Effect of crude oil on performance of RC columns wrapped with CFRP in Kurdistan environment

الملخص EN

This paper reports the results of an experimental investigation of the application of carbon fiber reinforced polymer (CFRP) to concrete petroleum construction in Kurdistan environment.

The study involved testing reinforced concrete (RC) columns.

A set of 20 specimens were grouped and investigated to evaluate the performance of CFRP wrapped RC circular columns.

The specimens were immersed for different periods (for up to 720 days) in crude oil, which are common conditions for petroleum construction.

The specimens were identical and had a diameter of 150 mm and an overall height of 550 mm.

Period of immersion was the main test parameter and the investigation focused on the performance of the columns wrapped with CFRP in terms of load capacity, deformation and ductility.

The test results showed that the ultimate load capacity of the RC columns wrapped with CFRP was not noticeably affected by immersion in crude oil.

However, there was a significant reduction in ultimate axial displacement and radial strain.

Hence, there was a significant effect of immersion in crude oil on the ductility of RC columns confined with CFRP.