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Slag in Concrete

Definition: granulated blast-furnace slag that has been finely ground and that is hydraulic cement.- ACI Concrete Terminology


The use of slag in concrete has several benefits, including reduced energy, reduced greenhouse gas emissions, and reduced use of raw materials. Various types of slag are produced: - Blast-furnace slag—The nonmetallic product, consisting essentially of silicates and aluminosilicates of calcium and of other bases, that is developed in a molten condition simultaneously with iron in a blast furnace. - Air-cooled blast-furnace slag—The material resulting from solidification of molten blast-furnace slag under atmospheric conditions; subsequent cooling may be accelerated by application of water to the solidified surface. - Expanded blast-furnace slag—The lightweight, cellular material obtained by controlled processing of molten blast-furnace slag with water or water and other agents such as steam, compressed air, or both. - Granulated blast-furnace slag (GBFS)—The glassy granular material formed when molten blast-furnace slag is rapidly chilled, as by immersion in water. - Ground-granulated blast-furnace slag (GGBFS)—Now known as cement, slag—granulated blast-furnace slag that has been finely ground and that is a hydraulic cement.

Practice oriented papers and articles ON SLAG IN CONCRETE

The Essence of Carbon Neutrality in Concrete- Related Technologies

Publication: Concrete International
Date: 11/1/2023

2022 Slag Cement in Sustainable Concrete Awards

Publication: Concrete International
Date: 5/1/2023

First Annual Slag Cement School

Publication: Concrete International
Date: 9/1/2022

The Eglinton LRT: How to Make a Big Impact with a Smaller Carbon Footprint

Publication: Concrete International
Date: 8/1/2022

Production of Lightweight Aggregates by Means of Cold-Bonding Granulation Process of Municipal Solid Waste Incinerator (MSWI) Fly Ash

Publication: Special Publication
Date: 7/1/2022

A Review of Current Superplasticizers Highlighting their Specific Properties and Advantages

Publication: Special Publication
Date: 7/1/2022

2021 Slag Cement in Sustainable Concrete Awards

Publication: Concrete International
Date: 7/1/2022

Low-Carbon Durable Concrete for the New Genoa’s San Giorgio Bridge

Publication: Special Publication
Date: 7/1/2022

Fresh Properties of Alkali-Activated Slag Pastes with Sodium and Potassium Hydroxide

Publication: Special Publication
Date: 7/1/2022

Supersulphated Cements from Waste Materials

Publication: Special Publication
Date: 7/1/2022

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