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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Methods of Addition of Blast Furnace Slag: Their Effect on the Compressive Strength of Mortars and Concretes
Author(s): A. Longo and R. J. Torrent
Publication: Special Publication
Appears on pages(s): 1381-1400
Keywords: blast furnace slag; blending; compressive strength;
concretes; grinding (comminution); mortars (material); statistical
Abstract:The aim of the paper is to determine to what degree the strength of mortar and concrete is affected by the way in which blast furnace granulated slag is added. The influence of the fo the compressive strength of imentally: 1) Intergrinding of (cl 2) Separate grinding of ed by dry mixing bef 3) Separate grinding of lowing methods of adding the slag on mortar and concrete was studied exper-nker + gypsum) and slag. clinker + gypsum) and of slag, follow-re batching. (clinker + gypsum) and of slag and separate batching into the mixer. The variables considered for this study were: slag/(slag + clinker) ratio in the cementitious material (0, 0.342, 0.50 and 0.658), age of test (3, 7, 28, 90, 180 and 360 days) and fineness of cementitious material (330, 360 and 400 m2/kg). Rilem -Cemburepu mortar prismsand cylinders of concrete having 19 mm maximun size of aggregate were tested for strength. The results were analysed statistically, and it was found that the differences observed between the various methods were generally non-significant.
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