期刊
JOURNAL OF BRIDGE ENGINEERING
卷 10, 期 6, 页码 713-721出版社
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)1084-0702(2005)10:6(713)
关键词
Acoustic detection; Bridge decks; Composite materials; Damage assessment; Failure modes; Fiber composites; Sandwich panels; Monitoring
资金
- Kansas Department of Transportation (KDOT)
The application of fiber-reinforced composites (FRP) is gaining momentum as an alternative material for bridge replacement, repair, and rehabilitation. While a number of states now use FRP, a lack of standards, codes, and performance data for FRP bridge decks has resulted in the use of FRP technology not being widely accepted. This paper presents the performance results, based on acoustic emission (AE), of six full-scale glass FRP bridge deck panels with nominal cross-sectional depths varying from 152 mm (6 in.) to 800 mm (30 in.). The objective was to develop for use during in-service field inspections an AE monitoring strategy that will determine the structural performance of the deck. As such, the characterization of damage, e. g., fiber breakage, matrix cracking, and delamination, was part of the investigated criteria and the contributing factors for identification of a monitoring strategy. Although some factors were determined to be associated with the performance evaluation of the structural integrity of the decks, further investigation is needed. DOI: 10.1061/(ASCE)1084-0702(2005)10:6(713)
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