人员起到一些参考作用。

    Keywords：

    坚硬顶板；沿空留巷；围岩控制技术

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    [1] 刘延非.坚硬顶板切顶沿空留巷围岩控制技术分析[J].Wen Yuan (Middle School Edition),2020(02),.

文渊(中学版)
Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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