| 预应力网架结构施工控制应力确定方法 |
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| 引用本文： | 刘俊玲,董艳秋,徐吉凯. 预应力网架结构施工控制应力确定方法[J]. 低温建筑技术, 2008, 30(6) |
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| 作者姓名： | 刘俊玲 董艳秋 徐吉凯 |
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| 作者单位： | 1. 黑龙江工程学院,哈尔滨,150066
2. 中铁十九局第一建筑有限公司,辽宁,辽阳,111000 |
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| 摘 要： | 在预应力网架结构杆件基本理论研究的基础上,通过对预应力网架结构施工进行张拉全过程分析,给出了当逐次增加单根预应力杆并施加预应力时,杆件施工控制应力的理论计算方法。可以一次性完成预应力施加,无需进行预应力调整,达到方便施工的目的。
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| 关 键 词： | 预应力 施工 控制应力 网架结构 |
METHOD OF CALCULATING PRESTRESSED SPACE GRID STRUCTURES'S CONTROLLING FORCE |
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| LIU Jun-ling,DONG Yan-qiu,XU Ji-kai. METHOD OF CALCULATING PRESTRESSED SPACE GRID STRUCTURES'S CONTROLLING FORCE[J]. Low Temperature Architecture Technology, 2008, 30(6) |
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| Authors: | LIU Jun-ling DONG Yan-qiu XU Ji-kai |
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| Affiliation: | LIU Jun-ling1,DONG Yan-qiu1,XU Ji-kai2 (1.Heilongjiang Institute of Engineering,Harbin 150056,China,2.No.1 Engineering Department of Zhongtie No.19 Engineering Bureau,Liaoyang 111000,China) |
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| Abstract: | In this paper,the authors introduced the calculation method of the controlling force of prestressed members,which is on the basic theory of the pretensioning force of prestressed members.The tension process of space grid structures was analyzed.By using this method,the prestressed members can be pretensioned at one time and no modification of the pretensioning force is needed,which is convenient for construction. |
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| Keywords: | pretensioning force construction controlling force space grid structures |
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