| 体外预应力加固钢结构的研究与发展 |
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| 引用本文： | 王金花,张晓光.体外预应力加固钢结构的研究与发展[J].低温建筑技术,2013(10):46-49. |
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| 作者姓名： | 王金花 张晓光 |
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| 作者单位： | [1]同济大学建筑工程系,上海200092 [2]同济大学建筑设计研究院,上海200092 |
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| 摘 要： | 体外预应力加固钢结构具有加固工作可在不卸载情况下进行、减小变形、降低内力峰值、扩大结构弹性受力幅度等优点。本文给出了国内外体外预应力加固钢结构的几个工程实例，综述了国内外学者在预应力加固钢结构的承载力、布索方案、预应力损失、设计方法、构造措施方面的研究成果，并指出有待进一步研究的工作。
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| 关 键 词： | 体外预应力 钢结构 加固 承载力 |
RESEARCH AND DEVELOPMENT ON EXTERNALLY PRESTRESSED STEEL STRUCTURE |
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| WANG Jin-hua,ZHANG Xiao-guang.RESEARCH AND DEVELOPMENT ON EXTERNALLY PRESTRESSED STEEL STRUCTURE[J].Low Temperature Architecture Technology,2013(10):46-49. |
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| Authors: | WANG Jin-hua ZHANG Xiao-guang |
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| Affiliation: | 1. Department of Building Engi. , Tongji Univ. , Shanghai 200092, China; 2. The Architectural Design ＆ Research Institute of Tongji Univ. , Shanghai 200092, China) |
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| Abstract: | The external prestressing technology has many advantages strengthening the existing steel structures. Several home and abroad engineering examples with the technique were given. Researches in the field of steel structures strengthened with external prestress concerning bearing capacity, tendon dis- position option, loss of prestress, design methods and constructional measures were summarized. The re- search projects to be conducted are proposed. |
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| Keywords: | external prestress steel structure strengthening bearing capacity |
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