Heat Resistant Portland Cement Concrete to Withstand Combined High Temperatures and Structural Loads

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Title: Heat Resistant Portland Cement Concrete to Withstand Combined High Temperatures and Structural Loads

Author(s): Joesph N. David

Publication: Journal Proceedings

Volume: 69

Issue: 2

Appears on pages(s): 118-124

Keywords: bricks;clays;corse aggregates;compressive strength;concrtes;density (mass/ volume);dynamic modulus of elasticity;expanded shale aggregate;fireclays;high temperature;lightweight aggregate concretes;pre-placed aggregate concrete; research;tensile strength.

Date: 2/1/1972

Abstract:
Observations from tests show that reductions in strength, and changes in physical properties, that occur in portland cement concrete as a result of cyclic heat to 600 F (316 C), can be accurately evaluated and accomodated into a fesible design for a concrete structure. The preliminary test results, developed for the concrete used in the support for a reactor vessel, show the significance in the cement factor for achieving the least amount of deterioration due to high temperature cycling, with special reference to heat resistant corse aggregate mixes.