It is a known fact that the performance of conventional concrete is enhanced by external fibre reinforced polymer confinement (FRP). This technique is considered superior to steel jacketing methods in terms of confinement strength, ductility, sectional areas, weight, corrosion resistance, ease of installation and overall cost. This paper presents an experimental study focuses to find the effect of corner shape modification in square column on FRP properties and to achieve whether the former is

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... uitable for high strength concrete or low strength concrete. Here a study on the behaviour of axially loaded short reinforced concrete columns that have been strengthened with glass fibrereinforced polymer sheets (GFRP). Both circular and square reinforced concrete columns, forming a total of 42 specimens were loaded to axial compression and investigated in both axial and transverse directions. The parameters considered are strength of concrete, cross sectional shape and GFRP type. The experimental results clearly shows that GFRP confinement enhances the compressive strength and ductility of circular columns more effectively than square columns which is a known fact, but this increase in strength and ductility is more significant for low strength concrete. In addition, bi-directional yields better result comparing with chopped strand.