| 局部预应力钢筋混凝土框架体系的实测与分析 |
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| 引用本文： | 黄智伟,张琪伟,张保印,张兴虎,张伟.局部预应力钢筋混凝土框架体系的实测与分析[J].建筑结构,2002(6). |
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| 作者姓名： | 黄智伟 张琪伟 张保印 张兴虎 张伟 |
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| 作者单位： | 西安建筑科技大学 西安710055
(黄智伟，张琪伟，张保印，张兴虎)，中基建设监理咨询有限公司 西安710062(张伟) |
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| 摘 要： | 介绍了西北政法大学新建教学楼预应力框架中预应力梁反拱及截面应力分布的工程实测结果 ,分析了随着预应力的逐步施加 ,预应力梁反拱、截面应力分布的变化过程以及各梁之间的相互影响 ,并与现行计算理论的计算结果进行了比较。最后通过对预应力框架的受力分析 ,提出了考虑预应力框架与非预应力框架在次梁及楼板的约束作用下整体协同工作的结构计算数学模型 ,并指出了在预应力钢筋混凝土框架设计时进行施工阶段验算的必要性。
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| 关 键 词： | 预应力框架 整体协同工作 截面应力分布 |
Field Survey Results and Analysis of a Partial Prestressed Concrete Frame Structure |
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| Huang Zhiwei,Zhang Qiwei,Zhang Baoyin et al..Field Survey Results and Analysis of a Partial Prestressed Concrete Frame Structure[J].Building Structure,2002(6). |
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| Authors: | Huang Zhiwei Zhang Qiwei Zhang Baoyin |
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| Affiliation: | Huang Zhiwei Zhang Qiwei Zhang Baoyin et al. |
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| Abstract: | Field survey results of reverse cove and section stress distribution of the beams of a new built PRC school building in Northwest Politic & Law University are introduced,its change course and the relative influence between different beams with the increase of prestress are analyzed, and it is compared with the calculation results of present theories. With interior forces analysis, a new structure model considering cooperation between prestressed reinforced concrete frame and reinforced concrete frame structures under the restrain of secondary beams and floor is proposed. |
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| Keywords: | prestressed frame structure cooperation stress distribution |
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