Unreinforced masonry walls lack steel reinforcing bars inside. This steel is necessary because it adds strength to a building’s structure. As a result, unreinforced masonry is not as sturdy and risks partial or complete collapse during an earthquake. In addition, an unreinforced masonry building consists of load-bearing and non-load-bearing walls. However, reinforcing materials like cinderblock, concrete, or rebar don’t support either. Generally, unreinforced masonry is made of hollow clay tiles, concrete blocks, bricks, and stone. (more…)