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泥石流最大爬高计算的试验研究
Alternative TitleExperimental study on calculation of maximum climbing of debris flow
赵海鑫1,2,3; 游勇1,2; 姚令侃4; 张广泽5; 王栋5
Corresponding Author游勇
2017
Source Publication自然灾害学报
ISSN1004-4574
Volume26Issue:1Pages:1-18
Abstract

泥石流在运动过程中如遇到障碍物会产生爬高是泥石流运动的显著特征,泥石流最大爬高计算是泥石流防护工程设计的重要参数之一。为了探究泥石流最大爬高的计算公式,分析了原有理论公式的不足,使用泥石流表面流速对最大爬高计算公式进行了新的理论推导,并通过室内模拟试验对新推导的公式进行了验证,同时结合试验结果和野外观测资料对新公式的适用性进行了讨论。试验证实,通过能量法采用泥石流表面流速推导得到的泥石流爬高计算公式较为合理,计算结果与室内试验实际测量结果较吻合,对泥石流防治工程设计参数的选取具有重要意义,可用于指导泥石流工程的防治。

Other Abstract

Debris flow will climb when it encounters obstruction,which is one of the important parameters of debris flow protection engineering design. In order to explore maximum climbing calculation fovmula of debris flow, the insufficiency of existing theoretical formula was analyzed. The formula of maximum climbing of debris flow was newly derived with surface flow speed of debris flow and the newly-derived formula was verified by indoor simulating test. The suitability of the new formula was discussed in combination with test results and field observation data. The experimental results show that the calculation formula of debris flow climbing derived from energy method and surface velocity of debris flow is more reasonable,the calculation results are more coincident with practical indoor measurements. The formula has an important sense for design parameter selection of debris flow prevention and control engineering and can be used to guide the prevention and control engineering.

Keyword泥石流 爬高 能量法 表面流速
Subject AreaP642.23
DOI10.13577/j.jnd.2017.0102
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:5971783
Funding Organization国家科技支撑计划课题(2014BAL05B01) ; 中国科学院STS项目(KFJ-EW-STS-094) ; 中国铁路总公司科技研究开发计划课题(2014G004-A-5)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18836
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
2.中国科学院水利部成都山地灾害与环境研究所
3.中国科学院大学
4.西南交通大学土木工程学院
5.中铁二院成都地勘岩土工程有限责任公司
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
赵海鑫,游勇,姚令侃,等. 泥石流最大爬高计算的试验研究[J]. 自然灾害学报,2017,26(1):1-18.
APA 赵海鑫,游勇,姚令侃,张广泽,&王栋.(2017).泥石流最大爬高计算的试验研究.自然灾害学报,26(1),1-18.
MLA 赵海鑫,et al."泥石流最大爬高计算的试验研究".自然灾害学报 26.1(2017):1-18.
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