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An overview on performance of steel slag in highway industry


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Aziz, MMA, Shokri, M, Ahsan, A, Liu, HY ORCID: 0000-0002-5437-4695, Tay, L and Muslim, NH 2020 , 'An overview on performance of steel slag in highway industry' , Journal of Advanced Research in Materials Science, vol. 67, no. 1 , pp. 1-10 , doi: 10.37934/arms.67.1.110.

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Transportation and highway industry are going to use sustainable and recycling materials to address the two global issues:environment and energy. One of the materials is steel-furnace slag, a sustainable waste material, which includes two types, i.e.compound aggregate brings out as a consequence of Electric Arc Furnace (EAF) and Basic Oxygen Furnace (BOF). Steel slag canreplace the traditional aggregates because it has a feature that almost same to those traditional aggregates and it is easily secureas a by-product from the steel industry. The recent experimental researches in preliminary studies have demonstrated chemical,mechanical and physical and properties of the steel slag. California bearing ratio (CBR) value of steel slag is between 200 and 300%,whereas CBR of crushed aggregate is only from 80 to 100%. Furthermore, asphalt mixture using steel slag presents bettermechanical characteristics than those of the corresponding asphalt with 100% natural aggregate. Combination of 30% steel slagand 70% natural aggregates in bitumen mixture shows excellent performance as surface course of roads. Hence, operation of steelslag in road construction reduces land fill, saves natural resources and improves the strength of pavement to sustain a heavier andhigher volume of vehicles. The overall purposes of this review paper are collecting chemical, physical and mechanical characteristicsof steel slag for illustrating its performance, highlighting the previous studies on the use of steel slag in road construction and theeffect of different percentage of steel slag upon pavement as a replacement for natural aggregates.

Item Type: Article
Authors/Creators:Aziz, MMA and Shokri, M and Ahsan, A and Liu, HY and Tay, L and Muslim, NH
Keywords: sustainable pavement, steel slag, environment, fatigue, rutting, creep, skid resistance
Journal or Publication Title: Journal of Advanced Research in Materials Science
Publisher: Akademia Baru Publishing
ISSN: 2289-7992
DOI / ID Number: 10.37934/arms.67.1.110
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