EXPERIMENTAL STUDY ON FLEXURAL BEHAVIOR OF HYBRID FIBER REINFORCED SELF-COMPACTING CONCRETE BEAMS

You Zhiguo; Qin Shuang; Ding Yining

doi:10.13204/j.gyjz201005018

Volume 40 Issue 5

Dec. 2014

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Xu Qingyang, Li Aiqun, Ding Youliang, Shen Shungao, Hu Canyang. STUDY ON VERTICAL SEISMIC RESPONSE PASSIVE CONTROL OF LONG-SPAN MAINTENANCE HANGAR[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(11): 110-116. doi: 10.13204/j.gyjz201311025

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You Zhiguo, Qin Shuang, Ding Yining. EXPERIMENTAL STUDY ON FLEXURAL BEHAVIOR OF HYBRID FIBER REINFORCED SELF-COMPACTING CONCRETE BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(5): 87-91. doi: 10.13204/j.gyjz201005018

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EXPERIMENTAL STUDY ON FLEXURAL BEHAVIOR OF HYBRID FIBER REINFORCED SELF-COMPACTING CONCRETE BEAMS

doi: 10.13204/j.gyjz201005018

1.
1. Dalian University of Technology,Dalian 116024,China;
2.
2. China Jingye Engineering Corporation Limited,Beijing 100088,China

Received Date: 2009-09-18
Publish Date: 2010-05-20

Abstract

Abstract

Based on the workability test of fiber reinforced self-compacting concrete， this paper presents theexperimental study on flexural behavior of seven sets of hybrid fiber reinforced self-compacting concrete beams withoutreinforcement and five sets of hybrid fiber reinforced self-compacting concrete beams with low reinforcement ratios.The influence of fiber aspect ratio and fiber type on crack load，yield load，ultimate load and flexural toughness are analyzed. The results indicate that the flexural toughness increases with increasing of fiber aspect ratio. The flexural toughness of hybrid fiber reinforced self-compacting concrete beams is better than that of steel fiber，which indicates positive hybrid effect. Compared to RC beam with a minimum longitudinal reinforcement，the yield load and ultimate load of fiber reinforced RC beams are greatly improved. The ultimate load of 40 + 4kg /m3 hybrid fiber reinforced RC beam with a minimum longitudinal reinforcement is similar to that of RC beam with 1.5 times of a minimum longitudinal reinforcement.
- hybrid fiber,
- aspect ratio,
- yield load,
- ultimate load,
- flexural toughness

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References(11)

References

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