Behaviour of reinforced concrete columns strengthened by external means

Abstract

A literature review of different techniques of strengthening and repair of concrete columns was carried out. In this project, sixteen columns were tested to investigate the strengthening of columns using external straps. The straps were made from steel channels and the columns were subjected to only axial loads. It was found that such technique of laterally confining the column produced almost no significant change in initial axial stiffness. The strength of the concrete was increased but only marginally.