Corrosion Resistance of Reinforcing Steel in Concrete using Natural Fibers Treated with Used Engine Oil

Author(s)	Mr. Ninad Gajendra Teke, Mr. Aary Chaten Gade, Ms. Tulasi Dattaray Kavathekar
Country	India
Abstract	Corrosion of reinforcing steel is a major cause of deterioration in reinforced concrete structures, leading to cracks, spalling, and reduced durability. This study presents an eco- friendly and low-cost approach to improve corrosion resistance by using natural fibers treated with used engine oil in concrete. Locally available coconut leaf fibers were selected for their good tensile strength and low cost. The fibers were treated with used engine oil to reduce water absorption and degradation, forming a protective hydrophobic layer that limits moisture and chloride penetration. Concrete mixes containing 0.2% and 0.4% of treated fibers were tested for compressive strength, and electrochemical corrosion resistance. Results showed that treated fibers improved steel–concrete bonding and significantly reduced corrosion rates without affecting strength. This sustainable technique enhances concrete durability, promotes waste reuse, and offers a cost-effective alternative to chemical corrosion inhibitors.
Keywords	Corrosion, Coconut Leaf , Electrochemical
Field	Engineering
Published In	Volume 17, Issue 1, January-March 2026
Published On	2026-03-31

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