What is it about?

Plastic bottles are a large part of the increasing population in the 1940s. It takes hundreds of years for petro-chemical based compounds to decompose. The process of dumping plastic waste is a huge problem and also harmful to the environment. Plastic products are one of the major sources of pollution for land and water. Dumping of plastic waste is a critical problem. To overcome these effects, solid waste management can be used in the construction area. By placing the cement with Prospis Juliflora ash the side effects caused by cement can be reduced. Solid waste such as crushed plastic and Prosopis Juliflora Ash (PJA) can be used in concrete production. Prosopis Juliflora, a persistent weed that has spread widely over the past 150 years, has been an environmental issue in various parts of the world, including India. Because of its environmental and economic effects, in Africa and India, Prosopis Juliflora has been confirmed as a deleterious plant. It can fix large quantities of carbon dioxide as biomass from the atmosphere, it can be viewed as a smart source of biomass. By replacing the cement with Prosopis Juliflora Ash the side effects of cement towards the environment can also reduce. In this research, the white cement, plastic, and PJA are used to make a floor tile. The primary binder cement is replaced in this study by plastic waste and PJA with 10%, 20% and 30% proportion. In this study, mechanical properties of concrete with and without addition of PJA is studied as per Indian Standard code provisions. It has been observed that these combinations prove good for abrasion and impact resistance of floor tiles made from these, but do not contribute much to strength gain.

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Why is it important?

Pollution is becoming a major issue of concern worldwide. It may be air pollution, water pollution or land pollution. Plastic products are one of the major sources of land and water pollution. As the rapidly increasing production of disposable plastic products overwhelms the ability of the world to deal with them, plastic pollution has become one of the most pressing environmental issues. Plastic takes thousands of years to decompose. Dumping of plastic waste is a crucial problem. The municipal corporations are facing serious problems due to solid plastic waste [1]. Based on the overall view, it is analyzed that 56% of total plastic waste is used for the packaging industry, which is ¾th of waste only from households, and only 7% plastic waste is sent for recycling [2]. Much research has been done for making concrete using such products which are harmful for the environment.

Perspectives

The research is done in the effect of adding plastic and PJA in the mix and replacing some amount of cement. Mix 6 shows the better results for coefficient of restitution compared to other mixes. It shows that the addition of plastic in the mix gives better impact resistance to the tiles. Up to 30% addition of plastic in the mix can be considered better for impact resistance of tiles.

Dr Gobinath R
SR University, Warangal

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This page is a summary of: Utilization of plastic waste and ProsopisJuliflora Ash in making floor tiles, Materials Today Proceedings, January 2022, Elsevier,
DOI: 10.1016/j.matpr.2021.07.444.
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