RESULTS FOR 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.

Informational Resources News, Events & Engagements ACI Web Pages

STANDARDS, PRACTICES and MANUALS ON SLAG IN CONCRETE

ACI PRC-233-17: Guide to the Use of Slag Cement in Concrete and Mortar

ACI PRC-225-25: Selection and Use of Hydraulic Cements—Guide

ACI PRC-231.1-25: Managing and Increasing Early-Age Strength of Low-Clinker Concrete Mixtures—TechNote

ITG-10R: Practitioner's Guide for Alternative Cements

ACI PRC-325.14-17: Guide for Design and Proportioning of Concrete Mixtures for Pavements

ACI PRC-211.8-15 (Reapproved 2023) Guide to Troubleshooting Concrete Mixture Issues as Influenced by Constitutive Materials, Jobsite Conditions

ACI PRC-304S-00 Guide for Measuring, Mixing, Transporting, and Placing Concrete - Spanish Language (Reapproved 2009)

ACI PRC-221S-96 Guide for Use of Normal Weight and Heavyweight Aggregates in Concrete - Spanish Language

ACI PRC-211.5-14 (Reapproved 2023) Guide for Submittal of Concrete Proportions

ACI PRC-211.4-08: Guide for Selecting Proportions for High-Strength Concrete Using Portland Cmt & Other Cementitious Material

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JOURNAL Articles ON SLAG IN CONCRETE

Multi-response Optimization of Quaternary Blended Mortar Using Taguchi–Grey Relational Analysis

Publication: IJCSM
Date: 3/31/2026

Investigating Pozzolanic Reactivity of Ground Ferronickel Slag Through the R3 Test for Its Potential Use as Alternative Supplementary Cementitious Material

Publication: IJCSM
Date: 3/31/2026

Self-Healing Capability of Ambient Cured High Calcium Based Alkali-Activated Engineered Composites (Prepublished)

Publication: Materials Journal
Date: 3/25/2026

Effects of Different SCM on ASR of Seawater Sea-Sand Cement-Based Materials (Prepublished)

Publication: Materials Journal
Date: 3/25/2026

Optimized Fiber-Reinforced Slag Concrete for Freezing-and-Thawing Resilience

Publication: Materials Journal
Date: 3/1/2026

Surface Treatment for Recycled Plastic Aggregate in Concrete: A Review

Publication: Materials Journal
Date: 3/1/2026

Effects of Limestone Powder on Chloride Concentration of Cement Paste

Publication: Materials Journal
Date: 3/1/2026

Mitigating Chloride-Ion Ingress in Cement Composite Using Nanosilica

Publication: Materials Journal
Date: 3/1/2026

Alkali Silica Reactivity in Cement Composite with Ferronickel Slag Aggregates: A Regression Analysis and 3D Visualisation Approach

Publication: IJCSM
Date: 1/31/2026

Multi-objective Optimisation of One-Part Slag–Flyash–Microsilica Based Alkali-Activated Ternary Binder Mixes

Publication: IJCSM
Date: 1/31/2026

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Practice oriented papers and articles ON SLAG IN CONCRETE

2025 Slag Cement in Sustainable Concrete Awards

Publication: Concrete International
Date: 5/1/2026

Potential of grinding agent for enhancing chemical reactivity of blast furnace and steel slag materials

Publication: Special Publication
Date: 5/1/2026

Point of View: Type IL Cement and Concrete Scaling

Publication: Concrete International
Date: 4/1/2026

What’s Next After Type IL Cement and How Can We Use Blended Cements Successfully?

Publication: Concrete International
Date: 2/1/2026

Chloride Desorption Isotherms of Cementitious Systems Exposed to Low-pH Environments

Publication: CRC
Date: 8/5/2025

Point of View: Type IL Cement and Concrete Scaling

Publication: Concrete International
Date: 7/1/2025

2024 Slag Cement in Sustainable Concrete Awards

Publication: Concrete International
Date: 5/1/2025

Study on Use of MSWI Fly Ash with Mainstream Supplementary Cementitious Materials

Publication: Special Publication
Date: 6/18/2024

Efficiency of Using Recycled Coarse Aggregate for Internal Curing of Blended Cement Concretes

Publication: Special Publication
Date: 6/18/2024

Comparative Study of the Mechanical and Durability Performance of Low Carbon Concrete Matrices with Alternative SCMs

Publication: Special Publication
Date: 6/18/2024

Search all Articles on slag in concrete »

by Anthony Mackin

Advantages of Silica Fume-Slag Ternary Binders for Production of Durable Concrete

by R. Doug Hooton

ASR Resistance of Ground Bottom Ash Based Alkali-Activated Concrete and the Prospect of Using MCPT for the Evaluation

by Shubham Mishra

Bond Behavior of Epoxy-Coated Reinforcing Bars in Non-Proprietary Ultra-High Performance Concrete

by Sanjeeb Thapa

Bond of FRP and NSM Bars to Alkali-Activated Mortar Combining Blast Furnace Slag and Waste Glass

by Ivana Krajnovic

Can Machine Learning Correlate Accelerated and Natural Carbonation? A Case Study of Low-Carbon Concrete Using Probabilistic Deep Learning

by Marani

Characterization and Quantification of the Pozzolanic Reactivity of Natural and Non-Conventional Pozzolans

by Farshad Rajabipour

CO2 Uptake and Reactivity of Supplementary Cementitious Materials

by Suraneni

Constructability of Mass Shotcrete

by Van Zetten

Demonstrating Resilient and Sustainable Concrete Benefits with Slag Cement

by Shawn Kalyn

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FREQUENTLY ASKED QUESTIONS ON SLAG IN CONCRETE

Question: Definition of concrete, hydraulic cement, mortar, and grout

Question: The effect of entrained air on the workability of concrete

Question: Materials used to produce portland cement

Question: Why is Type IV cement rarely produced and Type V cement rarely used?

Question: What is slag cement or ground granulated blast-furnace slag (GGBFS)

Question: Benefits of using slag cement

Question: What are blended cements?

Question: What is aggregate?

Question: Important requirements of a concrete aggregate

Question: How can durable aggregates be ensured?

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ACI Web Pages on slag in concrete

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