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Effects of temperature and strain rate on dynamic properties of concrete

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Abstract

To study the dynamic properties of the concrete subjected to impulsive loading, stress-time curves of concrete in different velocities were measured using split Hopkinson pressure bar (SHPB). Effects of temperature and strain rate on the dynamic yield strength and constitutive relation of the concrete were analyzed. The dynamic mechanical properties of the reinforced concrete are subjected to high strain rates when it is at a relatively low temperature. But with temperature increasing, the temperature softening effect makes the strength of the concrete weaken and the impact toughness of the concrete is saliently relative to strain rate effect. So, strain rate effect, strain hardening and temperature softening work together on the dynamic mechanical capability of concrete and the relation between them is relatively complex.

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Authors and Affiliations

  1. School of Civil Engineering, Chongqing University, Chongqing, 400044, China

    Bin Jia  (贾彬) & Zhengliang Li  (李正良)

  2. School of Civil Engineering and Architecture, Southwest University of Science and Technology, Mianyang, 621010, China

    Bin Jia  (贾彬), Junlin Tao  (陶俊林), Ruheng Wang  (王汝恒) & Yu Zhang  (张誉)

Authors
  1. Bin Jia  (贾彬)
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  2. Junlin Tao  (陶俊林)
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  3. Zhengliang Li  (李正良)
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  4. Ruheng Wang  (王汝恒)
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  5. Yu Zhang  (张誉)
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Corresponding author

Correspondence to Bin Jia  (贾彬).

Additional information

Supported by National Natural Science Foundation of China(No.10602048).

JIA Bin, born in 1979, male, Dr, lecturer.

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Jia, B., Tao, J., Li, Z. et al. Effects of temperature and strain rate on dynamic properties of concrete. Trans. Tianjin Univ. 14 (Suppl 1), 511–513 (2008). https://doi.org/10.1007/s12209-008-0087-6

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  • DOI: https://doi.org/10.1007/s12209-008-0087-6

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