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The determinations of modulus of elasticity and flexural and splitting tensile strengths often involve complicated testing procedures compared to compressive strength testing. These properties can be estimated using existing relationships between them and compressive strength values. However, most of the existing correlations have been derived for mixtures with compressive strengths less than 80 MPa and may not be applicable to mixtures of greater strengths. This paper compares compressive strength, splitting tensile strength, flexural strength, and modulus of elasticity values to similar results predicted by national codes and alternatives suggested by various researchers. Commercially available and laboratory-prepared concrete mixtures with 28-d compressive strengths of 45 to 110 MPa were tested.
Principal, John A. Bickley Associates Ltd., Toronto, Ontario
Associate professor, Université de Sherbrooke, Quebec
Professor, University of Toronto, Toronto, Ontario
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