EXPERIMENTAL RESEARCH ON FLEXURAL CAPACITY OF RECYCLED AGGREGATE CONCRETE BEAMS MIXED WITH STEEL FIBERS REINFORCED WITH BFRP BARS

HAN Fei; KONG Xiangqing; XING Lili; HE Wenchang; WANG Xuezhi

doi:10.13204/j.gyjz202006027

Volume 50 Issue 6

Aug. 2020

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HAN Fei, KONG Xiangqing, XING Lili, HE Wenchang, WANG Xuezhi. EXPERIMENTAL RESEARCH ON FLEXURAL CAPACITY OF RECYCLED AGGREGATE CONCRETE BEAMS MIXED WITH STEEL FIBERS REINFORCED WITH BFRP BARS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(6): 167-174. doi: 10.13204/j.gyjz202006027

Citation:

HAN Fei, KONG Xiangqing, XING Lili, HE Wenchang, WANG Xuezhi. EXPERIMENTAL RESEARCH ON FLEXURAL CAPACITY OF RECYCLED AGGREGATE CONCRETE BEAMS MIXED WITH STEEL FIBERS REINFORCED WITH BFRP BARS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(6): 167-174. doi: 10.13204/j.gyjz202006027

Citation:

HAN Fei, KONG Xiangqing, XING Lili, HE Wenchang, WANG Xuezhi. EXPERIMENTAL RESEARCH ON FLEXURAL CAPACITY OF RECYCLED AGGREGATE CONCRETE BEAMS MIXED WITH STEEL FIBERS REINFORCED WITH BFRP BARS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(6): 167-174. doi: 10.13204/j.gyjz202006027

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EXPERIMENTAL RESEARCH ON FLEXURAL CAPACITY OF RECYCLED AGGREGATE CONCRETE BEAMS MIXED WITH STEEL FIBERS REINFORCED WITH BFRP BARS

doi: 10.13204/j.gyjz202006027

Department of Civil & Architectural Engineering, Liaoning University of Technology, Jinzhou 121001, China

Received Date: 2019-02-07
Publish Date: 2020-08-20

Abstract

Abstract

In order to investigated the influence of volume content of steel fibers and longitudinal reinforcement ratio on the bending behaviour of recycled aggregate concrete beams mixed with steel Fibers reinforced with BFRP bars, the bending performance tests of seven beams were carried out. The results showed that the volume content of steel fibers and reinforcement rate both had a certain influence on the flexural capacity of recycled aggregate concrete beams mixed with steel fibers reinfored with BFRP bars. Compared with the recycled aggregate concrete beams reinforced with BFRP bars without steel fibers, the initial crack load and ultimate load of the test beams with 1.0% steel fibers volume content were increased by 32.8% and 18.2% respectively. With the increase of the contents of BFRP bars, the flexural capacity of recycled aggregate concrete beams reinforced with BFRP bars increased significantly. In addition, based on the experiments, the paper also combined with the relevant current norms and theories to verify the flexural capacity, deflection and crack width of the recycled aggregate concrete beams reinforced with BFRP bars, and compared the experimental values with the theoretical calculation results.
- BFRP bar,
- steel fiber,
- recycled aggregate concrete beam,
- flexural capacity,
- theoretical calculation

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References(31)

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