PBO纤维片材预应力外粘结加固集成新技术

被引:8
作者
吴智深
岩下健太郎
牛赫东
机构
[1] 日本国立茨城大学都市系统工程
[2] 日本国立茨城大学都市系统工程 日本九洲日立市-
关键词
纤维增强聚合物(FRP); PBO纤维片材; 增强加固; 外粘结; 锚固措施;
D O I
暂无
中图分类号
TB332 [非金属复合材料];
学科分类号
0805 ; 080502 ;
摘要
近年采用外部粘结纤维增强复合材料(FRP)来加固结构越来越受到许多研究开发机构和生产单位的重视。结合作者在FRP方面的研究成果和最新开发出的高强高性能的PBO纤维材料,系统地提出了一种更为有效的预应力外粘结加固方法;通过与玻璃纤维、炭素纤维和芳纶纤维等的比较,认清了新型PBO纤维材料的特性;根据既有的试验和研究成果提出了一套完整的预应力加固方法的流程,包括概念、原理和几种降低端部界面应力和新型锚固的措施;室内小型试验和室外大型试验的结果表明,PBO片材预应力技术能够提供令人满意的加固性能。
引用
收藏
页码:18 / 24
页数:7
相关论文
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