Simulation experiment on anti-penetration capability of anchored rock mass

Xia Songlin , Liu Hongwei , Han Lijun , Xu Guoan
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Abstract

In order to solve the problem of experimental research on the penetration process of projectile into anchored rock mass, we derived the essential similarity conditions for the physical simulation experiment according to the similarity theory, carried out the experiment on the penetration process of a kind of penetrating bomb into the anchored rock mass of type III, and compared the experimental results with the values computed by the professional Young’s empirical formula. The test results show that the physical simulation experiment can represent the actual penetration process of projectile into anchored rock mass. The research method proposed in this paper provides technical support for the experimental research on the design and reconstruction of underground protection works.

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锚固岩体抗侵彻能力模拟试验
为了解决弹丸入锚岩体侵彻过程的实验研究问题,根据相似理论推导出物理模拟实验的必要相似条件,对一种侵彻弹入III型锚岩体的侵彻过程进行了实验,并将实验结果与专业杨氏经验公式计算值进行了比较。试验结果表明,物理模拟实验能较好地反映弹丸侵彻锚固岩体的实际过程。本文提出的研究方法为地下防护工程设计与改造的试验研究提供了技术支持。
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