More than 1,000 experimental data on unit weight and mechanical properties of high strength concrete, i.e. tensile splitting strength, modulus of rupture, strain at peak strength and Poisson's ratio, were collected and investigated statistically. The type of coarse aggregates was considered as an important factor which had a large effect on the mechanical properties and the unit weight. As a result, practical and universal formulas for predicting tensile splitting strength, modulus of rupture and strain at peak strength from compressive strength were proposed, which was applied to concrete with a wide range of compressive strength. Appropriate values of Poisson's ratio and unit weight were also proposed depending on the level of compressive strength of concrete.
