Plastic bags that are commonly used for packaging causes serious environmental problems. The accumulation of plastic bags increases every year. They can last in the environment for 1000 years without getting disintegrated. Disposal of a large quantity of plastic bags may cause serious land, water, and air pollution. The reuse of plastic bags can be done as one of the constituent materials for concrete, as plastic fiber improves certain properties of concrete.
MATERIALS
1. Cement - Ordinary Portland cement of 43 grade confirming to IS 8112-1989 is used.
2. Fine Aggregate – Natural river sand is used as fine aggregate, having properties which are determined by performing tests as per IS 2386(Part I). The results are:
3. Coarse Aggregate – Crushed granite stones from local quarries are used as coarse aggregates. The maximum size of the coarse aggregate that can be used is 20 mm. The properties of aggregate are determined by conducting the test as per IS 2386(Part III). The results are:
4. Water – Portable Water free from impurities and salt is used for casting and curing the concrete blocks as per IS 456-2000.
5. Plastic – Pieces of Polyethylene bag which are commonly used for packaging and carrying goods are used in concrete.
COMPRESSIVE STRENGTH- The compressive strength of concrete goes on reducing with an increase in the percentage of plastic pieces but the rate of reducing compressive strength is very low.
TENSILE STRENGTH- The splitting tensile strength observation shows the improvement of the tensile strength of concrete up to 0.8% of plastic.

The use of plastic can be possible to improve the properties of concrete which can act as one of the plastic disposal methods.
Submitted By Armandev Puhan.


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