Properties of Gravelless Concrete Ensuring Permanent Texture To Paint

Project Abstract / Summary : In order to develop gravel less concrete and creating a surface which has a permanent texture to paint, to reduce the temperature of the roof top and to prevent the structures from any kind of acid attack. This can be achieved by with the help of alkali reaction between lime and alum metamorphic in nature and also which has calcium content which then combined with potash alum(KAl2(SO4)3.12H2O) forms a chemical reaction between lime and alum, ensuring a surface which is free from acids and and give perfect surface to paste. The marble being metamorphic rock does not absorb heat as gravel and this helps in maintaining moderate temperature.

This helps when a layer of paint is coated on the wall, the paint sticks firmly and permanently which never peels of at any cost. The lime in the marble combines with sulphate in alum, resulting in formation of calcium sulphate which gives more strength to the mixture.

The alum is combined with the usual concrete mix with the full replacement of coarse aggregate by marble chips. Marble chips helps in the reduction of temperature, and it helps to form gypsum when it reacts with alum. And with this later strength of concrete can also be increased. The alum is mixed by a ratio of 1/3 times the quantity of water mixed.

Thus the complete combination of all these mixtures gives a good strength to the mix. Thus by using this green concrete, we can overcome all the obstacles. With the protection against temperature it may be used in nuclear power plants to prevent radiations. Thus a product can be created by satisfying economic and physical effects and can be suitable to use as a replacement which is a coagulant.

As the cost of paint and construction materials has been climbing, things had to be made to reduce these costs which is a duty of a engineer. The main aim of the project is to make concrete with help of marble chips which is of conventional concrete.

Why did you choose to work on this project topic : Being an engineer we want give person the best possible facility in an economic way.So in south India temperature will be high, and there will be lots of cost spent on avoiding it.So in order to overcome this factor and also to reduce the cost of painting which occupies most cost, these are some reasons which made us to choose this project.

Project Category : Civil / Structural
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Institute/College Name: Bannari Amman Institute Of Technology
City: Erode
State: Tamil Nadu
Participating Team From: Third Year

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  • Ankita Katdare
    Ankita Katdare
    Round II Project Entry:

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