THE EXPERIMENTAL RESEARCH ON CRACK WIDTH ON HRB400 STEEL BARS REINFORCED CONCRETE BENDING BEAMS

Xiao Hongju; Han Juhong; Zhang Leishun; Bi Suping

doi:10.13204/j.gyjz200708014

Volume 37 Issue 8

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2007 > 37(8): 51-54

Xiao Hongju, Han Juhong, Zhang Leishun, Bi Suping. THE EXPERIMENTAL RESEARCH ON CRACK WIDTH ON HRB400 STEEL BARS REINFORCED CONCRETE BENDING BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(8): 51-54. doi: 10.13204/j.gyjz200708014

Citation:

Xiao Hongju, Han Juhong, Zhang Leishun, Bi Suping. THE EXPERIMENTAL RESEARCH ON CRACK WIDTH ON HRB400 STEEL BARS REINFORCED CONCRETE BENDING BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(8): 51-54. doi: 10.13204/j.gyjz200708014

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THE EXPERIMENTAL RESEARCH ON CRACK WIDTH ON HRB400 STEEL BARS REINFORCED CONCRETE BENDING BEAMS

doi: 10.13204/j.gyjz200708014

1.
1. College of Environment and Hydraulic Engineering,Zhengzhou University Zhengzhou 450002;
2.
2. College of Civil Engineering,Zhengzhou Univesity Zhengzhou 450002

Received Date: 2006-03-16
Publish Date: 2007-08-20

Abstract

Abstract

Based on the experimental research on 7 simple beams reinforced with HRB400 steel bars and 2 beams reinforced with HRB335 steel bars,the development of crack of the testing members is observed and crack width is written down in different loads and the testing results are discussed and analyzed.The results show that the crack with of HRB400 steel bars reinforced concrete beams is bigger than that of HRB335 steel bars reinforced concrete beams with the same bearing capacity. A formula according to the testing results of crack wideth under the state of service ability is deduced.The testing results of crack width are compared with the calculation results of crack width using the code formula and the deduced formula,the results show the calculation results of crack width using the deduced formula is safe.
- HRB400 steel bar,
- concrete beam,
- crack spacing,
- crack width,
- state of service ability

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References(6)

References

.姚仲贤. 当前混凝土结构中主打钢筋--HRB400级钢筋[J].建筑技术,2004,(11):860-861.doi: 10.3969/j.issn.1000-4726.2004.11.027.

.刘善利. HRB400级钢筋的性能及应用[J].内蒙古煤炭经济,2003,(12):89-90.

.GB 50010-2002.混凝土结构设计规范[S].

.GB 50152-1990.混凝土结构试验方法[S].

.GB 50009-2001.建筑结构荷载规范[S].

.丁大钧. 裂缝计算[M].北京:中国建筑工业出版社,2000.193-198.

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