Retrofitting masonry infills in substandard RC structures via TRM jackets

The paper a technique based on textile-reinforced mortar (TRM) jacketing is presented for the retrofitting non-seismically reinforced concrete masonry-infilled frames. The efficiency of TRM jacketing was experimentally examined by testing two, as-built and retrofitted, 2:3- scaled, three-storey frames subjected to in-plane cyclic loading. The test results showed a considerable increase in resistance, deformation capacity and (initial) stiffness of the retrofitted specimen compared to that of the as-built one and provided strong evidence on the efficiency of the proposed technique.