Their use made the design of roadway surrounding rock supporting safer.

这些结果的应用使巷道岩石支护的设计更趋于安全.

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The test results also indicate that the restraint of the surrounding rock has scale effect.

测试成果还表明,围岩约束具有尺度效应.

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Direct to the shortage existing in the classification of surrounding rock stability, provide a new method.

针对目前围岩稳定性分类方法存在的不足, 给出一新的分类法.

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The degree of weathering of surrounding rock is serious and the geological conditions are complicated.

隧道洞口段埋深较浅,围岩风化严重,地质条件最为复杂.

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The influencing factors of the stability of surrounding rock masses are mutually associated and constrained.

影响地下洞室围岩稳定性因素是相互关联、相互制约的.

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It considered that the floor heave gob was the principal character of surrounding rock distortion.

得出底鼓是该类型巷道围岩变形的主要特征.

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The present method could make the supporting of roadway surrounding rock safe and economic.

按最优恒阻支护计算方法设计巷道支护,可以达到经济且安全的最佳支护效果.

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The surrounding rock of the cave consists of thick - layer limestone, dolomite and a little shale.

电站地下洞室围岩以厚层灰岩 、 白云岩为主,夹少量页岩.

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Anchor concreting is an effective support technique to control surrounding rock deformation and keep tunnel stability.

锚杆注浆是一种行之有效的控制围岩变形和保证巷道稳定的支护技术.

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The stability characters of the roadway surrounding rock ellected static pressure and dynamic pressure are analyzed.

分析了静压及动压作用下巷道围岩的稳定性特点,并论述了动压作用下巷道围岩控制原理与技术.

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The surrounding rock of roadways in soft coal seam has low strength and bad stability.

软煤巷道围岩强度低,稳定性差.

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The stability evaluation of surrounding rock is important base for tunnel retaining design.

隧洞围岩的稳定性评判是洞室支护设计的重要依据.

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Surrounding rock quality classification is one of the professional key works in tunneling and underground engineering.

围岩质量分类是隧道及地下工程领域重要的技术工作之一.

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