| 坝后预应力混凝土压力背管的受力性能 |
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| 引用本文： | 刘筠 席江. 坝后预应力混凝土压力背管的受力性能[J]. 华北水利水电学院学报, 1999, 20(4): 30-33 |
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| 作者姓名： | 刘筠 席江 |
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| 作者单位： | [1]河南黄河勘测设计研究院 [2]广东省肇庆市水利水电勘测设计院 |
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| 基金项目： | 水利部水利科技重点项目!(SZ9422)，三峡工程枢纽八个单项技术设计审查科研项目子专题!(ZT- 95(I)- 17) |
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| 摘 要： | 结合三峡水电站坝后浅埋式压力背管的布置,研究了采用钢衬预应力混凝土结构替代原设计钢衬钢筋混凝土结构的可行性.通过分析坝管连接侧面设置与不设置软垫层对钢衬预应力混凝土压力管道本身的受力性能及管道对坝体的影响,提出了取消软垫层的设计与施工建议.研究了钢衬预应力混凝土压力管道在施工和使用阶段的受力性能
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| 关 键 词： | 预应力混凝土 压力管道 受力性能 软垫层 |
Behaviors of prestressed concrete penstock |
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| LIU Yun ,XI Jiang ,LI Feng-lan. Behaviors of prestressed concrete penstock[J]. Journal of North China Institute of Water Conservancy and Hydroelectric Power, 1999, 20(4): 30-33 |
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| Authors: | LIU Yun XI Jiang LI Feng-lan |
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| Affiliation: | LIU Yun 1,XI Jiang 2,LI Feng-lan 3 |
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| Abstract: | Combined with the arrangement of penstock shallow laid on the dam back of Three Gorges Project, the feasibility probability was studied with the steel lined prestressed concrete penstock instead of the steel lined reinforced concrete penstock. By the analysis for the effects of flexible pad between dam and prestressed concrete penstock on the loading behaviors of penstock itself and the dam, the design and construction suggestions of abolishing the flexible pad are proposed. Meanwhile, the properties of the steel lined prestressed concrete penstock in the periods of construction and serviceability are studied. |
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| Keywords: | prestressed concrete penstock behavior flexible pad |
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