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Effects of Duration of Moist Curing on Concrete Made with Blended Cements Or Pozzolans

Author : William O. Tynes
Publisher :
Page : 11 pages
File Size : 46,47 MB
Release : 1972
Category : Aggregates (Building materials)
ISBN :

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Seven air-entrained concrete mixtures containing 6-in. maximum size limestone aggregate were tested to determine if the 21-day moist-curing requirements for concrete containing type IV portland cement, a pozzolan, natural cement, or slag cement could be reduced to 14 days as required for type II portland cement and portland blast-furnace slag cement (type IS) concrete. One of the seven mixtures was a reference mixture containing type II portland cement as the only cementitious material, while the other six mixtures were proportioned as follows: two mixtures with fly ash pozzolan and type II portland cement; one mixture with calcined shale pozzolan and type II portland cement; one mixture with natural cement and type II portland cement; one mixture with a different type II cement; and one mixture using portland blast-furnace slag cement. Specimens made from each mixture were cured under six different curing conditions, and tested for compressive strength, abrasion resistance, and permeability. (Author).

Effects of Duration of Moist Curing on Concrete Made with Blended Cements Or Pozzolans

Author : William O. Tynes
Publisher :
Page : 27 pages
File Size : 45,93 MB
Release : 1972
Category : Aggregates (Building materials)
ISBN :

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Seven air-entrained concrete mixtures containing 6-in. maximum size limestone aggregate were tested to determine if the 21-day moist-curing requirements for concrete containing type IV portland cement, a pozzolan, natural cement, or slag cement could be reduced to 14 days as required for type II portland cement and portland blast-furnace slag cement (type IS) concrete. One of the seven mixtures was a reference mixture containing type II portland cement as the only cementitious material, while the other six mixtures were proportioned as follows: two mixtures with fly ash pozzolan and type II portland cement; one mixture with calcined shale pozzolan and type II portland cement; one mixture with natural cement and type II portland cement; one mixture with a different type II cement; and one mixture using portland blast-furnace slag cement. Specimens made from each mixture were cured under six different curing conditions, and tested for compressive strength, abrasion resistance, and permeability. (Author).

Technical Memodrandum

Author : Waterways Experiment Station (U.S.)
Publisher :
Page : 506 pages
File Size : 32,14 MB
Release : 1969
Category :
ISBN :

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