柔性钢棚洞结构在落石灾害防治中的应用研究

刘成清; 陈林雅; 陈驰; 李俊君; 赵世春

doi:10.3969/j.issn.0258-2724.2015.01.016

柔性钢棚洞结构在落石灾害防治中的应用研究

doi: 10.3969/j.issn.0258-2724.2015.01.016

基金项目:

国家自然科学基金资助项目(51278428)

中央高校基本科研业务费专项资金资助项目(2682014CX066)

详细信息

作者简介:
刘成清(1976-), 男, 副教授, 博士, 研究方向为工程抗震及抗冲击, E-mail:lcqtj@qq.com

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出版历程
- 收稿日期: 2013-12-05
- 刊出日期: 2015-02-25

Application of Flexible Shed-Tunnel Structure to Rock-Fall Hazard Prevention

摘要

摘要: 为了解决柔性钢棚洞结构研究和设计依据缺乏的问题,针对我国交通建设中落石灾害的广布偶发与集中群发的特点,比较了不同落石灾害防治措施在工程应用中的优缺点,分析了刚性和柔性棚洞结构的特点及在设计理论、动力性能及稳定性能等方面的研究现状;并利用有限元软件ANSYS进行数值模拟,结果表明:在相同宽度、延伸长度和防护能级的条件下,柔性钢棚洞在结构受力、施工、环保和经济性等方面具有显著优越性,特别适用于隧道、公路进出口对落石的防护,尤其是快速抢修抢建工程.
- 落石灾害 /
- 棚洞结构 /
- 数值模型 /
- 柔性防护结构 /
- 研究进展
Abstract: To deal with the lack of research and design basis of flexible shed-tunnel structures, different types of protective structures for rock-fall hazards prevention and control were compared, according to the feature of widely distributed and concentrated mass of rock-fall hazards during traffic constructions in China. The structural characteristics of rigid and flexible shed-tunnel structures and the state-of-art-of in design theory, dynamic performance, stability performance, etc. were analyzed. Then, a numerical simulation was carried out using the finite element software ANSYS. The results show that under the same width, length, and protection level conditions, the flexible shed-tunnel structure has remarkable superiority in stress, construction, environmental protection, economy etc.; and hence is suitable for the rock-fall protection at the entrance and exit of highways and tunnels, especially in the emergency projects.
- rock-fall hazards /
- shed-tunnel structure /
- numerical models /
- flexible protective structures /
- reviews

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参考文献(73)

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文章访问数: 1702
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柔性钢棚洞结构在落石灾害防治中的应用研究

doi: 10.3969/j.issn.0258-2724.2015.01.016

作者简介: 刘成清(1976-), 男, 副教授, 博士, 研究方向为工程抗震及抗冲击, E-mail:lcqtj@qq.com

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Application of Flexible Shed-Tunnel Structure to Rock-Fall Hazard Prevention

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作者简介:
刘成清(1976-), 男, 副教授, 博士, 研究方向为工程抗震及抗冲击, E-mail:lcqtj@qq.com