| 预应力施工阶段混凝土压力管道受力性能研究 |
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| 引用本文： | 赵顺波,李晓克,赵国藩.预应力施工阶段混凝土压力管道受力性能研究[J].水力发电学报,2004,23(1):36-41. |
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| 作者姓名： | 赵顺波 李晓克 赵国藩 |
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| 作者单位： | 1. 华北水利水电学院土木工程系,郑州,450011
2. 大连理工大学土木水利学院,大连,116023 |
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| 基金项目： | 20 0 2年度河南省高校青年骨干教师资助计划项目，水利部水利科技重点项目 (SZ942 2 ) |
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| 摘 要： | 本文基于环形预应力作用机理和弹性双层圆筒计算模型 ,推导出压力管道在预应力作用下的应力和径向变形解析计算公式 ,与模型试验和三维有限元仿真计算结果进行了对比分析 ,表明所提出的理论计算公式可用于混凝土压力管道在预应力施工阶段的应力和变形控制设计。
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| 关 键 词： | 水工结构工程 应力与变形 模型试验 有限元分析 压力管道 预应力混凝土 |
| 修稿时间： | 2002年11月21 |
Study on the properties of prestressed concrete penstock in construction stage |
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| ZHAO Shunbo ,LI Xiaoke ,ZHAO Guofan.Study on the properties of prestressed concrete penstock in construction stage[J].Journal of Hydroelectric Engineering,2004,23(1):36-41. |
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| Authors: | ZHAO Shunbo LI Xiaoke ZHAO Guofan |
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| Affiliation: | ZHAO Shunbo 1,LI Xiaoke 1,ZHAO Guofan 2 |
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| Abstract: | Based on the ring like prestressing action mechanism and the two layer model of elastic barrel,the stress and deformation analytic formula of prestressed concrete penstock in construction stage has been derived in this paper.Compared the results of the analytic solution with the simulated model test and the three dimensional finite element analysis,it is demonstrated that the analytic formula can be used to the control design of stress and deformation of prestressed concrete penstock in construction stage. |
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| Keywords: | hydraulic structure engineering stress and deformation simulated model test FEM analysis penstock prestressed concrete |
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