Properties of Red Mud Admixed Concrete
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 12
Abstract
Red mud is a by-product which is obtained during the Bayer’s process of aluminium production. It is basically a waste material which is highly alkaline in nature and hence cannot be disposed off easily. If it is disposed in agricultural lands then that land becomes infertile for many years. Thus to protect our environment from the ill effect of red mud it is necessary to turn this waste into wealth. Red mud is composed of a mixture of solid and metallic oxide bearing impurities and presents one of the aluminium industries most important disposal problems. The red colour is caused due to the oxidized iron present which can make up to 60% of the mass of red mud. In addition to iron the other dominant particles includes silica, unbleached residual aluminium and titanium oxide. Red mud is a good binder material and can be used in concrete technology for construction practices with partial replacement with cement. The use of red mud with partial replacement of cement proves to be economical because red mud on being a by-product of alumina industry free of cost. Red mud increases the mechanical properties of concrete and as a result of which it is a good cementations material. In this project we have done a comparative study on the fly ash and red mud as cementations admixtures and have discussed about the properties of red mud, its chemical composition and how it enhances the mechanical properties of concrete i.e., increases the compressive strength, flexural strength and tensile strength of concrete based on several research papers. We have also discussed about the properties of bricks that are manufactured out of red mud and how it is economical and how the use of it conserves the environment.
Authors and Affiliations
Er. Vedpal Nain, Er. Mohd. Usman, Er. Ayay Kumar, Er. Sanjay Sangwan
Keywords
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