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单个重大堰塞体快速风险评估研究
Alternative TitleQuick Risk Assessment of Single Momentous Dammed Lake
刘晶晶1,2,3; 程尊兰1,2; 蒙思守4; 刘建康1,2,3; 时亮1,2,3
Corresponding Author刘晶晶
2011
Source Publication山地学报
ISSN1008-2768
Volume29Issue:SPages:85-94
Contribution Rank1
Abstract“5.12”汶川地震后形成了大量的滑坡、崩塌、泥石流堰塞体,虽然大部分堰塞体存在时间短,但其对上游和下游地区造成了较大危害。堰塞体的快速风险评估是及时预警和人工工程干预的基础,对于后期应急处置措施的实施有着重要意义。选择高度> 10m的泥石流、滑坡、崩塌重大堰塞体为研究对象,以1:5万地形图和1:5万DEM、遥感影像、l:5万地质图和全国24 h降水量预报图为基础,结合野外勘测资料和已经刊发的《堰塞体风险等级划分林准》和<岩土工程勘察规范》,建立了单个重大堰塞体的风险快速评估模型R单=0.773GLD+0.773GWD+0.773GHD+0.295GA1+0.478GA2+1.91GD+1.67GAD+1.67GQ+1.67GR)×(5GN+2.5GG+1.25GC+1.25GI)/100。选择“9.24”磨子沟泥石流堰塞体作为案例,验证模型的适用性,评估“9.24”磨子沟泥石流堰塞体为低风险的堰塞体,这与其回水无任何人员伤亡,且最终溃决几乎未造成影响的事实相符合。
Other AbstractAfter the“5.12”earthquake, there were a large number of landslides, avalanches, debris-flow dammed lakes. Although most of them are only a short time, upstream and downstream regions have been caused a great harm. The quick risk assessment of dammed lake is a foundation for timely early warning and human engineering intervention. In this paper, the dam whose height is greater than 10 meters is chose to be study objects. On the basis of 1: 50 000 topographic maps and 1: 50 000 DEM, remote sensing, aerial imaging, 1: 50 000 geological map, the national 24-hour precipitation forecast picture, field survey data, publication of 《standard for classification of risk grade of Landslide Lake》 and 《code for investigation of geotechnical engineering》, a quick risk assessment model R single = (0.773GLD+0.773GWD+0.773GHD+0.295GA1+0.478GA2+1.91GD+1.67GAD+1.67GQ+1.67GR)×(5GN+2.5GG+1.25GC+1.25GI)/100 is established. The Mozi Gully dammed lake in 24th, Sep, 2008 is chose to verify the applicability of the assessment model. The Mozi Cully dam turns out to be a low-risk dam, which accord with the facts.
Keyword单个 重大堰塞体 快速 风险评估
Indexed By其他
Language中文
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/23190
Collection山地学报
山地灾害与地表过程重点实验室
Corresponding Author刘晶晶
Affiliation1.中国科学院水利部成都山地灾害与环境研究所;
2.中国科学院山地灾害与地表过程重点实验室;
3.中国科学院研究生院;
4.北京市勘察设计研究院有限公司
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
刘晶晶,程尊兰,蒙思守,等. 单个重大堰塞体快速风险评估研究[J]. 山地学报,2011,29(S):85-94.
APA 刘晶晶,程尊兰,蒙思守,刘建康,&时亮.(2011).单个重大堰塞体快速风险评估研究.山地学报,29(S),85-94.
MLA 刘晶晶,et al."单个重大堰塞体快速风险评估研究".山地学报 29.S(2011):85-94.
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