DIAGONAL TENSION (SHEAR) TEST OF FULL-SCALE CONCRETE HOLLOW BLOCKS MASONRY ASSEMBLAGES RETROFITTED BY FIBER-REINFORCED PAINT

Unreinforced Masonry (URM) houses contribute to massive casualties during earthquakes. Moreover, the URM house model has been widely built in seismic-prone areas in developing countries. Concrete Hollow Block (CHB) has recently become a popular material for residential houses because of its affordability and versatility. However, due to bad implementation, CHB as a masonry unit has low compressive strength and is weak against the lateral load. Therefore, improving the seismic capacity for masonry houses has been the most urgent issue in recent years. This study used fiber-reinforced paint as retrofitting material to increase the seismic capacity of masonry houses. Other advantages of fiber-reinforced paint are that it is easy to apply, minimizes dust during earthquakes, and is commonly used to beautify house appearance. This study discusses diagonal tension (shear) tests on full-scale CHB masonry assemblages. From the results, fiber-reinforced paint can improve the deformation capacity of masonry houses.