NDE of FRP bridge beams and decks

被引:0
|
作者
Duke, JC [1 ]
Case, S [1 ]
Lesko, JJ [1 ]
机构
[1] Virginia Tech, Blacksburg, VA 24061 USA
关键词
D O I
暂无
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Over 100 fiber reinforced polymer (FRP) innovative bridge projects have been undertaken throughout the US in the past 5 years. However, little if any effort has been devoted to developing the capability to nondestructively evaluate these components. Assumptions that experience with NDE of FRP for aircraft applications can be adapted to these applications are naive. Results of efforts to develop NDE for these types of materials and components are presented. The use of infrared thermal imaging, ultrasonic examination, AE monitoring, Acousto-ultrasonic evaluation are discussed. Research with distributed embedded strain sensors for overcoming the inadequacies of conventional NDE is described.
引用
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页码:1178 / 1184
页数:7
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