| 高速滑坡岩体碰撞效应的试验研究 |
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| 引用本文： | 刘涌江,胡厚田,赵晓彦.高速滑坡岩体碰撞效应的试验研究[J].岩土力学,2004,25(2):255-260. |
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| 作者姓名： | 刘涌江 胡厚田 赵晓彦 |
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| 作者单位： | 1. 重庆交通科研设计院环境工程室，重庆 400067； 2. 西南交通大学 土木工程学院，四川 成都 610031 |
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| 基金项目： | 国家自然科学基金资助项目(No. 49872087)。 |
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| 摘 要： | 应用力学原理从理论上分析了大型高速滑坡岩体与阻挡山体的碰撞过程，得出了碰撞后滑坡岩体的平均运动速度和运动方向的关系式；通过碰撞试验研究了滑坡岩体碰撞解体后的加速运动效应，得出了不同速度段岩体体积的分布规律，为进一步研究远程活动阶段碎屑流的形成奠定了基础，对防灾减灾具有重要意义。
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| 关 键 词： | 高速滑坡 碰撞 加速运动效应 |
| 文章编号： | 1000-7598-(2004)02-0255-06 |
| 收稿时间： | 2002-09-16 |
| 修稿时间： | 2002年9月16日 |
Experimental study on impact effect of high-speed landslide |
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| LIU Yong-jiang,HU Hou-tian,ZHAO Xiao-yan.Experimental study on impact effect of high-speed landslide[J].Rock and Soil Mechanics,2004,25(2):255-260. |
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| Authors: | LIU Yong-jiang HU Hou-tian ZHAO Xiao-yan |
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| Institution: | 1. Chongqing Research & Design Institute of Communications, Chongqing 400067, China; 2. School of Civil Engineering Southwest Jiaotong University, Chengdu 610031, China |
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| Abstract: | The impact process of a large-sized high-speed landslide against the mountain body is analyzed theoretically with mechanical principles. A then the expression of average velocity and moving direction of the landslide rock-mass after impact are obtained. Through the impact experiments, the effect of acceleration motion of partial rock mass after impact is also studied. Finally, the volumetric distribution law of various segments with different velocities after impact is obtained. The results will be useful for reducing and preventing disasters. |
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| Keywords: | high-speed landslide Impact effect of acceleration motion |
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