• 中中隧道采用凿岩台车眼,进行断面开挖

    Tunnel in hard rock may be excavated in whole section by using chiseling rock trolley to drill small holes.

    youdao

  • 文章应用非线性塑性模型,对土地浅埋隧道断面开挖过程进行了三维有限元分析。

    A nonlinear elastoplastic model is applied to simulate the full face 3-d excavation process of a shallow tunnel embedded in layered soil.

    youdao

  • 隧洞断面采用曲线形状; 宜采用控制爆破断面开挖减少围岩扰动以保持岩体能力

    The tunnel section is advised to adopt curved shape and full-face excavation by controlled blasting to reduce disturbance on surrounding rock and maintain its self-supporting capability.

    youdao

  • 断面适用于围岩坚固稳定,采用钻孔爆破方法将洞室开挖断面一次性开挖成型地下建筑工程洞室开挖掘进方法。

    The whole section explosion method which is the one for underground construction digging, suitable for stable and strong dam, form a section for one time by drilling explosion.

    youdao

  • 断面适用于围岩坚固稳定,采用钻孔爆破方法将洞室开挖断面一次性开挖成型地下建筑工程洞室开挖掘进方法。

    The whole section explosion method which is the one for underground construction digging, suitable for stable and strong dam, form a section for one time by drilling explosion.

    youdao

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