APPLICABILITY ANALYSIS OF BOND-SLIP CONSTITUTIVE RELATIONSHIP IN THE NEW CODE FOR DESIGN OF CONCRETE STRUCTURES

Xu Gang; Wang Yimin; Wang Qing; Su Yibiao

doi:10.13204/j.gyjz201305024

Volume 43 Issue 5

Dec. 2014

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Xu Gang, Wang Yimin, Wang Qing, Su Yibiao. APPLICABILITY ANALYSIS OF BOND-SLIP CONSTITUTIVE RELATIONSHIP IN THE NEW CODE FOR DESIGN OF CONCRETE STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 115-117,156. doi: 10.13204/j.gyjz201305024

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APPLICABILITY ANALYSIS OF BOND-SLIP CONSTITUTIVE RELATIONSHIP IN THE NEW CODE FOR DESIGN OF CONCRETE STRUCTURES

doi: 10.13204/j.gyjz201305024

1.
College of Civil Engineering &Architecture,China Three Gorges University,Yichang 443002,China

Received Date: 2012-05-08
Publish Date: 2013-05-20

Abstract

Abstract

Newly issued Concrete Structural Design Code(GB 500102010) proposes a bond-slip constitutive relation between steel bars and concrete.In order to fully explore its applicability, two types of numerical models considering and not considering the bond-slip relationship were established by the software DIANA.Based on which, the cracking loads, the load-deflection curves, the crack distribution patterns of the beams were compared and analyzed between simulation and experimental results.It is shown that the analysis results with the bond-slip constitutive relation are better than that not considering the bond-slip relationship.The bond-slip constitutive relation proposed by the new code can better reflect the coordinated working performance between concrete and steel, and can help improve the accuracy of numerical analysis.
- reinforced concrete structure,
- bond-slip,
- simulation analysis,
- constitutive relation,
- DIANA

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References(9)

References

GB 500102002混凝土结构设计规范[S].

[2] GB 500102010混凝土结构设计规范[S].

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[4] 徐港.锈蚀钢筋混凝土黏结锚固性能研究[D].武汉:华中科技大学,2007.

[5] Hordijk D A. Local Approach to Fatigue of Concrete [D]. Netherlands: Delft University of Technology,1991.

[6] Thorenfeldt E,Thomaszewicz A,Jensen J J. Mechanical?Properties of High Strength Concrete and Application in Design?[ C]// Proceeding Symposium of Utilization of High Strength?Concrete.1987:149-159.

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[8] CEB-FIP Model Code 1990[S]. London: Thomas Telford,1993.

[9] 张楚汉,金峰.岩石和混凝土离散-接触-断裂分析[M].北京:清华大学出版社,2008:292-307.

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