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http://dx.doi.org/10.14190/JRCR.2021.9.3.311

Material Model for Compressive and Tensile Behaviors of High Performance Hybrid Fiber Reinforced Concrete  

Kwon, Soon-Oh (Diagnosis Team, Sean Safety Industry)
Bae, Su-Ho (Department of Civil Engineering, Andong National University)
Lee, Hyun-Jin (Business Department, JY Construction)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.9, no.3, 2021 , pp. 311-321 More about this Journal
Abstract
Many studies have been performed on hybrid fiber reinforced concrete for years, which is to improve some of the weak material properties of concrete. Studies on characteristics of hybrid fiber reinforced concrete using amorphous steel fiber and organic fiber, however, yet remain to be done. The purpose of this research is to evaluate the compressive and tensile behaviors and then propose a material model of high performance hybrid fiber reinforced concrete using amorphous steel fiber and polyamide fiber. For this purpose, the high performance hybrid fiber reinforced concretes were made according to their total volume fraction of 1.0% for target compressive strength of 40MPa and 60MPa, respectively, and then the compressive and tensile behaviors of those were evaluated. Also, based on the experimental results of the high performance hybrid fiber reinforced concrete and mortar, each material model for the compressive and tensile behavior was suggested. It was found that the experimental results and the proposed models corresponded relatively well.
Keywords
High performance hybrid fiber reinforced concrete; Stress-strain characteristics; Compressive behavior; Tensile behavior; Material model;
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