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Effects of Waste Tire on the Shear Strength of Sand

Omid Bayat 1, Kayvan Karimi Askarani 2, and Alborz Hajiannia 3
1. Department of Civil Engineering, Islamic Azad University of Najafabad, Isfahan, Iran
2. Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, USA
3. Department of Civil Engineering, Islamic Azad University of Najafabad, Isfahan, Iran
Abstract— Different artificial materials including waste rubbers have been used to improve soil properties for construction purposes. This study evaluates the effect of reinforcement with waste tires on the shear strength of sands. For this purpose, a series of direct shear tests have been performed on a sandy soil reinforced with different forms of waste tires. Increase in the percentage of the shredded tires resulted in an increase in the optimum water content and a decrease in the unit weight of specimens. The results of the direct shear tests show an improvement in the shear strength of reinforced soil samples than unreinforced soils. In addition, a 7% higher mobilized shear strength of the reinforced samples with fiber shredded tires compared to the reinforced samples with sheet shredded tires supports the influence of the forms of waste tires on the shear strength of reinforced soil. 

Index Terms— reinforcement, sand, shear strength, waste tire

Cite: Omid Bayat, Kayvan Karimi Askarani, and Alborz Hajiannia, "Effects of Waste Tire on the Shear Strength of Sand," International Journal of Structural and Civil Engineering Research, Vol. 8, No. 4, pp. 384-389, November 2019. doi: 10.18178/ijscer.8.4.384-389
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