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工业建筑  2005 

FRP加固钢结构的研究进展

DOI: 10.13204/j.gyjz200508005

Keywords: 纤维增强复合材料(FRP),钢结构,加固

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Abstract:

钢结构在设计、制造、施工过程中可能产生各种缺陷,在使用阶段因超载、锈蚀、疲劳等原因会引起损伤累积,从而影响结构的安全。传统的钢结构加固方法主要有钢板焊接、螺栓连接、铆接或者粘接,这些方法存在许多缺点,如产生新的损伤和焊接残余应力等。而纤维增强复合材料(FRP)由于具有比强度和比刚度高、耐腐蚀等特点,已在混凝土结构加固中得到广泛应用。近年来的研究表明,FRP加固钢结构也显示出很好的效果。对国内外FRP加固钢结构的研究现状与进展进行了全面回顾与展望,涉及到钢结构构件的加固试验研究、胶粘剂及其受力分析研究、耐久性研究等诸方面。

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