| 坝下游面钢衬钢筋混凝土管道结构优化布置 |
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| 引用本文： | 张伟,伍鹤皋,王从保.坝下游面钢衬钢筋混凝土管道结构优化布置[J].水力发电学报,2006,25(4):96-101. |
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| 作者姓名： | 张伟 伍鹤皋 王从保 |
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| 作者单位： | 武汉大学水资源与水电工程科学国家重点实验室,武汉430072 |
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| 摘 要： | 本文从管道截面形状、钢材用量和钢筋布置、钢衬外包混凝土厚度,管道与坝体相对位置及接缝处理四个方面,论述坝下游面钢衬钢筋混凝土管道结构设计的优化方法和原则.结合某水电站工程的实际,从优选的角度对该工程坝下游面钢衬钢筋混凝土管道的布置进行对比分析,表明从减小管线长度、节省工程投资的角度出发,建议采用半埋,外包1.5m厚混凝土的结构布置形式.
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| 关 键 词： | 水工结构 结构优化布置 有限单元法 背管 钢衬钢筋混凝土 钢材配置 管坝接缝面 |
| 收稿时间： | 2005-04-06 |
| 修稿时间： | 2005-04-06 |
Optimization of arrangement of steel lining reinforced concrete penstocks on the downstream surface of dams |
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| ZHANG Wei, WU Hegao, WANG Congbao.Optimization of arrangement of steel lining reinforced concrete penstocks on the downstream surface of dams[J].Journal of Hydroelectric Engineering,2006,25(4):96-101. |
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| Authors: | ZHANG Wei WU Hegao WANG Congbao |
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| Affiliation: | State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072 |
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| Abstract: | From the section shape of penstocks, allocation of steel and arrangement of reinforcing bar, thickness of concrete around steel pipe as well as the interface between the dam and the penstock, the optimization method and principle of structural design of steel lining reinforced concrete penstocks on the downstream surface of dams have been discussed. In accordance with the practice of Jinanqiao hydropower station, contrastive analysis on the arrangement of this kind of penstock has been carried out by means of optimization method. An arrangement of semiburied type with 1 .5in-thick concrete wall is suggested in order to reduce the length of pipe line and economize the investment of the engineering. |
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| Keywords: | hydraulic structure structural optimization finite element method penstocks on downstream surface of dams reinforced concrete with steel liner allocation of steel interface between dam and penstock |
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