[1]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,(05):632.
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芦山地震中G318线天全段崩塌发育规律()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2013年05期
页码:
632
栏目:
“4?23”芦山地震
出版日期:
2013-01-01

文章信息/Info

Title:
Development and Distribution of Collapses Induced by“4?20”Lushan Earthquake:Taking Tianquan Section of China National Highway 318 as a Sample
作者:
高延超;陈宁生;徐如阁;巴仁基;南帅;
1.中国地质调查局成都地质调查中心,四川 成都 610081;
2.中国科学院水利部成都山地灾害与环境研究所,四川 成都 610041;
3.中国建筑西南勘察设计研究院有限公司,四川 成都 610081
Author(s):
GAO YanchaoCHEN NingshengXU RugeBA RenjiNAN Shuai
1. Chengdu Center,China Geological Survey,Chengdu 610081,China;
2. Institute of Mountain Hazards and Environment,Chinese Academy of Sciences,Chengdu 610041,China; 3. China Southwest Architectural Design Institute,Chengdu 610041,China
关键词:
崩塌芦山地震G318线天全
分类号:
P642.21
文献标志码:
A
摘要:
G318线天全段处于深切峡谷区,在"4·20"芦山地震中共发生26处崩塌。该段崩塌仅有2处为地震中新增点,其余24处均为原崩塌点在地震中重新崩落。通过对崩塌的空间分布、与地震烈度、发震断裂、岩性及坡度的关系等方面的分析,总结芦山地震公路边坡崩塌的发育规律如下:1.崩塌规模以中小型为主;2.由Ⅶ度带到非地震影响区,随着地震烈度的降低,崩塌的规模减小、密度降低;3.崩塌分布表现出明显的"上下盘效应",双石-大川断裂上盘的崩塌分布密度约为下盘的2倍;4.崩塌在花岗岩及砂岩中多发;5.地貌及人类工程活动是崩塌发育的主控因素,地震是其重要诱发因素。震后崩塌具有隐蔽性及滞后性,在余震及强降雨条件下,区内"...

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备注/Memo

备注/Memo:
收稿日期(Received date):2013-06-28;改回日期(Accepted) : 2013-07-22。
基金项目(Foundation item):科技部基础研究专项(2011FY110100)。[This research is supported by the Basic Research Project form Ministry of Science and Technology(2011FY110100).]
作者简介(Biography):高延超(1981-),男,河北保定人,在职博士,工程师,主要从事滑坡泥石流防治研究和工程勘查设计。[Gao Yanchao(1981-), male, engineer, majoring in the research about the mountain hazards and their prevention.]E-mail: gaoyc@imde.ac.cn
更新日期/Last Update: 1900-01-01