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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: Durability of Ternary Blended Cements Containing Limestone Filler and GBFS
Author(s): E.F. Irassar, V.L. Bonavetti, G. Menendez, H. Donza, and M.F. Carrasco
Publication: Special Publication
Appears on pages(s): 327-346
Keywords: blast-furnace slag; chloride penetration; compressive strength; drying shrinkage; flexural strength; hydration; limestone filler; sorptivity; sulfate performace; water absorption
Abstract:In this laboratory investigation, the effects of limestone fillerand granulated blast-furnaceslag (GBFS) additions on the mechanical and durable characteristicsof concrete areanalyzed.The evolution of compressive and flexural strength were determined and,waterabsorptionand sorptivity were used to characterize the permeability of concrete. The chloride penetration under continuous soaking was evaluated using the pounding tests and thesulfate resistance of cement was determined using ASTM C1012 test. The results show that, the complementary behavior of limestone filler and GBFS additions permits to obtainconcrete with strength development similar to portland cement with 35 % less clinker, andthe incorporation of GBFS into the mixtures prevents and improves the inadequateperformance of limestone filler cement in chloride and sulfate environments. Consequently,concretes made with ternary cement offer economic and ecological benefits, with similarstrength evolution and similar or better durable properties compared with binary and plainconcretes. However, to assure the reduction of permeability of concrete an adequate curedtime should be proportionate to assure the hydration progress.
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