Research on Impact Resistance for Innovation Debris Flow Blocking Dam Equipped with Spring Support

郑国足; 王秀丽; 张守丽

doi:10.13409/j.cnki.jdpme.2014.05.023

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Research on Impact Resistance for Innovation Debris Flow Blocking Dam Equipped with Spring Support

更新时间：2025-12-11

- Research on Impact Resistance for Innovation Debris Flow Blocking Dam Equipped with Spring Support
- Vol. 34, Issue 5, Pages: 551-558(2014)
- 作者机构：
- 作者简介：
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- DOI：10.13409/j.cnki.jdpme.2014.05.023
  CLC： 642.23
- Published：2014
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[1]郑国足,王秀丽,张守丽.带弹簧支撑的新型泥石流拦挡坝抗冲击性能研究[J].防灾减灾工程学报,2014,34(05):551-558.

郑国足, 王秀丽, 张守丽. Research on Impact Resistance for Innovation Debris Flow Blocking Dam Equipped with Spring Support[J]. 2014, 34(5): 551-558.
[1]郑国足,王秀丽,张守丽.带弹簧支撑的新型泥石流拦挡坝抗冲击性能研究[J].防灾减灾工程学报,2014,34(05):551-558. DOI： 10.13409/j.cnki.jdpme.2014.05.023.

郑国足, 王秀丽, 张守丽. Research on Impact Resistance for Innovation Debris Flow Blocking Dam Equipped with Spring Support[J]. 2014, 34(5): 551-558. DOI： 10.13409/j.cnki.jdpme.2014.05.023.

摘要

为了解决普通重力式泥石流拦挡坝在大规模泥石流发生时容易被大块石损毁的问题

提出带弹簧支撑的新型泥石流拦挡坝

并采用钢球代替泥石流中的大块石

运用有限元软件ANSYS/LS-DYNA对这种新型坝体进行泥石流大块石的冲击模拟

从坝体的变形、支反力、Von Mises应力、加速度和应变率5个方面与普通重力式拦挡坝进行对比分析。结果表明:与普通泥石流拦挡坝相比

带弹簧支撑的新型泥石流拦挡坝的支反力可减小3/4左右

钢球的冲击加速度可降到1/3.87

坝体的响应加速度可降到1/2.61

说明带弹簧支撑的新型泥石流拦挡坝具有非常好的抗冲击性能。

Abstract

To solve the problem that ordinary gravity dam is easily damaged in large scale debris flows

a new debris flow blocking dam with spring support is proposed

and steel balls are used instead of large debris flow stones. This new type of debris flow dam was simulated under the impact of large debris flow stones by using finite element software Ansys /ls- dyna. The analysis of comparison between the new debris flow blocking dam and the ordinary gravity dam was made on deformation

reaction forces

the von Mises stress

acceleration and strain rate. The results show that compared with the ordinary gravity dam

the reaction forces of the new dam can be reduced to 1 /4

the impact acceleration of the ball can be reduced to 1 /3. 87

and the acceleration response of the dam can be reduced to 1 /2. 61. This research suggests the new style dam with spring support has a very good impact performance.

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references

新型带弹簧支撑抗冲击研究及其在泥石流拦挡坝中的应用 [J]. 王秀丽,郑国足. 中国安全科学学报 . 2013(02)

甘肃舟曲三眼峪沟泥石流动力学特征参数计算 [J]. 邓虎,陈宁生,胡桂胜,卢阳. 重庆交通大学学报(自然科学版) . 2011(04)

单切口坝对稀性泥石流的拦砂性能——试验研究与比较分析 [J]. 韩文兵,欧国强. 自然灾害学报 . 2008(04)

无铰拱形泥石流拦挡坝研究 [J]. 张宇,王青,尹明. 自然灾害学报 . 2006(02)

四川色达县切都柯沟“7.8”泥石流灾害特征及危险性分析 [J]. 吕学军,刘希林,苏鹏程. 防灾减灾工程学报 . 2005(02)

泥石流梁式格栅坝拦砂性能试验研究 [J]. 游勇. 水土保持学报 . 2001(01)

冲击动力学[M]. 清华大学出版社 , 余同希, 2011

泥石流及其综合治理[M]. 科学出版社 , 吴积善等著, 1993

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