溃坝洪水研究进展

刘林; 常福宣; 肖长伟; 高延鸿; 程令社

doi:10.11988/ckyyb.20150225

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raybet体育在线院报 ›› 2016, Vol. 33 ›› Issue (6) : 29-35. DOI: 10.11988/ckyyb.20150225

防洪减灾

溃坝洪水研究进展

刘林¹,常福宣¹,肖长伟²,高延鸿²,程令社²

作者信息 +

Research Progress on Dam-break Flood

LIU Lin¹,CHANG Fu-xuan¹,XIAO Chang-wei²,GAO Yan-hong²,CHENG Ling-she²

Author information +

文章历史 +

摘要

溃坝洪水研究的目的是计算溃决坝址的流量、水位过程线,并向下游作洪水演进得到沿程的流量、流速、水位、波前与洪峰的到达时间,评估下游洪水淹没损失情况,以便于采取措施,降低洪水风险。从溃坝水流理论研究、溃坝问题的试验研究、溃坝模拟及洪水在下游演进这3个方面对溃坝洪水研究进行了综述,回顾和总结了国内外溃坝洪水研究的发展历程、已取得的成果和近些年的进展,提出了将来要研究的重点,并对研究前景进行了展望。目前溃坝理论的数值求解发展迅速,由试验提出了溃坝机理,研究不断模型化;但高强输沙理论未建立,溃口冲刷过程未能准确表达,对梯级溃坝和冰湖溃决洪水研究较少。今后应加强溃坝水流理论研究,开展大尺度、多库溃坝模型试验研究,积极做好梯级溃坝和冰湖溃决洪水模拟,进一步建立快捷可靠的区域溃坝洪水预报系统。

Abstract

The purpose of research on dam-break flood is to calculate the dam-break flow, water level hydrograph and the downstream flood flow, flow velocity, water level, arrival time of the wave front and peak along the flow path, to evaluate the loss caused by downstream flood and take measures to reduce flood risk. A review was made on the study of dam-break flood from aspects of theoretical analysis, physical experiment and numerical simulation on dam failure and flood routing in the downstream. The developments, achievements and progresses of researches on dam-break flood in recent years in China and abroad are summarized, and the prospects and focus were prospected. At present, the numerical solution of the dam break theory is developing rapidly, the dam-break mechanism has been proposed according to dam-break experiments, the research has become increasingly modelled. But it’s hard to accurately express the dyke erosion process while high strength sediment transport theory has not been established yet, and also the research about cascade dam-break floods and glacier lake outburst floods is rare. In the future, we should strengthen the theoretical research, conduct large-scale model test for dam breach of cascade reservoirs, improve simulation of cascade dam-break floods and glacier lake outburst floods, and further build a fast and reliable forecasting system for regional dam-break flood.

导出引用

刘林,常福宣,肖长伟,高延鸿,程令社. 溃坝洪水研究进展[J]. raybet体育在线院报. 2016, 33(6): 29-35 https://doi.org/10.11988/ckyyb.20150225

LIU Lin ,CHANG Fu-xuan ,XIAO Chang-wei ,GAO Yan-hong ,CHENG Ling-she. Research Progress on Dam-break Flood[J]. Journal of Changjiang River Scientific Research Institute. 2016, 33(6): 29-35 https://doi.org/10.11988/ckyyb.20150225

中图分类号： TV122.4

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