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体外预应力加固钢筋混凝土拱桥关键技术研究

DOI: 10.3969/j.issn.1674-0696.2013.sup.1.23, PP. 823-826

Keywords: 创新性,体外预应力,加固,钢筋混凝土拱桥,innovation,prestress,strengthen,reinforcedconcretebridge

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Abstract:

:?创新性的提出了钢筋混凝土拱桥的一种新的加固技术方案。首先对体外预应力加固钢筋混凝土拱桥的思路、方法、施工工序进行了阐述,进而对加固的原理、计算要点做了说明,最后通过MidasCivil大型仿真分析计算软件对某桥加固前后进行了分析计算。分析结果表明:提出的体外预应力加固钢筋混凝土拱桥的新加固方法具有加固效果好、社会效益高,简便、经济等优点。

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