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Home > Urban and Rural Studies > 2023 No.12 > 敞开式TBM煤矿斜井支护关键技术及优化分析

  • 敞开式TBM煤矿斜井支护关键技术及优化分析

    Author(s)：

    康元锋

    Publication Title：

    Urban and Rural Studies 2023 No.12

    Affiliations：

    中铁十五局集团城市轨道交通工程有限公司

    Abstract：

    陕西是我国产煤大省，尤其陕北地区煤炭资源储量丰富。为缩短建设期斜井施工工期和提升投产期的煤炭产量，各大型煤矿积极寻求各种快速施工新方法，其中敞开式TBM施工工艺更贴近煤矿巷道建设现状，是各大煤矿引进先进巷道掘进施工工艺的首选项。但长距离大埋深富水斜井巷道围岩存在变形、破碎、片帮等严重地质问题，而合理的支护技术是稳定掘进施工的关键重点。研究结果表明：锚网索喷支护手段可以有效控制斜井TBM掘进围岩扰动，长短锚杆锚索联合支护优化方案亦可满足围岩变形控制要求。

    Keywords：

    敞开式TBM；斜井巷道；支护优化；离散元

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    [1] 康元锋.敞开式TBM煤矿斜井支护关键技术及优化分析[J].Urban and Rural Studies,2023(12),.

城镇建设
Urban and Rural Studies

Language: 中文

CN：10-1589/TU

ISSN：2096-6539

Publication Frequency: 半月刊

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