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Home > Urban and Rural Studies > 2020 No.05 > 隧道换拱新途径

  • 隧道换拱新途径

    Author(s)：

    盖儒生

    Publication Title：

    Urban and Rural Studies 2020 No.05

    Affiliations：

    天津新亚太工程建设监理有限公司

    Abstract：

    隧道初支侵限一旦形成,换拱造成塌方的概率很大.难点在于剔除喷射混凝土和移位围岩很困难,以致动用破碎锤、松动爆破,对围岩稳定产生负面影响.采用钻机、不取芯刮刀钻头,对喷射混凝土和移位围岩进行分层研磨、侧向切削,解决剔凿困难,进而保证了初支侵限换拱的安全、质量.

    Keywords：

    初支换拱;不取芯刮刀钻头;侧向切削;解决

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    [1] 盖儒生.隧道换拱新途径[J].Urban and Rural Studies,2020(05),.

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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