Long Term Tests on the Effect of Moderate Heating on the Compressive Strength and Dynamic Modulus of Elasticity of Concrete

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Title: Long Term Tests on the Effect of Moderate Heating on the Compressive Strength and Dynamic Modulus of Elasticity of Concrete

Author(s): A.P. Mears

Publication: Special Publication

Volume: 34

Issue:

Appears on pages(s): 355-376

Keywords: age; aggregates; cement pastes; compressive strength; concrete durability; concretes; curing; dynamic modulus of elasticity; flint; heating; high temperature; hydration; limestone; long-time study; modulus of elastictiy; portland cements; pressure vessels

Date: 1/1/1972

Abstract:
As concrete pressure vessels are intended to have a working life of 30 years or more it is of prime importance to know the effect of operating temperatures on the properties of concrete at all ages. . .The results so far obtained indicate that, in general, a decrease in strength and modulus of elasticity occurs on the first heating and for practical purposes subsequent heating to the same temperature does not cause further losses.