Study on Silt-Sand’s Sediment Carrying Capacity

doi:10.3969 /j.issn.1674-0696.2013.04.28

Journal of Chongqing Jiaotong University(Natural Science) ›› 2013, Vol. 32 ›› Issue (4): 663-667.DOI: 10.3969 /j.issn.1674-0696.2013.04.28

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Study on Silt-Sand’s Sediment Carrying Capacity

He Yang²，Yang Shengfa²，Zhang Shuaishuai¹，Wang Xiao²

1.National Engineering Ｒesearch Center for Inland Waterway Ｒegulation，Chongqing Jiaotong University，Chongqing 400074，China;1. Key Laboratory of Hydraulic ＆ Waterway Engineering of the Ministry of Education，Chongqing Jiaotong University，Chongqing 400074，China

Received:2012-10-31 Revised:2013-03-13 Online:2013-08-15 Published:2014-10-27

粉沙的水流挟沙力试验研究

何洋²，杨胜发¹，张帅帅²，王筱²

1.重庆交通大学国家内河航道整治工程技术研究中心，重庆 400074;2. 重庆交通大学水利水运工程教育部重点实验室，重庆 400074

作者简介:何洋(1989—),男,四川南充人,硕士研究生,主要从事航道整治及河沙治理研究。E-mail:heyangshiwo@sina.com。
基金资助:
国家“十二五”科技支撑计划项目( 2011BAB09B01) ; 重庆交通大学研究生教育创新基金项目( 20120103) ; 国家自然科学基金项目( 51209241)

Abstract

Abstract: Aiming at the special deposition of silt in Three Gorges Ｒeservoir perennial backwater region，the silt-sand’s sediment carrying capacity is studied through the following test works in 6 m-length flume． The research results indicate that the sediment carrying capacity calculated from the formula of Zhangruijing，Shayuqing are larger than the experimental data，but that from ЭаМаРин is close to the experimental data． According to the formula mode of ЭаМаРин and dimensional analysis，the sediment carrying capacity formula mode is deduced． Based on the experimental data，the sediment carrying capacity formula is fitted by using multiple linear regressions．

Key words: fine sediment, sediment carrying capacity, flume experiment, data analysis

摘要： 针对三峡水库常年回水区特有的粉沙淤积情况，采用 6 m 长的变坡水槽对三峡水库常年回水区粉沙的水流挟沙力进行研究。研究结果表明: 水槽试验数据与现有水流挟沙力公式对比，比较有代表性的张瑞瑾和沙玉清两个公式计算的挟沙力偏大，与 ЭаМаРин 公式计算值较为接近; 参照 ЭаМаРин 公式的结构形式，利用基本量纲分析，得到粉沙的水流挟沙力结构形式; 通过水槽试验数据，利用多元线性回归的方法，拟合出适合这种粉沙的水流挟沙力公式。

关键词: 粉沙, 挟沙力, 水槽试验, 数据分析

CLC Number:

TV149.2

He Yang，Yang Shengfa，Zhang Shuaishuai，Wang Xiao. Study on Silt-Sand’s Sediment Carrying Capacity[J]. Journal of Chongqing Jiaotong University(Natural Science), 2013, 32(4): 663-667.

何洋，杨胜发，张帅帅，王筱. 粉沙的水流挟沙力试验研究[J]. 重庆交通大学学报（自然科学版）, 2013, 32(4): 663-667.

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Study on Silt-Sand’s Sediment Carrying Capacity

粉沙的水流挟沙力试验研究

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