Experimental Investigation of Pressure Load Exerted on a Downstream Dam by Dam-Break Flow
文献类型：期刊论文
| 作者 | Chen, H. Y.1,2 ; Xu, W. L.3; Deng, J.3; Xue, Y.4; Li, J.5
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| 刊名 | JOURNAL OF HYDRAULIC ENGINEERING
 |
| 出版日期 | 2014-02-01 |
| 卷号 | 140期号:2页码:199-207 |
| 关键词 | Dam-break flow Attenuation Water depth of reservoir Pressure load Cascade dams Bed slope |
| ISSN号 | 0733-9429 |
| 通讯作者 | W. L. Xu |
| 英文摘要 | The failure of a natural or an artificial dam often leads to catastrophic flooding downstream. Studies have been conducted to investigate the mechanisms of single dam failure and the propagation of dam-break flood wave. However, little attention has been paid to the cascade failure of two or more sequential dams. In this article, consequences of a dam-break flood wave down a channel exerting pressure load on a downstream dam with different backwater effects were studied experimentally. Three typical flood patterns were observed for different downstream reservoir water depths. High precision pressure sensors were employed to measure the pressure load at different heights on the dam. Changes of the maximum pressure load were measured as the bed slope and the upstream and downstream reservoir water depths varied. An empirical formula was obtained by linear regression to predict the maximum pressure load. Additionally, a sinusoidal attenuation function was introduced to describe the time evolution of pressure load exerted on the downstream dam, and its parameters were determined using the measurement data in different cases. |
| WOS标题词 | Science & Technology ; Technology ; Physical Sciences |
| 学科主题 | 水利工程 |
| 类目[WOS] | Engineering, Civil ; Engineering, Mechanical ; Water Resources |
| 研究领域[WOS] | Engineering ; Water Resources |
| 关键词[WOS] | FINITE-VOLUME METHOD ; INITIAL-STAGE ; WAVES ; SIMULATION ; RISK |
| 收录类别 | SCI |
| 原文出处 | http://cedb.asce.org/cgi/WWWdisplay.cgi?314199 |
| 语种 | 英语 |
| WOS记录号 | WOS:000333446600008 |
| 公开日期 | 2014-12-11 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/7538]  |
| 专题 | 成都山地灾害与环境研究所_山地灾害与地表过程重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Peoples R China 2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China 3.Sichuan Univ, State Key Lab Hydraul & Mt River Engn, Chengdu 610065, Peoples R China 4.HydroChina Huadong Engn Corp, Hangzhou 310014, Zhejiang, Peoples R China 5.Sichuan Huadian Muli River Hydropower Dev Co Ltd, Xichang 610016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, H. Y.,Xu, W. L.,Deng, J.,et al. Experimental Investigation of Pressure Load Exerted on a Downstream Dam by Dam-Break Flow[J]. JOURNAL OF HYDRAULIC ENGINEERING,2014,140(2):199-207. |
| APA | Chen, H. Y.,Xu, W. L.,Deng, J.,Xue, Y.,&Li, J..(2014).Experimental Investigation of Pressure Load Exerted on a Downstream Dam by Dam-Break Flow.JOURNAL OF HYDRAULIC ENGINEERING,140(2),199-207. |
| MLA | Chen, H. Y.,et al."Experimental Investigation of Pressure Load Exerted on a Downstream Dam by Dam-Break Flow".JOURNAL OF HYDRAULIC ENGINEERING 140.2(2014):199-207. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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