全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

老木孔库区河段动床物理模型试验研究

DOI: 10.3969/j.issn.1674-0696.2014.02.17, PP. 76-80

Keywords: 航道工程,动床物理模型,泥沙淤积,常年田水区,变动回水区,waterwayengineering,sedimentphysicalmodel,siltation,perennialbackwaterarea,fluctuatingbackwaterarea

Full-Text   Cite this paper   Add to My Lib

Abstract:

:?老木孔枢纽建成运行后,库区河段水位将有所升高,流速有所减少,比降将逐渐趋于平缓,水流输沙能力也会随之降低,泥沙沿河道易发生累积性淤积。通过历年实测资料结合动床物理模型试验,对水库运行20a内河段泥沙淤积量、泥沙淤积分布情况做了定量分析。试验结果表明:枢纽运行20a末,泥沙主要淤积在水库常年回水区,而变动回水区淤积甚少;库区泥沙淤积后各级频率洪水的洪水位仍未超过建库前同频率下的天然洪水位,对上游乐山大佛及乐山城区的影响不大。

References

[1]  陈孟荣,彭杨. 黄金埠电厂一期工程取水河段泥沙模型试验[J]. 武汉大学学报:工学版,2010,43(3) :330-339.
[2]  Chen Mengrong,Peng Yang. Sediment model tests on water intake reach of Huangjinbu power plant[J]. Engineering Journal of Wuhan University:Engineering, 2010,43(3):330-339.
[3]  张胜利,王喜英,张炳录,等. 黎河整治动床物理模型试验研究[J].泥沙研究,1995,39(3):93-100.
[4]  Zhang Shengli,Wang Xiying,Zhang Binglu,et al. A movable bed model of Lihe River regulation[J]. Journal of Sediment Research,1995,39(3):93-100.
[5]  Chien N,Wan Z. Mechanics of sediment transport[M]. Reston:American Society of Civil Engineers, 1999.
[6]  Guo Hua,Zhang Xu-jin,Du Zong-wei,et al. Sediment Scour and Silting Evolution Research at the Area of Le shan Portin Old Wood Hole Reservoir[J] Journal Of Chongqing Jiaotong University(Natural Science), 2012,31(5):1031~1035.
[7]  谢鉴衡.河流泥沙工程学:下册[M].北京:水利出版社,1981:212-223.
[8]  Xie Jianheng. Sediment Engineering:Volume[M]. Beijing: Hydraulic Press,1981:212-223.
[9]  张红武,冯顺新.河工动床模型存在问题及其解决途径[J].水科学进展,2001,12(3):418-423.
[10]  Zhang Hongwu,Feng Shunxin. Problems and their solutions in physical modeling of river process in alluvial streams[J]. Advances in Water Science,2001,12(3):418-423.
[11]  唐峰,李发政,姚仕明,等. 三峡工程运用初期荆江河段调关弯道冲淤演变试验研究[J]. 长江科学院院报,2011,28(8):77-86.
[12]  Tang Feng,Li Fazheng,Yao Shiming,et al. Physical modeling of morphological changes in tiaoguan bend reach of jingjiang river at the initial operation stage of three gorges Project[J]. Journal of Yangtze River Scientific Research Institute,2011,28(8):77-86.
[13]  余明辉,吴卫民,刘晓芳.襄樊电厂二期工程取排水河段动床物理模型试验研究[J].泥沙研究,2007,51(1):76-81.
[14]  Yu Minghui,Wu Weimin,Liu Xiaofang,. Experimental investigation on the channel bed variation in the water intake reach of Xiangfan power plant[J]. Journal of Sediment Research,2007,51(1):76-81.
[15]  Seminara G. Fluvial sedimentary patterns[J]. Annual Review of Fluid Mechanics, 2010, 42(1):43-66.
[16]  Craig B B,Steven R A,Drew C B. Criteria for the formation of sediment plugs in alluvial rivers[J]. Journal of Hydraulic Engineering, 2011, 137(5):569-576.
[17]  郭华,张绪进,杜宗伟,等.老木孔水库成库后乐山港港区河段泥沙冲淤演变研究[J].重庆交通大学学报(自然科学版), 2012,31(5):1031~1035.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133