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反拱型水垫塘——窄河谷大流量高坝泄洪消能工的合理选择
引用本文:崔广涛,彭新民,杨敏.反拱型水垫塘——窄河谷大流量高坝泄洪消能工的合理选择[J].水利水电技术,2001,32(12):1-3.
作者姓名:崔广涛  彭新民  杨敏
作者单位:天津大学,水利水电工程系,
基金项目:国家电力公司重点科技项目资助.
摘    要:以某大型水电工程为背景,通过考察其地形、地质、水力学、结构、施工和运行条件,经论证得出反拱型水垫塘与之最为协调,最适宜于做窄河谷大流量高拱坝的泄洪消能工,其优点突出。水弹性模型试验研究证明:反拱型底板抗浮稳定安全系数比平底板大得多,反拱型水垫塘是一种安全性选择。

关 键 词:水垫塘  反拱型底板  平底板  抗浮稳定  窄河谷  大流量  高坝  泄洪消能  大型水电工程
文章编号:1000-0860(2001)12-0001-03
修稿时间:2001年11月1日

Reasonable Selection of High Arch Dam Energy Dissipator in Narrow Valley Under Large Dis charge-Counter-arch Slab Plunge Pool
Cui Guangtao,Peng Xinmin,Yang Min.Reasonable Selection of High Arch Dam Energy Dissipator in Narrow Valley Under Large Dis charge-Counter-arch Slab Plunge Pool[J].Water Resources and Hydropower Engineering,2001,32(12):1-3.
Authors:Cui Guangtao  Peng Xinmin  Yang Min
Abstract:Based on the topography,geological structure,hydraulics,hydraulic structure,construction and operating conditions of a large hydropower project,the counter-arch slab plunge pool is proved most fitted for the project of high arch dam energy dissipation in narrow valley under large discharge.The hydroelastic model experimental research indicates that stability safety coefficient against floataion of the counter-arch slab is much bigger than that of flat slab.The counter-arch slab plunge pool is the reasonable selection for safety.
Keywords:plunge pool  counter-arch slab  flat slab  stability against floatation  random uplift force  
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