Rate Correlation Research Situation of Ordinary Concrete about Strain-Rate within the Scope of the Earthquake

Abstract:

Combined with the research of dynamic mechanical properties of concrete under earthquake action by lots of scholars home and abroad, research status of rate-dependent test within the scope of the Earthquake strain rate (10^-4/s~10^-1/s) on common concrete materials is reviewed, including the dynamic uniaxial compressive properties, dynamic uniaxial tensile properties, as well as multi-axis dynamic performance. The influence of the Earthquake strain rate on concrete strength, energy absorption capability and deformation capacity such as the elastic modulus, Poisson's ratio, peak strain, and ultimate strain are discussed intensively. Results show that the tensile strength, compressive strength and energy absorption capability of concrete increase with the increase of strain rate, while the results of the various parameters of the deformation ability are not consistent, the reason is that different test results caused by different test conditions. In this paper, the reference for the further study on rate-dependent of concrete in the future is provided.

• Periodical: Applied Mechanics and Materials (Volume 858)
• Pages: 151-156
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.858.151
• Online since: November 2016
• Authors: Hong Yu Zhou, Cong Kun Yang, Jun Chang Ci, Yi Bo Chen*
• Keywords: Concrete, Dynamic Mechanical Properties, Earthquake Strain Rate, Rate Dependence

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