E-ISSN 2705-3954 | ISSN 0794-4756
 

Original Research 


PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE

CHUKWUKA STANLEY EZEMENIKE, OLUGBENGA JOSEPH OYEDEPO, OLUFIKAYO ADERINLEWO, ISIAKA SUCCESS OLADELE.

Abstract
Increase in urbanization necessitate infrastructural facilities among which is road development. However, the use of limited and non-renewable constituentsÂ’ materials such as bitumen, aggregate and filler leads to increasing cost of road construction, maintenance and rehabilitation. Thus, exploitation of alternative material (waste or by-products) that can improve the properties of pavement is important. The physical properties of steel slag (SS), aggregate and bitumen was analyzed, while the chemical composition of SS was determined with the aid of X-ray diffraction and X-ray fluorescence. A cylindrical sample of the composite mixture of asphalt concrete was produced using varying proportion of steel slag (SS) at 2%, 4%, 6% and 8% to partially replace the conventional aggregates. Marshall Stability and flow test was performed on the sample produced, while the microstructural analysis of the sample was done using Scanning Electron Microscope (SEM). The marshal stability values obtained were 7.45 KN, 7.75 KN, 8.63 KN, 9.82KN and 11.0 KN for 2%, 4%, 6% and 8% replacement with SS. Comparing with criteria for the Marshal mix design method provided by Asphalt Institute (1997); 4%, 6%, and 8% of SS can be used as coarse and fine aggregate in heavy traffic roads while 2% is appropriate for medium traffic road. Hence SS can be used as partial replacement of aggregate (coarse and fine) in asphalt concrete to improve the performance of the mix and reduces the cost of road construction.

Key words: Asphalt concrete, Conventional aggregates, Marshal Stability, Pollution control and Steel slag.


 
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How to Cite this Article
Pubmed Style

EZEMENIKE CS, OYEDEPO OJ, ADERINLEWO O, OLADELE IS, . PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE. NJE. 2022; 29(1): 1-8.


Web Style

EZEMENIKE CS, OYEDEPO OJ, ADERINLEWO O, OLADELE IS, . PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE. https://www.njeabu.com.ng/?mno=94851 [Access: June 21, 2022].


AMA (American Medical Association) Style

EZEMENIKE CS, OYEDEPO OJ, ADERINLEWO O, OLADELE IS, . PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE. NJE. 2022; 29(1): 1-8.



Vancouver/ICMJE Style

EZEMENIKE CS, OYEDEPO OJ, ADERINLEWO O, OLADELE IS, . PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE. NJE. (2022), [cited June 21, 2022]; 29(1): 1-8.



Harvard Style

EZEMENIKE, C. S., OYEDEPO, O. J., ADERINLEWO, O., OLADELE, I. S. & (2022) PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE. NJE, 29 (1), 1-8.



Turabian Style

EZEMENIKE, CHUKWUKA STANLEY, OLUGBENGA JOSEPH OYEDEPO, OLUFIKAYO ADERINLEWO, ISIAKA SUCCESS OLADELE, and . 2022. PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE. Nigerian Journal of Engineering, 29 (1), 1-8.



Chicago Style

EZEMENIKE, CHUKWUKA STANLEY, OLUGBENGA JOSEPH OYEDEPO, OLUFIKAYO ADERINLEWO, ISIAKA SUCCESS OLADELE, and . "PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE." Nigerian Journal of Engineering 29 (2022), 1-8.



MLA (The Modern Language Association) Style

EZEMENIKE, CHUKWUKA STANLEY, OLUGBENGA JOSEPH OYEDEPO, OLUFIKAYO ADERINLEWO, ISIAKA SUCCESS OLADELE, and . "PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE." Nigerian Journal of Engineering 29.1 (2022), 1-8. Print.



APA (American Psychological Association) Style

EZEMENIKE, C. S., OYEDEPO, O. J., ADERINLEWO, O., OLADELE, I. S. & (2022) PERFORMANCE OF STEEL SLAG AS CONSTITUENT MATERIAL IN ASPHALT CONCRETE. Nigerian Journal of Engineering, 29 (1), 1-8.