Selected Properties of High-Volume Fly Ash Concretes


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Title: Selected Properties of High-Volume Fly Ash Concretes

Author(s): V. Sivasundaram, G. G. Carette and V. M. Malhotra

Publication: Concrete International

Volume: 12

Issue: 10

Appears on pages(s): 47-50

Keywords: chlorides; compressive strength; creep properties; fineness; fly ash; plasticizers; setting (hardening); concretes; water-cementitious ratio; Materials Research

Date: 10/1/1990

Summarizes an investigation of seven low-calcium (ASTM Class F) fly ashes in high-volume (58 percent of the total cementitious material content) fly ash concrete. Large dosages of a superplasticizer were used to obtain the required workability. Concrete specimens were tested for compressive strength, modulus of elasticity, creep strain, and resistance to chloride-ion diffusion at various ages up to one year. Most of the fly ashes investigated indicated a potential for use in high-volume fly ash concrete.