1971•Journal: MaterialsRequires access

PREDICTIONS OF THE EFFECT OF FLY ASH IN PORTLAND CEMENT MORTAR AND CONCRETE

L. John Minnick, W C Webster, E J Purdy

Abstract

THE RELATIONSHIPS BETWEEN INDIVIDUAL FLY ASH VARIABLES AND THE PERFORMANCE OF MORTARS AND CONCRETE CONTAINING FLY ASH ARE DEVELOPED USING PUBLISHED DATA FROM WIDELY DIVERGENT SOURCES (INCLUDING THE RESULTS OF TWO ASTM INTERLABORATORY PROGRAMS). THE COMPRESSIVE STRENGTH, DRYING SHRINKAGE, AND DURABILITY OF THE CONCRETE ARE RELATED TO THE CHANGE IN WATER REQUIREMENT BROUGHT ABOUT BY THE USE OF THE FLY ASH, AND THE CHANGE IN WATER REQUIREMENT IS SHOWN TO BE A FUNCTION OF SPECIFIC FLY ASH VARIABLES. /AUTHOR/

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Key concepts: Fly ash, Portland cement, Durability, Shrinkage, Mortar, Compressive strength, Roller-compacted concrete, Water–cement ratio