Abstract
Among various building materials, concrete is the most widely used conventional material. Nowadays many scientists are on a hunt for a substitute material for constructionthat is eco-friendly and made from industrial waste products and offer sustainable development. In this study, cement was partially substituted by metakaolin of varying percentage as 0%, 2.5%, 5%, 7.5% and 10% by weight of cement. Shredded plastic waste of 0.5% by weight was added to concrete by replacing coarse aggregate in the concrete. M20 grade concrete is used for beams. Optimum replacement percentage of metakaolin was determined from the tests. Ultimate load carrying capacity of beams produced with the optimum replacement percentage was compared with the numerical investigation done by finite element modelling package ANSYS 12.0.
Highlights
According to the increase in population, production and utilization of Portland cement is costly and energy intensive and releases a significant amount of carbon dioxide content into the environment
Raju and Rajiv Chauhan (2014) conducted an experimental study on the strength behavior of cement concrete with use of plastic fibers and concluded that no cracks were found and smooth surface finish with 1% of plastic fiber by weight which results the decrease in compression and tensile strength .Murali and Surthee (2012) studied the concrete with metakaolin as partial replacement of cement and decided that 7.5% of metakaolin increased the strength parameters when compared with 5% and 10% of metakaolin
Following are the conclusions made after the investigation on flexural beams made with metakaolin and shredded plastic waste as partial replacement materials for cement and coarse aggregate
Summary
According to the increase in population, production and utilization of Portland cement is costly and energy intensive and releases a significant amount of carbon dioxide content into the environment. Metakaolin is one of the pozzolanic material which has cementitious properties and is used to produce high strength concrete. Increasing consumers around the world produce various types of non-decaying or non-biodegradable waste materials, resulting in disposal crisis. Disposal of waste plastic materials in environment results in a lot of pollution and damage to the natural ecosystem and climatic conditions. Utilization of plastic waste in concrete will be a useful alternate solution to the waste disposal problems. 0.5% of shredded plastic waste was added with the concrete by replacing the coarse aggregate
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