青藏高原高位远程滑坡动力学研究的新问题

高浩源; 高杨; 殷跃平; 张田田; 万佳威

doi:10.12090/j.issn.1006-6616.20222831

青藏高原高位远程滑坡动力学研究的新问题

doi: 10.12090/j.issn.1006-6616.20222831

高浩源^{1, 3,},
高杨^{1, 3, ,},
殷跃平^{2, 3},
张田田^{1, 3},
万佳威^{1, 3}

1.
中国地质科学院地质力学研究所, 北京 100081
2.
中国地质环境监测院, 北京 100081
3.
自然资源部活动构造与地质安全重点实验室, 北京 100081

基金项目:

国家自然科学基金面上基金项目 42177172

国家自然科学基金青年基金项目 41907257

中国地质调查局地质调查项目 DD20221816

详细信息

作者简介:
高浩源(1995—), 男, 在读博士, 主要从事高位地质灾害动力成灾机理研究。E-mail: 952513795@qq.com

通讯作者:
高杨(1989—), 男, 副研究员, 主要从事高位地质灾害动力成灾机理研究。E-mail: 737263992@qq.com

中图分类号: P642.22
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- 文章访问数: 452
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- 被引次数: 0
出版历程
- 收稿日期: 2022-06-14
- 修回日期: 2022-09-22

New scientific issues in the study of high-elevation and long-runout landslide dynamics in the Qinghai-Tibet Plateau

GAO Haoyuan^{1, 3
,},
GAO Yang^{1, 3
, ,},
YIN Yueping^{2, 3},
ZHANG Tiantian^{1, 3},
WAN Jiawei^{1, 3}

1.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
2.
China Institute of Geological Environment Monitoring, Beijing 100081, China
3.
Key Laboratory of Active Tectonics and Geological Safety, Ministry of Natural Resources, Beijing 100081, China

Funds:

the National Natural Science Foundation of China 42177172

the Project of the National Natural Science Foundation of China for Young Scholars 41907257

Geological Survey Project of the China Geological Survey DD20221816

摘要

摘要:
高位远程滑坡动力学机理的研究一直是国际地质灾害领域的难点问题。在青藏高原, 由于地质条件复杂, 高位远程滑坡表现出更为复杂且强烈的动力作用, 出现超高位超远程的链式成灾模式。文章针对青藏高原高位远程滑坡所表现出的三种突出动力学效应——动力破碎效应、动力侵蚀效应以及流态化效应, 从地质特征调查、物理模型试验、数值分析三个层面进行了系统性的综述。针对青藏高原高位远程滑坡目前的研究现状提出了下一步要解决的三个关键科学问题: 极端地质环境下高位远程滑坡机理研究、基于尺寸效应的模型试验新方法研究和高位远程滑坡流域性灾害链研究。这些问题将为高位远程滑坡动力学机理的研究和服务工程建设中高位远程滑坡灾害的防灾减灾提供科学依据。
- 青藏高原 /
- 高位远程滑坡 /
- 动力学效应 /
- 关键科学问题
Abstract:
The dynamic mechanism of high-elevation and long-runout landslides is always a tricky problem in geological disaster research. Due to the complex geological conditions in the Qinghai-Tibet Plateau, high-elevation and long-runout landslides show more complex and robust dynamic action, resulting in disaster chains of ultra-high elevation and ultra-long distance. The article presents a systematic review of the geological characteristics, physical model tests, and numerical analysis of three prominent dynamic effects of high-elevation and long-runout landslides in the Qinghai-Tibet Plateau, namely, dynamic fragmentation, dynamic erosion, and fluidization. Given the current research status of high-elevation and long-runout landslides in the Qinghai-Tibet Plateau, three significant aspects are proposed to be studied in the future: the mechanism of high-elevation and long-runout landslides in extreme geological environments, new methods for model tests based considering size effect, and basin-wide hazard chains induced by high-elevation and long-runout landslides.
- Qinghai-Tibet Plateau /
- high elevation and long-runout landslide /
- dynamic effect /
- key scientific issues
注释:

责任编辑：范二平

HTML全文

图 1 青藏高原高位远程滑坡

a—易贡高位远程滑坡；b—色东普高位远程滑坡；c—则隆弄高位远程滑坡

Figure 1. High-elevation and long-runout landslides in the Qinghai-Tibet Plateau

(a)The Yigong high-elevation and long-runout landslide; (b) The Sedongpu high-elevation and long-runout landslide; (c) The Zelongnong high-elevation and long-runout landslide

下载: 全尺寸图片幻灯片

图 2 高位远程滑坡动力作用概化图

Figure 2. Generalized diagram showing the dynamic action of a high-elevation and long-runout landslide

下载: 全尺寸图片幻灯片

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青藏高原高位远程滑坡动力学研究的新问题

doi: 10.12090/j.issn.1006-6616.20222831

作者简介:
高浩源(1995—), 男, 在读博士, 主要从事高位地质灾害动力成灾机理研究。E-mail: 952513795@qq.com

通讯作者:
高杨(1989—), 男, 副研究员, 主要从事高位地质灾害动力成灾机理研究。E-mail: 737263992@qq.com

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New scientific issues in the study of high-elevation and long-runout landslide dynamics in the Qinghai-Tibet Plateau

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留言板

青藏高原高位远程滑坡动力学研究的新问题

doi: 10.12090/j.issn.1006-6616.20222831

作者简介: 高浩源(1995—), 男, 在读博士, 主要从事高位地质灾害动力成灾机理研究。E-mail: 952513795@qq.com

通讯作者: 高杨(1989—), 男, 副研究员, 主要从事高位地质灾害动力成灾机理研究。E-mail: 737263992@qq.com

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New scientific issues in the study of high-elevation and long-runout landslide dynamics in the Qinghai-Tibet Plateau

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出版历程

目录

作者简介:
高浩源(1995—), 男, 在读博士, 主要从事高位地质灾害动力成灾机理研究。E-mail: 952513795@qq.com

通讯作者:
高杨(1989—), 男, 副研究员, 主要从事高位地质灾害动力成灾机理研究。E-mail: 737263992@qq.com