Please use this identifier to cite or link to this item: http://lrc.quangbinhuni.edu.vn:8181/dspace/handle/DHQB_123456789/3808
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dc.contributor.authorZhi-Yu Wang (Department of Civil Engineering & Mechanics, Sichuan University, Chengdu 610065, China)-
dc.contributor.authorQing-Yuan Wang (Department of Civil Engineering & Mechanics, Sichuan University, Chengdu 610065, China)-
dc.contributor.authorYong-Jie Liu (Department of Civil Engineering & Mechanics, Sichuan University, Chengdu 610065, China)-
dc.date.accessioned2018-08-22T07:51:20Z-
dc.date.available2018-08-22T07:51:20Z-
dc.date.issued1996-
dc.identifier.urihttp://lrc.quangbinhuni.edu.vn:8181/dspace/handle/DHQB_123456789/3808-
dc.description.abstractCorrugated steel web with inherent high out-of-plane stiffness has a promising application in configuring large span highway bridge girders. Due to the irregularity of the configuration details, the local stress concentration poses a major fatigue problem for the welded flange plates of high strength low alloy structural steels. In this work, the methods of applying CFRP laminate and shot peening onto the surfaces of the tension flanges were employed with the purpose of improving the fatigue strength of such configuration details. The effectiveness of this method in the improvement of fatigue strength has been examined experimentally. Test results show that the shot peening significantly increases hardness and roughness in contrast to these without treatment. Also, it has beneficial effects on the fatigue strength enhancement when compared against the test data of the joints with CFRP strengthening. The stiffness degradation during the loading progress is compared with each treatment. Incorporating the stress acting on the constituent parts of the CFRP laminates, a discussion is made regarding the mechanism of the retrofit and related influencing factors such as corrosion and economic cost. This work could enhance the understanding of the CFRP and shot peening in repairing such welded details and shed light on the reinforcement design of welded joints between corrugated steel webs and flange plates.en_US
dc.language.isoen_USen_US
dc.publisherMDPI AGen_US
dc.subjectTechnology: Electrical engineering. Electronics. Nuclear engineeringen_US
dc.subjectTechnology: Engineering (General). Civil engineering (General) | Science: Natural history (General): Microscopyen_US
dc.subjectScience: Physics: Descriptive and experimental mechanicsen_US
dc.titleEvaluation of Fatigue Strength Improvement by CFRP Laminates and Shot Peening onto the Tension Flanges Joining Corrugated SteelWebsen_US
dc.typeOtheren_US
Appears in Collections:Bridge engineering

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