EXPERIMENTAL INVESTIGATION OF TENSILE BEHAVIOR OF HIGH PERFORMANCE CONCRETE AT EARLY AGES

Jiang Chenhui; Shen Wanyue; Jiang Libin

doi:10.13204/j.gyjz201007019

Volume 40 Issue 7

Dec. 2014

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Jiang Chenhui, Shen Wanyue, Jiang Libin. EXPERIMENTAL INVESTIGATION OF TENSILE BEHAVIOR OF HIGH PERFORMANCE CONCRETE AT EARLY AGES[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(7): 71-74,126. doi: 10.13204/j.gyjz201007019

Citation:

Jiang Chenhui, Shen Wanyue, Jiang Libin. EXPERIMENTAL INVESTIGATION OF TENSILE BEHAVIOR OF HIGH PERFORMANCE CONCRETE AT EARLY AGES[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(7): 71-74,126. doi: 10.13204/j.gyjz201007019

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EXPERIMENTAL INVESTIGATION OF TENSILE BEHAVIOR OF HIGH PERFORMANCE CONCRETE AT EARLY AGES

doi: 10.13204/j.gyjz201007019

1.
Department of Construction Engineering of Zhejiang College of Construction,Hangzhou 311231,China

Received Date: 2009-10-15
Publish Date: 2010-07-20

Abstract

Abstract

Direct tensile behaviors of HPC with 3 different mix proportions at the age of 3 d were investigated with self-designed testing rig in this paper. The results of the present study can be drawn as follows: a) testing rig developed in this study effectively evaluated direct tensile behaviors of hardening HPC; b) ultimate tensile strain of HPC was very high in the period of hardening, which rapidly decreased with age and minimum value was reached later (about 12 hours) ; c) tensile strength and tensile modulus of elasticity of HPC rapidly developed within 1 d.
- high performance concrete (HPC),
- early age,
- ultimate tensile strain,
- tensile creep,
- tensile strength,
- tensile elastic modulus

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References

Hammer T A， Fossa K T， yvind Bjntegaard. Cracking Tendency of HSC: Tensile Strength ＆ Self Generated Stress in the Period of Setting ＆ Early Hardening[J]. Materials and Structures，2007，40(3) : 319-324.

[2] Ei-ichi Tazawa. Autogenous Shrinkage of Concrete [C]/ / Japan Concrete Institute. Proceedings of the international workshop.Hiroshima: Hiroshima University，1998: 22-25.

[3] 叶德艳，杨杨，洪钟，等. 高性能混凝土早期拉伸经变的实验研究[J]. 浙江工业大学学报，2008，36(3) :54-60.

[4] Lennart stergaard，David A Lange，Salah A Altoubat，et al.Tensile Basic Creep of Early-age Concrete under Constant Load [J]. Cement and Concrete Research，2001 (31) : 1895-1899.

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