[1]程云,郑六益,莫默,等.瓦厂特大桥陡崖落石运动特性分析及危险性分区评估[J].高速铁路技术,2022,13(03):24-29.[doi:10.12098/j.issn.1674-8247.2022.03.005]
CHENG Yun,ZHENG Liuyi,MO Mo,et al.Analysis of Cliff Rockfall Motion Characteristics and Hazard Zoning Assessment of Wachang Super Major Bridge[J].HIGH SPEED RAILWAY TECHNOLOGY,2022,13(03):24-29.[doi:10.12098/j.issn.1674-8247.2022.03.005]
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瓦厂特大桥陡崖落石运动特性分析及危险性分区评估(
)
《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]
- 卷:
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13卷
- 期数:
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2022年03期
- 页码:
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24-29
- 栏目:
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- 出版日期:
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2022-06-28
文章信息/Info
- Title:
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Analysis of Cliff Rockfall Motion Characteristics and Hazard Zoning Assessment of Wachang Super Major Bridge
- 文章编号:
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1674—8247(2022)03—0024-06
- 作者:
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程云; 郑六益; 莫默; 王亮
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中铁二院贵阳勘察设计研究院有限责任公司, 贵阳 550002
- Author(s):
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CHENG Yun; ZHENG Liuyi; MO Mo; WANG Liang
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Guiyang Branch of China Railway Eryuan Engineering Group Co., Ltd., Guiyang 550002, China
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- 关键词:
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陡崖落石|模拟分析|运动特性|危险性分区
- Keywords:
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cliff rockfall|simulation analysis|motion characteristics|hazard zoning
- 分类号:
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TU457
- DOI:
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10.12098/j.issn.1674-8247.2022.03.005
- 文献标志码:
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A
- 摘要:
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本文采用RFA落石分析软件对瓦厂特大桥陡崖落石进行模拟分析,得出如下结论:(1)当落石直径一定时,落石对桥墩的冲击高度、落石最大冲击能量、最大旋转能量、最大平移速度随落石落点高度上升而增高,落石最大旋转速度与落石高度无明显规律;(2)落石高度一定时,落石对桥墩的冲击高度、落石最大冲击能量随落石直径增大而增高,落石最大旋转能量跟落石直径变化无明显变化规律,落石最大旋转速度随落石直径减小而增大,落石的最大平移速度与落石直径大小无关。最后根据落石动量、动能将陡崖落石分为5个危险区,并分区提出了陡崖防护治理措施。
- Abstract:
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In this paper, RFA rockfall analysis software is used to simulate and analyze the cliff rockfall of Wachang Super Major Bridge, and the following conclusions are drawn: (1) When the diameter of the rockfall is certain, the impact height of the rockfall on
备注/Memo
- 备注/Memo:
-
作者简介:程云(1980-),男,高级工程师。引文格式:程云, 郑六益, 莫默, 等. 瓦厂特大桥陡崖落石运动特性分析及危险性分区评估[J]. 高速铁路技术, 2022,13(3):24-29.CHENG Yun, ZHENG Liuyi, MO Mo, et al. Analysis of Cliff Rockfall Motion Characteristics and Hazard Zoning Assessment of Wachang Super Major Bridge[J]. High Sp
更新日期/Last Update:
2022-06-28