土石坝溃决模拟及水流计算研究进展

陈生水; 钟启明; 陶建基

土石坝溃决模拟及水流计算研究进展

1.
南京水利科学研究院, 江苏, 南京, 210029;
2.
浙江省防汛抗旱指挥部, 浙江, 杭州, 310009

基金项目: 国家重点基础研究发展计划(973)资助项目(2007CB714103)

详细信息

作者简介:
陈生水(1962- ),男,江苏南京人,教授级高级工程师,博士,博导,主要从事土石坝工程的科学研究和技术咨询工作.E-mail:sschen@nhri.cn

中图分类号: TV139.2;TV133.2;G353.11

Development in embankment dam break simulation and water flow simulation

1.
Nanjing Hydraulic Research Institute, Nanjing 210029, China;
2.
Zhejiang Provincial Flood Control and Drought Relief Headquarters, Hangzhou 310009, China

Funds: The study is financially supported by the National Basic Research Program of China (No.2007CB714103)

摘要: 对土石坝溃决模拟技术的最新研究成果进行了总结和评价,在此基础上对该研究领域今后的研究工作提出了若干建议,包括:应研究提出不同坝型溃决可能性分析评价方法;针对不同坝型开展溃坝离心模型试验,揭示在不同致灾因子作用下,土石坝溃决机理和溃口发展过程;开展土石坝初始管涌形成以后发展过程的试验研究,揭示孔流转变为堰流的控制条件;针对溃坝水流的流线曲率较大、溃坝水流大多是非恒定超临界流以及筑坝材料粒径级配范围变化大等特点,开展大型溃坝水工水力学模型试验,揭示不同坝型的溃口流量过程、泥沙输移及下游河道洪水演进规律。
- 土石坝 /
- 溃决机理 /
- 模拟技术 /
- 研究进展
Abstract: This article summarizes and evaluates the updated research on the breaching simulation technology of embankment dams,and puts forward Mme proposals for future research in this regard,including the analysis and evaluation approaches to the possibility of dam breach of various dam types,the undertaking of the centrifugal rmdel experiments on the dam breach of different types,the focus on the failure mechanism and the process of breach development due to different hazard factors,and the experimental studies carried out on the piping development process so as to open out changing flow transition from orifice to weir.Since the streamline curvature of the dam-breaching flow is steep,the flow is rmstly ultra-critically unsteady and the gradation range of the grain size of the dam building material is quite wide,etc.The large-scale hydraulic model experiments on dam breach should be conducted out,and for different dam types,the in-depth studies should be done alms on the breach outflow process,the sediment transport and the flood ewlvement at the downstream river course.
- embankment dam /
- failure mechanism /
- simulation technology /
- research progress

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土石坝溃决模拟及水流计算研究进展

作者简介:
陈生水(1962- ),男,江苏南京人,教授级高级工程师,博士,博导,主要从事土石坝工程的科学研究和技术咨询工作.E-mail:sschen@nhri.cn

Development in embankment dam break simulation and water flow simulation

计量

土石坝溃决模拟及水流计算研究进展

1. 南京水利科学研究院, 江苏, 南京, 210029;

2. 浙江省防汛抗旱指挥部, 浙江, 杭州, 310009

作者简介:
陈生水(1962- ),男,江苏南京人,教授级高级工程师,博士,博导,主要从事土石坝工程的科学研究和技术咨询工作.E-mail:sschen@nhri.cn

English Abstract

Development in embankment dam break simulation and water flow simulation

1. Nanjing Hydraulic Research Institute, Nanjing 210029, China;

2. Zhejiang Provincial Flood Control and Drought Relief Headquarters, Hangzhou 310009, China

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目录

留言板

土石坝溃决模拟及水流计算研究进展

作者简介: 陈生水(1962- ),男,江苏南京人,教授级高级工程师,博士,博导,主要从事土石坝工程的科学研究和技术咨询工作.E-mail:sschen@nhri.cn

Development in embankment dam break simulation and water flow simulation

计量

出版历程

土石坝溃决模拟及水流计算研究进展

1. 南京水利科学研究院, 江苏, 南京, 210029; 2. 浙江省防汛抗旱指挥部, 浙江, 杭州, 310009

作者简介: 陈生水(1962- ),男,江苏南京人,教授级高级工程师,博士,博导,主要从事土石坝工程的科学研究和技术咨询工作.E-mail:sschen@nhri.cn

English Abstract

Development in embankment dam break simulation and water flow simulation

1. Nanjing Hydraulic Research Institute, Nanjing 210029, China; 2. Zhejiang Provincial Flood Control and Drought Relief Headquarters, Hangzhou 310009, China

全文HTML

目录

作者简介:
陈生水(1962- ),男,江苏南京人,教授级高级工程师,博士,博导,主要从事土石坝工程的科学研究和技术咨询工作.E-mail:sschen@nhri.cn

1. 南京水利科学研究院, 江苏, 南京, 210029;

2. 浙江省防汛抗旱指挥部, 浙江, 杭州, 310009

作者简介:
陈生水(1962- ),男,江苏南京人,教授级高级工程师,博士,博导,主要从事土石坝工程的科学研究和技术咨询工作.E-mail:sschen@nhri.cn

1. Nanjing Hydraulic Research Institute, Nanjing 210029, China;

2. Zhejiang Provincial Flood Control and Drought Relief Headquarters, Hangzhou 310009, China