| 济南某工程大跨度预应力结构有关问题的探讨 |
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| 引用本文： | 边广生 李金根 王岩. 济南某工程大跨度预应力结构有关问题的探讨[J]. 山东建筑工程学院学报, 2003, 18(4): 15-17,38 |
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| 作者姓名： | 边广生 李金根 王岩 |
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| 作者单位： | 东南大学土木工程学院 江苏南京210096(边广生，李金根)，中铁第十四工程局 山东济南250014(王岩) |
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| 摘 要： | 介绍了济南某工程大跨度预应力结构的测试分析方法,用ANSYS有限元程序对这种带次框架的大跨度预应力结构的受力特点进行分析,在张拉顺序、预应力梁截面改变对内力的影响、预应力施加后对结构的影响以及次弯矩的作用等方面进行了探讨并给出自己的结论,针对设计和施工提出建议。
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| 关 键 词： | 后张预应力 施工 测试 有限元分析 |
Research on several issues of large-span prestressed structure |
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| BIAN Guang-sheng,LI Jin-gen,WANG Yan. Research on several issues of large-span prestressed structure[J]. Journal of Shandong Institute of Architecture and Engineering, 2003, 18(4): 15-17,38 |
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| Authors: | BIAN Guang-sheng LI Jin-gen WANG Yan |
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| Affiliation: | BIAN Guang-sheng~1,LI Jin-gen~1,WANG Yan~2 |
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| Abstract: | Based on one engineering case in Jinan, test and analysis method of a prestressed large-span structure was introduced in this paper. Load carrying behavior of the structure which has sub-frame was ananlyzed by ANSYS, one commercial finite element analysis program. Such issues were discussed as tension sequence, the influence of changing prestressed beam section on inner force, prestress in fluence on structure and induced sub-moment. Some proposals are given on design and construction. Advice of design and construction is introduced in this paper. |
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| Keywords: | post-tensioning prestress construction test finite element analysis |
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