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http://dx.doi.org/10.9712/KASS.2021.21.2.67

Numerical Model of FRP Jacketed RC Column Under Blast Loading Scenario  

Shin, Jiuk (Department of Architectural Engineering, Gyeongsang National University)
Publication Information
Journal of Korean Association for Spatial Structures / v.21, no.2, 2021 , pp. 67-79 More about this Journal
Abstract
This paper aims to develop numerical models for seismically-deficient reinforced concrete columns retrofitted using a fiber-reinforced polymer jacketing system under blast loading scenarios. To accomplish the research goal, a coupling model reproducing blast loads was developed and implemented to the column model. The column model was validated with a past experimental study, and the blast responses were compared to the numerical responses produced by past researchers. The validated modeling method was implemented to the non-retrofitted and retrofitted column models to estimate the effectiveness of the retrofit system. Based on the numerical responses, the retrofit system can significantly reduce the peak dynamic responses under a given blast loading scenario.
Keywords
Blast load; Seismically-deficient reinforced concrete column; Fiber-reinforced polymer jacketing system; Effectiveness of retrofit system;
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