• Results show that rock damaged under cyclical impact will obviously bring confining pressure effect, and the existence of confining pressure also increased the ability of rock against impact damage.

    结果表明岩石循环冲击损伤具有明显效应,围压存在提高了岩石冲击破坏的能力

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  • Through analyzing the normalized strength, the effect of reinforcement under different confining pressure is studied. The macro-behaviour of reinforced soil is analyzed.

    通过归一化强度分析研究了不同效果,分析了加筋土强度提高的宏观表现。

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  • Relationship between fracture toughness and confining pressure was introduced to describe the anchoring effect.

    引入断裂韧度关系反映锚杆的对围岩的加固作用

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  • Namely, the increase of confining pressure can suppress as well as induce the effect of dilatancy softening of dilatancy softening of frozen soil.

    增加可以抑制冻土膨胀软化效应可以诱导膨胀软化现象。

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  • Granule failure of calcareous sand is very special at low stress level. The effect of confining pressure on granule farlure is analyzed and its deformation mechanism discussed.

    针对应力水平钙质颗粒破碎现象具有特殊性,分析了钙质土颗粒破碎的影响,揭示变形过程的力学机制

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  • The pressure was then suddenly released in order to find out the critical condition of failure under the combined effect of confining pressure and pore pressure.

    轴对称实验装置上下施加的中心开的含瓦斯煤饼,将孔内压力突然降至大气压,求得煤样在侧压瓦斯压力联合作用临界破坏条件

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  • Moreover, for sandstone and granite with a single fracture, there is obvious hysteresis effect for the restitution of permeability in the process of unloading for confining pressure.

    在围压下降过程砂岩裂隙试件渗透率恢复存在明显应力滞后效应

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  • The experimental results indicate that unloading confining pressure has important effect on the intensity of rock.

    研究结果表明岩石强度影响很大

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  • The effect of unloading confining pressure on cohesion is more obvious than that of angle of internal friction.

    影响比对内摩擦的影响大。

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  • In this paper, the effect of different confining pressure and rock is studied. (2) Rock fracture process induced by double cutters and three cutters simultaneously is studied.

    双刀头、刀头同时作用以及三刀头顺次压入岩体破碎过程数值模拟。

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  • In this paper, the effect of different confining pressure and rock is studied. (2) Rock fracture process induced by double cutters and three cutters simultaneously is studied.

    双刀头、刀头同时作用以及三刀头顺次压入岩体破碎过程数值模拟。

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