Modulus of Elasticity and Drying Shrinkage of High-Strength Concrete Containing Silica Fume

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Title: Modulus of Elasticity and Drying Shrinkage of High-Strength Concrete Containing Silica Fume

Author(s): C. Alfes

Publication: Special Publication

Volume: 132

Issue:

Appears on pages(s): 1651-1671

Keywords: aggregates; compressive strength; density (mass/volume); drying shrinkage; high strength concretes; modulus of elasticity; silica fume

Date: 5/1/1992

Abstract:
In High-Strength Concrete in general high-quality aggregate is used. This aggregate has a high compressive strength and often a high modulus of elasticity. This high modulus of elasticity of the aggregate strongly influences the deformation behaviour of high-strength concrete. Results show that there is a direct and linear relationship between the shrinkage value and the modulus of elasticity of the concrete. The highest modulus of elasticity of concrete was 85 GPa. The compressive strength at the age of 28 days was in the range from 102 to 182 MPa. A design aid is given to show the interrelation between modulus of elasticity and shrinkage strain of the concrete on one side and modulus of elasticity of the aggregate, modulus of elasticity of the matrix and matrix content on the other side.