EXPERIMENTAL RESEARCH ON THE EFFECTS OF SURFACE REINFORCEMENT ON CRACK SPACING AND WIDTH OF REINFORCED CONCRETE BEAMS

Zhao Yong; Wang Xiaofeng; Su Xiaozu; Cheng Zhijun

doi:10.13204/j.gyjz200911008

Volume 39 Issue 11

Dec. 2014

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Abstract

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Citation:

Zhao Yong, Wang Xiaofeng, Su Xiaozu, Cheng Zhijun. EXPERIMENTAL RESEARCH ON THE EFFECTS OF SURFACE REINFORCEMENT ON CRACK SPACING AND WIDTH OF REINFORCED CONCRETE BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(11): 29-32. doi: 10.13204/j.gyjz200911008

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EXPERIMENTAL RESEARCH ON THE EFFECTS OF SURFACE REINFORCEMENT ON CRACK SPACING AND WIDTH OF REINFORCED CONCRETE BEAMS

doi: 10.13204/j.gyjz200911008

1.
1. Tongji University,Shanghai 200092,China;
2.
2. China Academy of Building Research,Beijing 100013,China

Received Date: 2009-07-20
Publish Date: 2009-11-20

Abstract

Abstract

Six reinforced concrete beams with surface reinforcement and HRBF500 longitudinal reinforcement were tested to investigate their cracking characteristics,and the effects of surface reinforcement on crack spacing and crack width were analyzed.The test results show that the surface reinforcement can reduce crack width effectively,such as the short-time maximum crack width can be reduced by 35% to 65%.Referring the relative provisions in European code EN 1992-1-1:2004,the recommendations on detailing design of surface reinforcements and the reducing ratio of crack width are proposed.
- reinforced concrete beams,
- HRBF500 reinforcement,
- surface reinforcement,
- crack spacing,
- crack width

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References(2)

References

[2] 李志华,苏小卒,赵勇,等.配置表层钢筋的混凝土梁裂缝和刚度试验探讨研究[J].建筑结构学报,2009(1).

同济大学课题组.配置500 MPa钢筋的混凝土梁受弯性能试验研究报告[R].上海:同济大学,2007.

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