Evaluation of Flexural Toughness of Concrete Reinforced with High-Performance Steel Fiber

Author:

Koo Do-Hyuck1,Kim Jong-Sun1,Kim Sun-Hee1ORCID,Suh Sang-Wook1

Affiliation:

1. Department of Architectural Engineering, Gachon University, Seongnam-si 13120, Republic of Korea

Abstract

In this study, a flexural test and residual stress evaluation using the aspect ratio (65 and 80) and steel fiber content (20, 30, and 40 kg/m3) as variables were conducted according to the EN 14651 standard to investigate the flexural toughness of concrete reinforced with high-performance arched steel fibers. The result of the flexural test show that the residual stress was 114.5% higher in the test specimen with high curvature and high content of arched steel fibers than that in the other conditions. In addition, the energy absorption capacity of arched steel fiber-reinforced concrete increased by 138.88% compared to concrete.

Funder

Korea government

Publisher

MDPI AG

Subject

General Materials Science

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