Research on Motion Models of Particle of Sand-sliding

QUE Yun; WANG Lei; ZHANG Zhiyong; HAN Baoguo

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Research on Motion Models of Particle of Sand-sliding

- Research on Motion Models of Particle of Sand-sliding
- Bulletin of Soiland Water Conservation Vol. 25, Issue 3, Pages: 59-62(2006)
- 作者机构：
  
  1. 同济大学道路与机场工程系,上海,200092
  2. 北京京园诚得信工程管理有限公司,北京,100044
  3. 中国路桥集团公路一局天津工程处,天津,300451
  4. 浙江省交通工程建设集团第五分公司,浙江,杭州,310021
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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QUE Yun, WANG Lei, ZHANG Zhiyong, et al. Research on Motion Models of Particle of Sand-sliding[J]. Bulletin of Soiland Water Conservation, 2006, 25(3): 59-62.
DOI：

QUE Yun, WANG Lei, ZHANG Zhiyong, et al. Research on Motion Models of Particle of Sand-sliding[J]. Bulletin of Soiland Water Conservation, 2006, 25(3): 59-62. DOI：

摘要

溜砂灾害是在山区中较常见的一种自然灾害

由于其爆发频繁、随机性强

常对交通运输、工农业生产和人民生命财产都带来极大的危害和损失。运用Mohr-Coulomb准则和能量守恒定律分别推导单个砂粒滑动判别条件和滚动条件；引入弹性恢复系数法描述砂粒间碰撞问题。该成果对于正确认识溜砂灾害形成机理有较为积极的作用

并且可以为溜砂灾害的防治提供参考。

Abstract

As one of mountain hazards

sand-sliding hazard usually endangers severely transportation

industrial and agricultural production and our life and property because the frequency of their occurrences is high.Mohr-Coulomb criterion and energy conservation law were applied to deduce the sliding critical condition and rolling condition of single sand.The restitution coefficient was applied to describe the impact problem.The research findings may help to understand the formative mechanism of sand-sliding hazard and control of sand-sliding hazard.

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Related Institution

Department of Highway & Airport Engineering, Tongji University

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