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Title: Hot-Dry Climate Effect on Stress Development in Shrinkage-Compensating Concrete

Author(s): R. Shalon, D. Ravina, and C. H. Jaegermann

Publication: Journal Proceedings

Volume: 74

Issue: 3

Appears on pages(s): 109-113

Keywords: cracking (fracturing); curing;drying;shrinkage;evaporation;expending agents; fresh concretes;hardened concretes;hot weather construction; plastic shrink-age;shrinkage;shrinkaqe-compensatinq cements;compensating shrinkage-concretes;stresses.

DOI: 10.14359/10992

Date: 3/1/1977

Th e paper reports length/stress measurements taken on fresh and hardened shrinkaqe-compensating concretes, cast in hot-dry environment, and exposed to early evaporation in a wind tunnel. The results obtained warrant the following deductions: The tendency of shrinkage-compensating concrete to plastic shrinkage cracking is higher than that of parallel portland cement concrete. The initial compressive stress is greatly reduced by early evaporation. The duration of exposure has a strong influence on the actual ability of shrinkaqe-compensating concrete to compensate drying shrinkage stresses. It foil ows that in hot-dry climate, curing capable of preventing evaporation should be applied immediately after casting.


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