An approach to quick and easy evaluation of the dam breach flood

论文摘要

In the context of an impending dam failure, quick evaluation of dam breach flood is necessary. Previous studies provided an approach to calculate the dam breach hydrograph using an Excel spreadsheet based on the improved soil erosion model and numerical algorithm. However, calculation of the breach lateral enlargement requires the modeling of the successive collapse of the breach banks. It is time-consuming with special training, which is difficult to provide during an emergency. This study proposes that the lateral enlargement process can be modeled using a hyperbolic relationship with sufficient accuracy. Consequently, field engineers can perform the dam breach analysis along with the sensitive study for a target case within 1 h in an Excel spreadsheet which is self-tutorial. This paper presents this easy and quick approach based on only fifteen input parameters that can be determined based on the experience. This approach can also be used for the preliminary study when a dam safety planning work is undertaken.

论文目录

文章来源

类型: 期刊论文

作者: CHEN ZuYu,PING ZiYi,WANG NaiXin,YU Shu,CHEN ShuJing

来源: Science China(Technological Sciences) 2019年10期

年度: 2019

分类: 工程科技Ⅱ辑

专业: 水利水电工程

单位: Institute of Geotechnical Engineering, Zhejiang University,Key Laboratory of Soft Soils and Geoenvironmental Engineering of Ministry of Education, Zhejiang University,State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research,Department of Engineering Training, National Academy for Mayors of China

基金: supported by the National Natural Science Foundation of China(Grant No.41731289),the Foundation of State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin(Grant No.2016ZY08),the Consultation and Evaluation Project of the Chinese Academy of Sciences(Grant No.2018-Z02-A-008)

分类号: TV122.4

页码: 1773-1782

总页数: 10

文件大小: 867K

下载量: 17

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