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Experimental Study on Shear Behavior of Concrete Beams Reinforced with Local Steel Fiber and BFRP Bars
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Ya-kun ZHANG, Dong-feng ZHANG, Li-li HOU
Water Resources and Power | 2023, 41(8) : 151 - 155
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Water Resources and Power | 2023, 41(8): 151-155
WATER CONSERVANCY AND HYDROPOWER ENGINEERING
Experimental Study on Shear Behavior of Concrete Beams Reinforced with Local Steel Fiber and BFRP Bars
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Ya-kun ZHANG, Dong-feng ZHANG, Li-li HOU
Affiliations
  • Yellow River Conservancy Technical Institute, Kaifeng 475004, China
Published: 2023-08-25 doi: 10.20040/j.cnki.1000-7709.2023.20222564
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In order to study the shear resistance of the inclined section of steel fiber reinforced concrete beams with BFRP bars, this paper takes the steel fiber reinforced concrete beams with BFRP bars as the research object, and carries out the shear capacity tests of 9 steel fiber reinforced concrete beams with BFRP bars. The effects of failure mode, shear span ratio, BFRP reinforcement ratio, steel fiber volume fraction, and steel fiber range on the shear resistance of steel fiber reinforced concrete beams with BFRP bars are analyzed. The results show that the failure mode of steel fiber reinforced concrete beams reinforced with BFRP is mainly shear failure; The shear capacity of the inclined section decreases with the increase of shear span ratio, and increases with the increase of fiber content and BFRP reinforcement ratio; Setting steel fiber within the shear span of the support can better improve the shear resistance of the inclined section of the concrete beam with BFRP reinforcement. Finally, the formula for calculating the shear capacity of steel fiber reinforced concrete beams with BFRP bars is obtained by fitting test data, and the calculated results of the formula are consistent with the experimental results. The research enriches the design theory of inclined section of FRP reinforced concrete composite structure, and has reference value for the application of FRP reinforced steel fiber concrete composite structure in practical projects.

BFRP bars  /  steel fiber concrete  /  beam  /  shear span to effective depth ratio  /  reinforcement ratio  /  fiber volume content  /  shear capacity
Ya-kun ZHANG, Dong-feng ZHANG, Li-li HOU. Experimental Study on Shear Behavior of Concrete Beams Reinforced with Local Steel Fiber and BFRP Bars[J]. Water Resources and Power, 2023 , 41 (8) : 151 -155 . DOI: 10.20040/j.cnki.1000-7709.2023.20222564
Year 2023 volume 41 Issue 8
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doi: 10.20040/j.cnki.1000-7709.2023.20222564
  • Receive Date:2022-12-08
  • Online Date:2026-01-28
  • Published:2023-08-25
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  • Received:2022-12-08
  • Revised:2023-03-13
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    Yellow River Conservancy Technical Institute, Kaifeng 475004, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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