EXPERIMENTAL STUDY ON BOND-ANCHORAGE PROPERTIES OF HRB HIGH-STRENGTH STEEL BARS IN CONCRETE AFTER HIGH TEMPERATURE

Niu Xiangyang; Wang Quanfeng; Xu Yuye; Yang Yongxin; Luo Yi; Hu Ling

doi:10.13204/j.gyjz201009022

Volume 40 Issue 9

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(9): 84-87

Wang Tianwen, Li Meng Wang Ximing, Cao Lu, . EXPERIMENTAL STUDY ON SHEAR BEHAVIORS OF REINFORCED CONCRETE BEAMS STRENGTHENED WITH PRE-STRESSED INCLINED STIRRUPS[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(11): 65-69. doi: 10.13204/j.gyjz201011017

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Niu Xiangyang, Wang Quanfeng, Xu Yuye, Yang Yongxin, Luo Yi, Hu Ling. EXPERIMENTAL STUDY ON BOND-ANCHORAGE PROPERTIES OF HRB HIGH-STRENGTH STEEL BARS IN CONCRETE AFTER HIGH TEMPERATURE[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(9): 84-87. doi: 10.13204/j.gyjz201009022

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EXPERIMENTAL STUDY ON BOND-ANCHORAGE PROPERTIES OF HRB HIGH-STRENGTH STEEL BARS IN CONCRETE AFTER HIGH TEMPERATURE

doi: 10.13204/j.gyjz201009022

1.
1. College of Civil Engineering,Huaqiao University,Quanzhou 362021,China;
2.
2. MCC Central Research Institute of Building and Construction Co.Ltd,Beijing 100088,China

Received Date: 2010-01-25
Publish Date: 2010-09-20

Abstract

Abstract

Based on 45 HRB high-strength steel bar specimens pull-out tests after high temperature,it is studied that the bond-anchorage properties of high-strength steel bars and the main factors influencing the bond capacity between high-strength steel bars and concrete. During the experiments,the reinforced concrete specimens were heated at 200, 400 and 600 ℃,respectively,cooled in air and subjected to monotonic pull-out loading. The influencing regulations of some factors on the bond-anchorage properties of high-strength steel bars are investigated,such as concrete strength,yield strength of reinforcing bar,stirrup ratio. At the same time,the paper clarifies that the major bondanchorage mechanism of high-strength steel bars after high temperature is similar to that of the general reinforcement.
- high temperature,
- HRB high-strength steel bar,
- bond-anchorage,
- bond strength

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References(8)

References

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