| 滚石运动模拟分析与危险性评价 |
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| 引用本文： | 熊剑,邓辉.滚石运动模拟分析与危险性评价[J].路基工程,2015,0(3):51-54. |
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| 作者姓名： | 熊剑 邓辉 |
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| 作者单位： | 成都理工大学地质灾害防治与地质环境保护国家重点实验室, 成都 610059 |
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| 摘 要： | 随着公路在山区的建设和使用,危岩体不断地威胁着公路的安全使用。以茂县渭门乡危岩体为例,运用Rockfall软件对滚石的运动轨迹、冲击动能进行模拟,并通过赫兹碰撞理论、质点弹性理论接触问题两种计算方法,分析和求解滚石对行车的最大冲击力;从而得到滚石下落的落点区域主要集中在公路上、滚石下落到公路区域时的动能以及滚石撞击汽车时最大冲击力,综合判定危岩体对公路安全使用造成的危害,必须采取有效措施加以防治,确保安全。
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| 关 键 词： | 危岩体 滚石 Rockfall软件 赫兹碰撞理论 质点弹性理论 |
| 收稿时间： | 2019-11-06 |
Simulation Analysis and Risk Assessment of Rockfall Movement |
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| Authors: | XIONG Jian DENG Hui |
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| Abstract: | With construction and use of the highway in mountainous area, the unstable rock mass constantly threatens the safety of the highway. Taking potential unstable rock mass of Weimen village in Maoxian County as an example, the software of Roekfall has been used for simulating the motion track and the rockfall impact kinetic energy, and the Hertz collision theory and Particle elastic theory are adopted for analyzing and solving the maximum impact force of the rolling stone on the running vehicles, further getting the kinetic energy when the rolling stone mainly falls down on the highway and the maximum impact force produced when the rolling stone hits the automobile. Based on this, it is required to comprehensively discuss the dangers of the potential unstable rock mass to the highway safety use. Thus the effective measures must be taken for control to ensure the safety. |
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| Keywords: | potential unstable rock mass the rolling stones the software of Rockfall Hertz collision theory particle elastic theory |
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