[1]张友谊,袁亚东,顾成壮.震区泥石流物源储量评价方法综述[J].山地学报,2020,(3):394-401.[doi:10.16089/j.cnki.1008-2786.000519]
 ZHANG Youyi,YUAN Yadong,GU Chengzhuang.Review of Evaluation Methods for Debris Flow Resource Reserves in Areas Affected by Earthquakes[J].Mountain Research,2020,(3):394-401.[doi:10.16089/j.cnki.1008-2786.000519]
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震区泥石流物源储量评价方法综述()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2020年第3期
页码:
394-401
栏目:
山地灾害
出版日期:
2020-07-20

文章信息/Info

Title:
Review of Evaluation Methods for Debris Flow Resource Reserves in Areas Affected by Earthquakes
文章编号:
1008-2786-(2020)3-394-08
作者:
张友谊袁亚东顾成壮
西南科技大学 土木工程与建筑学院,四川 绵阳 621010
Author(s):
ZHANG Youyi YUAN Yadong GU Chengzhuang
Southwest University of Science and Technology department of civil engineering and architecture, Mianyang 621010, Sichuan, China
关键词:
物源类型 高位震裂物源 总储量 动储量
Keywords:
material source high seismic crack material source total amount of material source dynamic reserve
分类号:
P642.22
DOI:
10.16089/j.cnki.1008-2786.000519
文献标志码:
A
摘要:
充足的物源是泥石流形成的三大基本条件之一,对物源动储量进行合理的评价,不仅可预测泥石流爆发的规模和频率,同时也是其治理工程设计的重要依据。本文从泥石流分类物源、全流域物源及震后物源三方面总结了目前动储量的评价方法,分析了各方法的评价原理,并指出各类方法存在的不足,得到以下结论:(1)物源总储量的评价方法较多,而动储量评价由于受影响因素较繁多,评价方法相对较少;(2)“5.12”汶川地震后震区物源数量及种类剧增,物源统计易忽略具有隐蔽性的高位震裂物源,震后不同时期各物源对泥石流的贡献不一,应考虑时间及空间的演化效应,根据各类物源的动态演化特征做科学合理的震后物源动储量评价;(3)泥石流物源的动储量评价应考虑一定工程有效期内的不同降雨条件的影响更为合理。
Abstract:
A sufficient source is one of the three basic conditions for the formation of a debris flow after an earthquake. A reasonable evaluation of the source reserves can not only predict the scale and frequency of debris flow outbursts, but also provides important parameters for protective engineering design. This paper summarized the current evaluation methods for the dynamic reserves, focusing on three aspects of debris flow, whole basin source, and post-earth source. The evaluation principles of various methods and the characteristics of the evolution of special debris flow sources after an earthquake, as well as the shortcomings of various methods were analyzed. The results showed that:(1)Many evaluation methods have been used for total reserves of provenance; however, the evaluation of dynamic reserves is complicated and relatively few evaluation methods are reliable.(2)After the “5.12” Wenchuan earthquake, the number and types of provenances increased in the earthquake area, and consequently, concealed high-level provenances were easily overlooked. The contribution of various provenances to debris flows during different periods after the earthquake should be considered, and the evolution of time and space should be considered. This would also provide scientific and reasonable post-earthquake source reserve calculations according to the dynamic evolution characteristics of various provenances.(3)The dynamic reserves of debris flow sources can be calculated more reasonably when considering the different rainfall conditions during the working period.

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备注/Memo

备注/Memo:
收稿日期(Received date):2019-05-09; 改回日期(Accepted date):2020-03-25
基金项目(Foundation item):国家重点研发计划项目(2018YFC1505400); 国家自然科学基金面上项目(41877524)。[National Key Research and Development Program of China(2018YFC1505400); National Natural Science Foundation of China General Program(41877524)]
作者简介(Biography):张友谊(1980-),男,安徽宿州人,博士,副教授,主要研究方向:工程地质。[ZHANG Youyi(1980-),male, born in Suzhou,Anhui province, assistant professor, Ph.D., research on geological engineering] E-mail: 53437391@qq.com
更新日期/Last Update: 2020-05-30