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Home > Urban and Rural Studies > 2020 No.09 > TBM穿越断层蚀变岩带卡机事故综合处置

  • TBM穿越断层蚀变岩带卡机事故综合处置

    Author(s)：

    张欣

    Publication Title：

    Urban and Rural Studies 2020 No.09

    Affiliations：

    新疆水利水电勘测设计研究院地质勘察研究所

    Abstract：

    TBM具有安全高效掘进的特点,在地下工程领域得到了广泛的应用.但当TBM穿越地质条件复杂的地层时,由于设备对地层条件的变化较为敏感,往往会影响TBM在掘进效率上的优势.本文以新疆某引水工程为工程实例,针对TBM穿越蚀变岩带出现的塌方卡机事故进行了综合处置方案的研究.结果 表明,可将刀盘推力、扭矩以及皮带机出渣情况的异常变化作为判定塌方卡机风险概率的前兆信息.通过对刀盘前方、护盾顶部进行注浆加固,并在TBM掘进时采取"三低一连续"的施工原则,对围岩进行加强支护,最终TBM顺利通过蚀变岩带.研究成果为TBM穿越蚀变岩带的施工提供了宝贵经验.

    Keywords：

    TBM;蚀变岩带;塌方;卡机

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    [1] 张欣.TBM穿越断层蚀变岩带卡机事故综合处置[J].Urban and Rural Studies,2020(09),.

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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