Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing Bars

Steel-fiber reinforced concrete (SFRC) has the advantages of high strength, durability, and crack prevention ability. Studies on the compressive strength, tensile strength and flexural behavior of SFRC have been carried out by many researchers. In this paper, the toughness of SFRC along with the bon...

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Main Authors: Hongmei Zhang, Zizhao Tang, Jinguang Li, Zheming Hu, Qian Feng
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Buildings
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Online Access:https://www.mdpi.com/2075-5309/15/2/274
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author Hongmei Zhang
Zizhao Tang
Jinguang Li
Zheming Hu
Qian Feng
author_facet Hongmei Zhang
Zizhao Tang
Jinguang Li
Zheming Hu
Qian Feng
author_sort Hongmei Zhang
collection DOAJ
description Steel-fiber reinforced concrete (SFRC) has the advantages of high strength, durability, and crack prevention ability. Studies on the compressive strength, tensile strength and flexural behavior of SFRC have been carried out by many researchers. In this paper, the toughness of SFRC along with the bond behavior between SFRC and reinforcement were investigated. Hooked-end and straight steel fibers were chosen in the toughness tests of SFRC. The test results show that the SFRC mixtures with hooked-end steel fibers exhibit higher toughness. In addition, hooked-end steel fibers were chosen to be mixed in the SFRC to demonstrate the bond behavior between SFRC and reinforcing bars. Different embedment lengths were considered in the tests to show the influence of the anchorage area on the bond–slip responses in the pull-out tests. The failure modes for different specimens were exhibited. The results show that the embedment length more than 5 times the bar diameter causes tensile failure of the reinforcement, while the embedment length of 3 times the bar diameter causes pull-out failure of the reinforcement.
format Article
id doaj-art-f2d9c61ef65a488e82399d03b590a7ce
institution Kabale University
issn 2075-5309
language English
publishDate 2025-01-01
publisher MDPI AG
record_format Article
series Buildings
spelling doaj-art-f2d9c61ef65a488e82399d03b590a7ce2025-01-24T13:26:26ZengMDPI AGBuildings2075-53092025-01-0115227410.3390/buildings15020274Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing BarsHongmei Zhang0Zizhao Tang1Jinguang Li2Zheming Hu3Qian Feng4College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, ChinaCollege of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, ChinaHunan Track Survey and Design Co., Ltd., Changsha 410020, ChinaCollege of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, ChinaCollege of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, ChinaSteel-fiber reinforced concrete (SFRC) has the advantages of high strength, durability, and crack prevention ability. Studies on the compressive strength, tensile strength and flexural behavior of SFRC have been carried out by many researchers. In this paper, the toughness of SFRC along with the bond behavior between SFRC and reinforcement were investigated. Hooked-end and straight steel fibers were chosen in the toughness tests of SFRC. The test results show that the SFRC mixtures with hooked-end steel fibers exhibit higher toughness. In addition, hooked-end steel fibers were chosen to be mixed in the SFRC to demonstrate the bond behavior between SFRC and reinforcing bars. Different embedment lengths were considered in the tests to show the influence of the anchorage area on the bond–slip responses in the pull-out tests. The failure modes for different specimens were exhibited. The results show that the embedment length more than 5 times the bar diameter causes tensile failure of the reinforcement, while the embedment length of 3 times the bar diameter causes pull-out failure of the reinforcement.https://www.mdpi.com/2075-5309/15/2/274SFRC (steel-fiber reinforced concrete)toughnessreinforcementbondembedment length
spellingShingle Hongmei Zhang
Zizhao Tang
Jinguang Li
Zheming Hu
Qian Feng
Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing Bars
Buildings
SFRC (steel-fiber reinforced concrete)
toughness
reinforcement
bond
embedment length
title Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing Bars
title_full Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing Bars
title_fullStr Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing Bars
title_full_unstemmed Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing Bars
title_short Experimental Investigation on Toughness of SFRC and Bond Behavior with Reinforcing Bars
title_sort experimental investigation on toughness of sfrc and bond behavior with reinforcing bars
topic SFRC (steel-fiber reinforced concrete)
toughness
reinforcement
bond
embedment length
url https://www.mdpi.com/2075-5309/15/2/274
work_keys_str_mv AT hongmeizhang experimentalinvestigationontoughnessofsfrcandbondbehaviorwithreinforcingbars
AT zizhaotang experimentalinvestigationontoughnessofsfrcandbondbehaviorwithreinforcingbars
AT jinguangli experimentalinvestigationontoughnessofsfrcandbondbehaviorwithreinforcingbars
AT zheminghu experimentalinvestigationontoughnessofsfrcandbondbehaviorwithreinforcingbars
AT qianfeng experimentalinvestigationontoughnessofsfrcandbondbehaviorwithreinforcingbars