Abstract
Utilization of waste materials for infrastructure development has become a sustainable solution for waste management. However, assessment of the suitability of these materials for construction has become a challenge. The present paper explores the potential of using four different waste materials in unreinforced and reinforced conditions for highway construction. The different waste materials considered are demolition waste, pond ash, quarry dust and tyre shreds. For reinforcing the waste materials, geocell reinforcement is used. The experimental studies were conducted in a steel tank 750 mm × 750 mm in plan, using plate load test set up. The test arrangement consists of geocell reinforced sections of 100 mm height prepared over a cohesionless fill of 400 mm height at 85% relative density. Since tyre shreds are compressible in nature, they are used along with quarry dust in three different volume proportions. The pressure versus settlement responses for both reinforced and unreinforced sections are studied. Among the various waste materials tested, it is observed that pond ash proves to be a suitable material for pavements as they sustain higher bearing pressure and reduce the surface heave extensively.
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