| 大型先后张结合预应力箱梁预制施工技术难点分析 |
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| 引用本文： | 张士晓.大型先后张结合预应力箱梁预制施工技术难点分析[J].施工技术,2007(Z1). |
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| 作者姓名： | 张士晓 |
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| 作者单位： | 上海市建筑构件制品有限公司磁悬浮制梁厂 上海201205 |
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| 摘 要： | 该文结合大型预应力箱梁工厂化预制施工中的实践经验,针对该类构件预制施工中的主要难点进行了分析总结,重点介绍了梁型特征参数翻样、生产台座和模板的设计及操作工艺、混凝土浇筑、先后张预应力施工等关键技术。
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| 关 键 词： | 特征施工参数翻样 模板体系 混凝土浇筑 先后张预应力施工 大型复杂构件 |
Analysis of Precast Construction Technology Difficulties in Large-scale Prestressed Box Beam |
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| ZHANG Shi-xiao.Analysis of Precast Construction Technology Difficulties in Large-scale Prestressed Box Beam[J].Construction Technology,2007(Z1). |
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| Authors: | ZHANG Shi-xiao |
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| Abstract: | According to experiments during the factory precast construction of large-scale prestressed box beam,main difficulties during the construction of such kinds of components are analyzed and summarized.Key points of construction technology are emphasized in this text,such as sorting out of beam characteristic parameter,desigh and operating technology of pedestal and formwork,concrete pouring,pre-tension and post-tension construction,etc. |
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| Keywords: | sorting out of characteristic parameter formwork system concrete pouring pre-tension and post-tension construction complex large-scale component |
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