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http://dx.doi.org/10.5659/JAIK_SC.2018.34.8.3

Evaluation of Structural Performance of RC Beams retrofitted PVA Fiber to the Change of Replacement Ratio of Recycled Fine Aggregates and Blast Furnace Slag  

Ha, Gee-Joo (경일대학교)
Yi, Dong-Ryul (경일대학교)
Ha, Jae-Hoon ((사)건설기술정책연구원)
Publication Information
Journal of the Architectural Institute of Korea Structure & Construction / v.34, no.8, 2018 , pp. 3-11 More about this Journal
Abstract
In this study, total nine R/C beams, designed by the PVA Fiber with ground granulated blast furnace slag and recycled fine aggregate were constructed and tested under monotonic loading. In the material development, micromechanics was adopted to properly select the optimized range of the composite based on steady-state cracking theory and experimental studies on the matrix and interracial properties. Experimental programs were carried out to improve and evaluate the structural performance of the test specimens: the load-displacement, the failure mode, the maximum strength, and ductility capacity were assessed. Test results showed that test specimens (BSPR-20, 40) was increased the maximum load carrying capacity by 3~6% and the ductility capacity by 9~14% in comparison with the standard specimen (BSS). And the specimens (BSPR-60, 80, 100) was decreased the maximum load carrying capacity by 0~4% and the ductility capacity by 79% in comparison with the standard specimen (BSS) respectively.
Keywords
Blast Furnace Slag; Recycled Fine Aggregates; RC Beams Retrofitted PVA Fiber; Evaluation of Structural Performance;
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