[1]陈晓辉,孙红月,梅 成,等.水石流起动的流量控制研究[J].山地学报,2016,(02):194-199.[doi:10.16089/j.cnki.1008-2786.000118]
 CHEN Xiaohui,SUN Hongyue,MEI Cheng,et al.Flow Control of Water-stone Flow Start[J].Mountain Research,2016,(02):194-199.[doi:10.16089/j.cnki.1008-2786.000118]
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水石流起动的流量控制研究()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2016年02期
页码:
194-199
栏目:
山地灾害
出版日期:
2016-04-01

文章信息/Info

Title:
Flow Control of Water-stone Flow Start
作者:
陈晓辉 孙红月梅 成张文君钱文见
浙江大学 海洋工程系,浙江 杭州 310058
Author(s):
CHEN XiaohuiSUN HongyueMEI ChengZHANG WenjunQIAN Wenjian
Department of Ocean Engineering,Zhejiang University,Hangzhou 310058,China
关键词:
水石流 流量控制 沟谷 断面 层移运动 松散堆积物 纵坡 横坡系数
分类号:
P642.23
DOI:
10.16089/j.cnki.1008-2786.000118
文献标志码:
A
摘要:
沟谷中水石流的发生不仅需要一定的坡度,还需要一定的水深。对于确定的沟谷,其断面形式是一定的,通过研究水石流发生时层移运动厚度与沟谷中所需最小水深的相关关系,并利用均匀流的水力学模型理论分析水深与流量的关系,可建立沟谷中层移层厚度与沟谷中水流流量关系,从而确定水石流发生时层移运动厚度与所需流量的关系。通过运用数学推导的方法,得出汇水动力区接触松散堆积物前的均匀流水深h与水石流层移运动厚度z的关系式,表明在特定沟谷坡度和堆积物特性一定的条件下,水深是决定松散堆积物转化为层移层厚度大小的动力关键因素,纵坡坡度、沟谷断面形式以及横坡系数大小都会对水深产生影响。随着沟谷坡度的增大,水石流起动所需的清水水深变小。基于这理论分析结果,工程上可通过流量控制的方法,实现最低限度的分流,避免松散堆积物整体性的层移运动,防止水石流的发生。

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相似文献/References:

[1]杨 敏,马东涛,陈 英.冕宁县牦牛坪稀土矿区“ 7?18”水石流灾害[J].山地学报,2014,(06):732.
 YANG Min,MA Dongtao,CHEN Ying.An Approach about Water stone Flow Hazards Occurred in July 18th,2013 in Maoniuping Rare Earth Mining Area in Mianning,Sichuan[J].Mountain Research,2014,(02):732.
[2]李德基.苍山十八溪的水石流及其防治[J].山地学报,1992,(03):172.
[3]李昭淑,崔鹏.1556年华县大地震的次生灾害[J].山地学报,2007,(04):425.
[4]高甲荣,胡封兵,刘瑛,等.北京大烂碴沟泥石流堆积扇的特征及其演变过程(英文)[J].山地学报,2008,(01):90.

备注/Memo

备注/Memo:
收稿日期(Received date):2014-11-12; 修回日期(Accepted):2015-01-18。 基金项目(Foundation item):国家自然科学基金资助项目:自清淤虹吸排水技术在泥石流防治中的应用研究(41272336)。[Project supported by the National Natural Science Foundation:Application of Self-Dredging Siphon Drainage Technology in Debris Flow Prevention(41272336).] 作者简介(Biography):陈晓辉(1988-),男,河南汝州人,在读研究生,从事地质灾害防治方面的工作。[Chen Xiaohui(1988-),male,born in Ruzhou of Henan,graduate student,engaged in geological disaster prevention.] E- mail:983674048@qq.com *通信作者(Corresponding author):孙红月(1970-),女,浙江诸暨人,博士,教授,主要从事地质灾害防治教学与科研工作。[Sun Hongyue(1970-),female,born in Zhuji of Zhejiang, prof.&Dr.,majoring in the work of teaching and scientific research of geological disasters prevention.] E-mail:shy@zju.edu.cn
更新日期/Last Update: 1900-01-01