BEHAVIOURAL STUDY ON RC BEAM WITH SEA SHELL AS A FINE AGGREGATE SUBJECTED TO REVERSE CYCLIC LOADING

Abstract

Concrete is the widely used material after water in the world. The word concrete denotes the coarse aggregate, fine aggregate, water and cement. There are much research going on in the present world in the field of concrete technology. This project aims to find a solution for the exploitation of river sand and to replace with the other abundant and cost-effective material as the fine aggregate for the betterment of our society and the construction Industry. The viability of using grinded sea shell as the fine aggregate are investigated in the project. The grinded sea shell is replaced in the place of river sand in the percentage of 20,40%,60%,80%,100%. There is promising increasing in the strength of the specimen in all the percentage when compared to that of the conventional. The maximum strength is obtained for the replacement of 80%. The further investigation is carried with the aid of RC Beam subjected to Reverse cyclic loading. The optimum percentage (80% Sea shell + 20% river sand) is found out and the beam is cast and subjected to loading and the corresponding deflection is noted down. The parameters like ultimate load carrying capacity, energy absorption, ductility factor, stiffness and the maximum deflection is studied.