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窗口坝拦截泥石流性能试验研究
Alternative TitleExperimental Study on Properties of the Window‐Frame Dam
刘曙亮1,2,3; 游勇1,2; 柳金峰1,2; 赵彦波1,2,3; 林雪平1,2,3
Corresponding Author游勇
2015
Source Publication长江科学院院报
ISSN1001-5485
Volume32Issue:8Pages:40-44
Other Abstract

泥石流窗口坝是一种常见的泥石流防治工程措施,具有拦砂节流、护床固坡等重要调节功能。为了探寻泥石流的过坝特征,通过室内模拟试验,运用控制变量的方法对不同类型泥石流的过坝情况进行了探讨。试验发现,泥石流过坝前后颗粒组成的变化与泥石流密度相关性较大,在泥石流密度为1 650 kg/m3时,窗口坝对泥石流的筛选能力最强;泥石流过坝后密度降低情况较明显,并且受泥石流窗口坝闭塞类型的影响,不同闭塞类型下泥石流密度降低率具有相似规律,在泥石流密度为1 800 kg/m3左右时,泥石流密度降低率最大;通过回归分析得到了拦排比L与泥石流密度γc的关系式。

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Debris flow is influenced by lots of factors, which have complex dynamic process, and generally bring about fierce and huge damages. In order to explore the characteristics of debris flow passing window dam, 4 groups experimental studies were carried out including different types of debris flow passing different window dams. The results show that: The composition of the debris flows in front and after the dam is correlation with the density of debris flow; When passing the dam, the density of debris flow is lower; Sediment retention ratio and intercept discharge rate are largely influenced by the blocking types of the dams.

Keyword泥石流 模拟试验 颗粒组成 容重降低率 拦排比
Subject AreaP642.23
DOI10.3969/j.issn.1001-5485.201508.007
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:5493240
Funding Organization国家科技支撑计划课题(2012BAC06B02) ; 中国科学院重点部署项目(KZZD-EW-05-01-04) ; 四川省应用基础研究计划项目(2012JY0104)
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/9184
Collection山地灾害与地表过程重点实验室
Affiliation1.中国科学院山地灾害与地表过程重点实验室,四川 成都 610041
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.中国科学院大学,北京 100049
First 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
刘曙亮,游勇,柳金峰,等. 窗口坝拦截泥石流性能试验研究[J]. 长江科学院院报,2015,32(8):40-44.
APA 刘曙亮,游勇,柳金峰,赵彦波,&林雪平.(2015).窗口坝拦截泥石流性能试验研究.长江科学院院报,32(8),40-44.
MLA 刘曙亮,et al."窗口坝拦截泥石流性能试验研究".长江科学院院报 32.8(2015):40-44.
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