Journal of Transportation Research

Journal of Transportation Research

Evaluate Using Steel Slag Aggregate on the Mechanical and Frictional Properties of Asphalt and Resin Specimens

Document Type : Original Article

Authors
Mahmoodreza Keymanesh 1
Hamid Jahanian 2
Zolfaghar Zarei 3
Mahmood Ameri 4
1 Associate Prof, Department of Civil Engineering, Payame Noor University, Tehran, Iran.
2 Ph.D., Student, Department of Civil Engineering, Payame Noor University, Tehran, Iran.
3 Assistant Professor, Department of Civil Engineering, Meymand Center, Firoozabad Branch, Islamic Azad University, Firoozabad, Iran.
4 Professor, School of Civil Engineering, Iran University of Science and Technology (IUST), Tehran, Iran.
10.22034/tri.2023.366149.3091
Abstract
Steel slag aggregate is by product material witch was produced by the steelmaking industry, in large quantities in Iran and usually withdraw from iron making factories. This material contain calcium silicate, manganese, magnesium, iron oxide and calcium. This paper evaluate effect of steel slag aggregate on the frictional properties of asphalt mixtures using British Pendulum apparatus. On the other hand, few special aggregate samples such as lime stone and steel slag was produced by resin glue with special mold and then subjected to the polishing effect using accelerated polishing machine (APM) for exploring micro texture those aggregates. Evaluating mechanical properties of asphalt samples done by Marshall Stability and rutting susceptibility using dynamic creep test through the UTM machine. Test results show positive effect (about 20%) in BPN when adding steel slag as replace of lime stone aggregate. Also potential rutting resistance of steel slag asphalt mixtures rise doubled and finally, better resistance on polishing the surface of steel slag aggregate respect to lime stone was shown.
Keywords
Steel Slag
Rutting Resistance
Skid Resistance
UTM, British Pendulum
Subjects
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