Study of Strength Criterion for Dynamic Compression of Concrete under Biaxial Equal Proportion Loading

Guan  Ping; Peng Liu; Tao Xu

doi:10.4028/www.scientific.net/AMR.163-167.1819

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 163-167Study of Strength Criterion for Dynamic...

Study of Strength Criterion for Dynamic Compression of Concrete under Biaxial Equal Proportion Loading

Abstract:

The dynamic compressive experiments of cubic concrete specimens under various biaxial equal proportion loading were preformed. The biaxial equal proportion stress in the tests were kept constant at 1:0, 1:0.5 and 1:1, respectively, and the tested strain rate ranged from 10−5/s to 10−2/s. Based on the experimental results, the influence of the strain rates on compressive characteristics of concrete under various biaxial stress ratios were researched. The unified strength criterion in terms of principal stress space considering the influence of strain rates and biaxial stress ratio is proposed. The fitting curves by the present strength criterion agree well with experimental data.

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Periodical:

Advanced Materials Research (Volumes 163-167)

Pages:

1819-1822

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.163-167.1819

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Online since:

December 2010

Authors:

Guan Ping, Peng Liu, Tao Xu

Keywords:

Biaxial Equal Proportion Loading, Concrete, Strain Rate, Strength Criterion

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