A Review on Marshall Parameters of BC Mix Using High-Density Polyethylene and Wollastonite

Civil Engineering

Bituminous is widely used in the construction of flexible pavements but due to the repetition of overloaded vehicles and change in seasonal temperature, various defects may arise like raveling, rutting, cracking, potholing of bitumen surface. To provide strength and durability to various construction projects bitumen concrete mix is added with some admixture. It was found that polyethylene and wollastonite are very good admixture. Concrete which emits a large amount of carbon dioxide in the atmosphere leads to the greenhouse effect. In this case use of these admixtures helps to create green building projects. Polyethylene and wollastonite are used to improve the engineering properties of the bitumen mix.The addition of polyethylene and wollastonite helps to enhance Marshall characteristics such as flow value, stability,and air voids. Plastics are everywhere now these days and rapidly increasing in developing countries. These are non-biodegradable and this is a big challenge to manage this solid waste. So it is very beneficial to use this as an admixture in bitumen concrete mix also, wollastonite is available in a large amount. Using these admixtures not only provides strength to structure but also reduces the overall cost of the project because these admixtures are very cheap which ultimately results in an overall cost project.

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