[1]夏式伟,郑昭炀,袁小一,等.芦山地震汤家沟滑坡-碎屑流过程模拟[J].山地学报,2017,(04):527-534.[doi:10.16089/j.cnki.1008-2786.000250]
 XIA Shiwei,ZHENG Zhaoyang,YUAN Xiaoyi,et al.Dynamic Simulation of Tangjia Valley Rock Avalanche in Tianquan, Sichuan, China[J].Mountain Research,2017,(04):527-534.[doi:10.16089/j.cnki.1008-2786.000250]
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芦山地震汤家沟滑坡-碎屑流过程模拟()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2017年04期
页码:
527-534
栏目:
山地灾害
出版日期:
2017-07-30

文章信息/Info

Title:
Dynamic Simulation of Tangjia Valley Rock Avalanche in Tianquan, Sichuan, China
文章编号:
1008-2786-(2017)4-527-08
作者:
夏式伟郑昭炀 袁小一 邢爱国*
上海交通大学 土木工程系,上海200240
Author(s):
XIA Shiwei ZHENG Zhaoyang YUAN Xiaoyi XING Aiguo*
Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
关键词:
芦山地震 滑坡-碎屑流 数值模拟 动力特性 DAN3D
分类号:
P642.22
DOI:
10.16089/j.cnki.1008-2786.000250
文献标志码:
A
摘要:
2013年4月20日四川省芦山县发生Ms7.0级强烈地震,诱发芦山县、天全县、宝兴县等多个县区2500多处崩塌、落石、滑坡、泥石流等次生灾害,但规模较小。天全县老杨乡汤家沟滑坡-碎屑流是此次地震诱发的最大一处滑坡,在地震作用下约有53万m3的岩体自滑源区高速滑出。因剪出口下方山脊的阻挡作用滑体沿左右两侧发生分叉,此后分别沿春尖窝沟和干沟头沟高速运动,滑行约340 m和440 m后与各自沟谷侧壁发生撞击、爬坡解体为碎屑流,碰撞转向后继续向下滑行,总滑行距离约1.6 km,高程差约480 m。尽管关于芦山地震滑坡的研究很多,但对滑坡全过程动态模拟的研究较少。本文通过滑坡现场调查,解析了汤家沟滑坡的基本运动特征和滑体运动过程中发生的碰撞、铲刮、堆积等现象,并基于DAN3D动力分析软件,采用Friction-Voellmy复合模型反演了汤家沟滑坡运动全过程,得到了滑体的堆积、速度分布以及铲刮等特征。

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相似文献/References:

[1]崔鹏,陈晓清,张建强,等.“4·20”芦山7.0级地震次生山地灾害活动特征与趋势[J].山地学报,2013,(03):257.
 CUI Peng,CHEN Xiaoqing,ZHANG Jianqiang,et al.Activities and Tendency of Mountain Hazards Induced by the Ms7.0 Lushan Earthquake,April 20,2013[J].Mountain Research,2013,(04):257.
[2]覃发超,史凯,张斌,等.芦山地震后初期余震时间序列的分形演化特征[J].山地学报,2013,(04):489.
 QIN Fachao,SHI Kai,ZHANG Bin,et al.Fractal Evolution of the Early Aftershock Sequence of Lushan Earthquake[J].Mountain Research,2013,(04):489.
[3]苏凤环,崔鹏,张建强,等.芦山地震重灾区崩塌滑坡易发性评价[J].山地学报,2013,(04):502.
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[4]邓伟,刘颖,唐伟,等.“4·20”芦山地震灾区重建综合发展能力的构建[J].山地学报,2013,(05):610.
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[5]张子瑜,范建容,张建强,等.芦山地震重灾区地形因子分析[J].山地学报,2013,(05):624.
 ZHANG Ziyu,FAN Jianrong,ZHANG Jianqiang,et al.Topographic Factors Analysis of Lushan Earthquakehit Area[J].Mountain Research,2013,(04):624.
[6]高延超,陈宁生,徐如阁,等.芦山地震中G318线天全段崩塌发育规律[J].山地学报,2013,(05):632.
 GAO Yanchao,CHEN Ningsheng,XU Ruge,et al.Development and Distribution of Collapses Induced by“4?20”Lushan Earthquake:Taking Tianquan Section of China National Highway 318 as a Sample[J].Mountain Research,2013,(04):632.
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备注/Memo

备注/Memo:
收稿日期(Received date):2016-07-18; 改回日期(Accepted date):2016-10-17
基金项目(Foundation item):国家自然科学基金重点项目(41530639)[National Natural Science Foundation of China Key Program(N41530639)]
作者简介(Biography):夏式伟(1990-),男,硕士研究生,主要从事高速远程滑坡研究[Xia Shiwei(1990-),male, M.Sc candidate, principally engaged in high-speed and long-runout landslide research.]E-mail:903092557@qq.om.
*通讯作者(Corresponding author):邢爱国(1971-),男,研究员,博士生导师,主要从事地质灾害防灾减灾方面的研究工作[Xing Ai-guo(1971-),male, professor, specialized in geological hazard prevention and mitigation.] E-mail: xingaiguo@sjtu.edu.cn.
更新日期/Last Update: 2017-07-30