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Home > Urban and Rural Studies > 2021 No.06 > 凝灰岩水压爆破施工技术

  • 凝灰岩水压爆破施工技术

    Author(s)：

    周长赞

    Publication Title：

    Urban and Rural Studies 2021 No.06

    Affiliations：

    中铁十四局集团第五工程有限公司

    Abstract：

    目前国内隧道开挖主要采用新奥法开挖，在人工钻孔的大环境下隧道解决隧道超耗问题就显得尤为重要。本篇主要讲解光面爆破，就是控制爆破的作用范围和方向，使爆破后的围岩面光 滑平整，防止岩面开裂，以减少超、欠挖和支护的工作量，增加岩壁的稳固性，减少爆破的震动作用，进而达到控制岩体开挖轮廓的一种技术，主要适用于II、III级围岩。

    Keywords：

    隧道超耗；光面爆破；开挖轮廓

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    [1] 周长赞.凝灰岩水压爆破施工技术[J].Urban and Rural Studies,2021(06),.

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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