EXPERIMENTAL STUDY ON SPLITTING TENSILE STRENGTH OF CONCRETE REINFORCED BY STEEL FIBERS WITH MULTIPLE HOOKED-ENDS

CHEN Gang; SHI Ming; LI Ruiran; XIAO Xu; BAI Jing

doi:10.13204/j.gyjzG19111504

Volume 50 Issue 10

Jan. 2021

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2020 > 50(10): 129-132,169

CHEN Gang, SHI Ming, LI Ruiran, XIAO Xu, BAI Jing. EXPERIMENTAL STUDY ON SPLITTING TENSILE STRENGTH OF CONCRETE REINFORCED BY STEEL FIBERS WITH MULTIPLE HOOKED-ENDS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(10): 129-132,169. doi: 10.13204/j.gyjzG19111504

Citation:

CHEN Gang, SHI Ming, LI Ruiran, XIAO Xu, BAI Jing. EXPERIMENTAL STUDY ON SPLITTING TENSILE STRENGTH OF CONCRETE REINFORCED BY STEEL FIBERS WITH MULTIPLE HOOKED-ENDS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(10): 129-132,169. doi: 10.13204/j.gyjzG19111504

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EXPERIMENTAL STUDY ON SPLITTING TENSILE STRENGTH OF CONCRETE REINFORCED BY STEEL FIBERS WITH MULTIPLE HOOKED-ENDS

doi: 10.13204/j.gyjzG19111504

CHEN Gang¹,
SHI Ming^{2
,
,},
LI Ruiran³,
XIAO Xu⁴,
BAI Jing⁴

1. College of Civil Engineering, Henan University of Engineering, Zhengzhou 451191, China;
2. China Gezhouba Group Co., Ltd., Wuhan 430000, China;
3. School of Civil Engineering, Zhengzhou University, Zhengzhou 450001, China;
4. School of Water Resources Science and Engineering, Zhengzhou University, Zhengzhou 450001, China

Received Date: 2019-11-15

Abstract

Abstract

Splitting tensile test was conducted on concrete reinforced by 3D steel fibers with single hooked end, as well as 4D and 5D steel fibers with multiple hooked-ends. Then the effects of concrete matrix strength, volume fractions and types of steel fibers on the splitting tensile strength of steel-fiber-reinforced concrete (SFRC) were studied. The results showed that steel fibers could improve the unity of concrete after being damaged. To concrete of grade C40 and C60, the reinforcement of steel fibers could be exploited, thus the splitting tensile strength of SFRC was increased. Also, increasing the volume fractions of steel fibers from 0% to 1.4% was beneficial to improvement of splitting tensile strength of SFRC, especially that the comcrete with 4D and 5D steel fibers was better than that one with 3D steel fibers. Finally, according to the standard JG/T 472-2015 Steel Fiber Reiforced Concrete, a calculation method to predict splitting tensile strength of concrete reinforced by steel fibers with multiple hooked-ends was proposed and showed a good agreement with the test results.
- steel fiber,
- concrete,
- splitting tensile strength

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References(7)

References

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