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Use of steel slag aggregate in asphalt concrete mixes
Abstract
There are three major steel-manufacturing factories in Jordan. All of their by-product, steel slag, is dumped randomly in open areas, causing many environmentally hazardous problems. This research was intended to study the effectiveness of using steel slag aggregate (SSA) in improving the engineering properties of locally produced asphalt concrete (AC) mixes. The research started by evaluating the toxicity and chemical and physical properties of the steel slag. Then 0%, 25%, 50%, 75%, and 100% of the limestone coarse aggregate in the AC mixes was replaced by SSA. The effectiveness of the SSA was judged by the improvement in indirect tensile strength, resilient modulus, rutting resistance, fatigue life, creep modulus, and stripping resistance of the AC samples. It was found that replacing up to 75% of the limestone coarse aggregate by SSA improved the mechanical properties of the AC mixes. The results also showed that the 25% replacement was the optimal replacement level. Key words: steel slag aggregate, asphalt concrete, Superpave, indirect tensile strength, fatigue, rutting, creep.
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Citations
Cited by
Evaluation of steel slag coarse aggregate in hot mix asphalt concrete
Ahmedzade, P., & Sengoz, B. (2009) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2008.09.105 · Cited by 493
Steel slag and its applications in cement and concrete technology: A review
Gencel, O., Karadag, O., Oren, O. H., & Bilir, T. (2021) · Construction and Building Materials · doi:10.1016/j.conbuildmat.2021.122783 · Cited by 391
Basic oxygen furnace slag: Review of current and potential uses
Naidu, T. S., Sheridan, C. M., & van Dyk, L. D. (2020) · Minerals Engineering · doi:10.1016/j.mineng.2020.106234 · Cited by 166
Metadata
- Authors
- Asi, I. M., Qasrawi, H. Y., & Shalabi, F. I.
- Venue
- Canadian Journal of Civil Engineering
- Publisher
- Canadian Science Publishing
- Published
- 2007-08-01
- Volume
- 34
- Issue
- 8
- Pages
- 902-911
- ISSN
- 0315-1468 (ISSN-L)
- 1208-6029
- OpenAlex
- W2084101260
- Cited by
- 170
- References
- 0
- FWCI
- 4.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Use of steel slag aggregate in asphalt concrete mixes. https://app.cochat.ai/papers/10.1139/l07-025
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- Asi, I. M., Qasrawi, H. Y., & Shalabi, F. I. (2007). Use of steel slag aggregate in asphalt concrete mixes. Canadian Journal of Civil Engineering. https://doi.org/10.1139/l07-025
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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