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A Numerical and Experimental Study on Structural Performance of Noncomposite and Composite Eco-Arch Structures subjected to Concentrated Loads  

Kim, Yong-Hee (상명대학교 건설시스템공학과)
Park, Jong-Sup (상명대학교 건설시스템공학과)
Lee, Young-Ho (한국건설기술연구원)
Oh, Min-Su ((주)청석엔지니어링)
Publication Information
Journal of Korean Society of Steel Construction / v.22, no.2, 2010 , pp. 173-183 More about this Journal
Abstract
In this study, noncomposite and composite eco-arch structures with I-beams and precast concrete(PC) decks were investigated. Four finite-element models(a steel-girder model, a steel-girder-and-several-PC-panels model, a three-steel-girder model, and a three-steel-girder-and-several-PC-panels model) using a general finite-element program, ABAQUS, were reviewed to predict the strength of the noncomposite and composite arch structures. Based on the results of the finite- element analysis, the behaviors of the four models were investigated, and deflection and strain gauges for the experimental specimen consisting of three steel girders and several PC panels were set up to obtain the ultimate strength. The ultimate strength of the specimen was estimated to be 1,961kN. The ultimate strength was much larger than the 1,380-kN load calculated using AASHTO LRFD Bridge Design Specifications(2007). The noncomposite and composite arch bridges were found to have enough strength for safety.
Keywords
noncomposite; composite; arch; eco-bridge; finite element analysis;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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