[1]游勇,柳金峰.泥石流直墙V型排导槽横断面优化设计[J].山地学报,2008,(02):218.
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泥石流直墙V型排导槽横断面优化设计()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2008年02期
页码:
218
栏目:
山地学报
出版日期:
2008-03-15

文章信息/Info

作者:
游勇;柳金峰;
中国科学院山地灾害与地表过程重点实验室;中国科学院山地灾害与地表过程重点实验室 四川成都610041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;四川成都610041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
关键词:
泥石流直墙V型排导槽断面优化设计
文献标志码:
A
摘要:
排导槽横断面的形状及尺寸是泥石流排导槽设计的重要参数,如何合理选择过流断面的形状和尺寸,使泥石流排导槽具有最佳的排泄能力,目前国内外的研究还比较少涉及。直墙V型断面排导槽是目前泥石流防治工程中广泛采用的横断面形状之一,以其为研究对象,对它的水力条件进行了分析,并对横断面的优化设计进行了探讨。泥石流排导槽的断面形态系数(M)定义为湿周(P)与水力半径(R)之比,直墙V型排导槽水力最佳时相应的断面形态参数M=[8(1+m2V)1/2-4]/mV,直墙"V"型排导槽水力条件最佳时的断面形态参数M仅与槽底横坡系数有关。假定在已知泥石流直墙V型排导槽排泄流量Q、槽底纵比降I以及泥石流体颗粒级配特征的条件...

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更新日期/Last Update: 2008-03-15