| 网架改造加固设计方法 |
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| 引用本文： | 李树林,张津涛,吴元,乌兰. 网架改造加固设计方法[J]. 钢结构, 2009, 24(11): 35-39 |
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| 作者姓名： | 李树林 张津涛 吴元 乌兰 |
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| 作者单位： | 南京工业大学工程检测鉴定与加同中心,南京,210009;南京金鹰国际集团工程技术部,南京,210008;东南大学土木工程学院,南京,210096 |
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| 摘 要： | 针对网架加固改造,简要介绍了几种加固方法。着重介绍网架无图纸情况下,通过测绘杆件及杆件壁厚,采用SAP 2000推算出材料强度,采用在已有网架上建立预应力结构体系的加固设计方法,找出对一般网架提高承载力进行加固的捷径。
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| 关 键 词： | 网架 预应力体系 加固改造 节点处理 |
STRENGTHENING DESIGN METHODS OF SPACE GRID |
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| Li Shulin,Zhang Jintao,Wu Yuan,Wu Lan. STRENGTHENING DESIGN METHODS OF SPACE GRID[J]. Steel Construction, 2009, 24(11): 35-39 |
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| Authors: | Li Shulin Zhang Jintao Wu Yuan Wu Lan |
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| Affiliation: | Li Shulin1 Zhang Jintao2 Wu Yuan3 Wu Lan3(1.Engineering Appraisal and Strengthening Center,Nanjing University of Technology,Nanjing 210009,China,2.Engineering Headquarter,Golden Eagle International Group,Nanjing 210008,3.School of Civil Engineering,Southeast University,Nanjing 210096,China) |
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| Abstract: | Specifically for space grid strengthening,several kinds strengthening methods are briefly introduced.When space grid has no a drawing,by surveying the member and member wall thickness, calculating material strength by SAP 2000,a strengthening design method based on building-up prestressed force structure system is adopted,it's found a briefly strengthening design method of improving load-carrying capacity of the space grid strengthening. |
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| Keywords: | space grid prestressed system strengthening node treatment |
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