Mechanical Properties of M 25 Grade Concrete Made With Pumice as A Partial Replacement Of Coarse Aggregate
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 8
Abstract
Light weight concrete has become more popular in recent years owing to the tremendous advantages it offers over the conventional concrete. Even light concrete but at the same time strong enough to be used for the structural purpose. Lightweight concrete has been successfully used since the ancient roman times and it has gained its popularity due to its lower density and superior thermal insulation properties. Compared with normal weight concrete, lightweight concrete can significantly reduce the dead load of structural elements, which makes it especially attractive in multi-story buildings. The most important characteristic of light weight concrete beside its light weight is its low thermal conductivity. The adaptation of certain class of light weight concretes gives an outlet for industrial wastes and dismantled wastes which would otherwise create problems for disposal. The aim of the research is to study the attitude of the conventional mix has been designed for M 25 grade concrete and coarse aggregate replaced with pumice aggregate in volume percentages of 10, 20, 30 and 40% further cement replaced with the Ground Granulated Blast Furnace Slag (GGBFS) and Fly Ash (FA) in weight percentages of 10, 20 and 30% study in the present investigation. The properties like compressive strength, split tensile strength, flexural strength and young’s modulus of above combinations were studied and compared with conventional design mix concrete. Hence we can infer that 30% replacement of cement by fly ash is optimum proportion among the proportions tested.
Authors and Affiliations
R Rajesh Kumar, M Venkatadinesh
Keywords
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