International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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Light Weight Concrete with Artificial Aggregate Manufactured from Plastic Waste

Irfan Ansari, Anas Ansari, Qaseem Ansari, Abdul Jabir, Ahefaz Khan, Fardeen Sheikh, Rajat Mishra, Prof. S. R. Nagoshe

Abstract :

The concrete industry needs millions of tons of aggregate, comprising natural sands and gravels, each year. In recent years there has been an increasing trend towards use of recycled aggregate to save natural resources and to produce lightweight concrete. In this investigation, an attempt was undertaken to produce recycled plastic aggregate (RPA) using waste plastic and red sand as a filler. The physical properties of RPA are reported and an experimental investigation of concrete incorporating RPA as coarse aggregates is presented. It was observed that 100% replacement of conventional lightweight aggregate (LWA) with recycled plastic aggregate (RPA) showed about a 13% reduction in chloride penetration. Compressive strength was reduced; however, the waste plastic used for experiments is of LDPE (Low-density poly Ethylene), 5-7 mm size and specific gravity of waste plastic are found to be 0.92, and the compressive of test concrete is compared with plane concrete and it is found that the compressive strength up to 80% is achieved for a mix of waste plastic up to 30% (as a replacement for coarse aggregate) in concrete. Hence is recommended for lightweight concrete structure, non-structural elements such as low side building, cementitious backfill, pavements, and others.

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