Comparison of Results of Three Methods for Determining Young’s Modulus of Elasticity of Concrete

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Title: Comparison of Results of Three Methods for Determining Young’s Modulus of Elasticity of Concrete

Author(s): R. E. Philleo

Publication: Journal Proceedings

Volume: 51

Issue: 1

Appears on pages(s): 461-470

Keywords: no keywords

Date: 1/1/1955

Abstract:
The elastic response of concrete to static, resonance, and pulse velocity tests is discussed. Because of the wide variations in static testing techniques and the heterogeneity of concrete, the results of Young’s modulus calculated from the three methods do not necessarily agree. The pulse velocity method has advantages over the other two in that testing is not confined to regularly-shaped laboratory specimens, and results are free from inelastic effects. The method, however, has severe limitations: it is so affected by the heterogeneity of concrete that calculations of Young’s modulus are discouraged, and it is not sensitive to small changes in the paste component of concrete.