Mechanical and Physical properties of Concrete Structures

Abstract

The present paper provides a review on the various ingredients and admixtures that are used in the concrete. The review includes various admixtures and analysis the effect of these ingredient and admixtures on the concrete. As we know the concrete has a heterogeneous structure, that is mainly consist of 3 things they are, aggregates, cements paste, pores structures and (ITZ) Interfacial Transition zone cement. To get the high strength of concrete we need to carefully add aggregate and admixtures in right proportion to the mixing of the concrete. While doing the study it’s been observed that these aggregates and admixtures plays a vital role in the strength and durability of the concrete. Admixtures are the consist of all the materials that are added to the concrete such as water, aggregate etc except the cement. The mechanical and physical properties of the concrete is decided by the characteristics of the aggregates. The ratio between water and cement content decides the quality of concrete, so that should be added in proper ratio while making and aggregate and paste. When the water and cement combine chemically then the hydration reaction formed which initially forms very quickly and after that slowly more a long time period in its favourable moisture conditions.