Effect of steel slag and Portland cement in the rate of hydration and strength of blast furnace slag pastes

J. Lizarazo-Marriaga; Peter A. Claisse; Eshmaiel Ganjian

doi:10.1061/(ASCE)MT.1943-5533.0000149

Effect of steel slag and Portland cement in the rate of hydration and strength of blast furnace slag pastes

J. Lizarazo-Marriaga, Peter A. Claisse, Eshmaiel Ganjian

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Abstract

This paper presents an experimental study of the influence of steel basic oxygen slag (BOS) and ordinary portland cement (OPC) on the compressive strength and the hydration mechanisms of blended grounded granulated blast furnace slag (GGBS) pastes. The compressive strength, the mineralogical changes due to hydration, the setting times, the alkalinity of the raw materials, and the pore solution, and the volume stability were measured on binary and ternary mixes. It is concluded that the steel slag can be used as an activator of GGBS and the optimum composition of those materials was determined with a proposed parameter called “slag index.” The properties measured in blended OPC-GGBS-BOS mixes showed encouraging results to be used industrially. The mechanisms of hydration of the blended slag mixes are discussed and a hydration model of the blended system GGBS-BOS is proposed.

Original language	English
Pages (from-to)	153-160
Journal	Journal of Materials in Civil Engineering
Volume	23
Issue number	2
DOIs	https://doi.org/10.1061/(ASCE)MT.1943-5533.0000149
Publication status	Published - 2011

Keywords

steel basic oxygen slag
ordinary portland cement
compressive strength
hydration
blast furnace slag

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10.1061/(ASCE)MT.1943-5533.0000149

Effect of steel slag

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title = "Effect of steel slag and Portland cement in the rate of hydration and strength of blast furnace slag pastes",

abstract = "This paper presents an experimental study of the influence of steel basic oxygen slag (BOS) and ordinary portland cement (OPC) on the compressive strength and the hydration mechanisms of blended grounded granulated blast furnace slag (GGBS) pastes. The compressive strength, the mineralogical changes due to hydration, the setting times, the alkalinity of the raw materials, and the pore solution, and the volume stability were measured on binary and ternary mixes. It is concluded that the steel slag can be used as an activator of GGBS and the optimum composition of those materials was determined with a proposed parameter called “slag index.” The properties measured in blended OPC-GGBS-BOS mixes showed encouraging results to be used industrially. The mechanisms of hydration of the blended slag mixes are discussed and a hydration model of the blended system GGBS-BOS is proposed.",

keywords = "steel basic oxygen slag, ordinary portland cement, compressive strength, hydration, blast furnace slag",

author = "J. Lizarazo-Marriaga and Claisse, {Peter A.} and Eshmaiel Ganjian",

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doi = "10.1061/(ASCE)MT.1943-5533.0000149",

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publisher = "American Society of Civil Engineers",

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T1 - Effect of steel slag and Portland cement in the rate of hydration and strength of blast furnace slag pastes

AU - Lizarazo-Marriaga, J.

AU - Claisse, Peter A.

AU - Ganjian, Eshmaiel

PY - 2011

Y1 - 2011

N2 - This paper presents an experimental study of the influence of steel basic oxygen slag (BOS) and ordinary portland cement (OPC) on the compressive strength and the hydration mechanisms of blended grounded granulated blast furnace slag (GGBS) pastes. The compressive strength, the mineralogical changes due to hydration, the setting times, the alkalinity of the raw materials, and the pore solution, and the volume stability were measured on binary and ternary mixes. It is concluded that the steel slag can be used as an activator of GGBS and the optimum composition of those materials was determined with a proposed parameter called “slag index.” The properties measured in blended OPC-GGBS-BOS mixes showed encouraging results to be used industrially. The mechanisms of hydration of the blended slag mixes are discussed and a hydration model of the blended system GGBS-BOS is proposed.

AB - This paper presents an experimental study of the influence of steel basic oxygen slag (BOS) and ordinary portland cement (OPC) on the compressive strength and the hydration mechanisms of blended grounded granulated blast furnace slag (GGBS) pastes. The compressive strength, the mineralogical changes due to hydration, the setting times, the alkalinity of the raw materials, and the pore solution, and the volume stability were measured on binary and ternary mixes. It is concluded that the steel slag can be used as an activator of GGBS and the optimum composition of those materials was determined with a proposed parameter called “slag index.” The properties measured in blended OPC-GGBS-BOS mixes showed encouraging results to be used industrially. The mechanisms of hydration of the blended slag mixes are discussed and a hydration model of the blended system GGBS-BOS is proposed.

KW - steel basic oxygen slag

KW - ordinary portland cement

KW - compressive strength

KW - hydration

KW - blast furnace slag

U2 - 10.1061/(ASCE)MT.1943-5533.0000149

DO - 10.1061/(ASCE)MT.1943-5533.0000149

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JO - Journal of Materials in Civil Engineering

JF - Journal of Materials in Civil Engineering

SN - 0899-1561

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