unreinforced

the building was unreinforced, making it vulnerable to earthquakes.

unreinforced concrete structures often require additional support.

many old bridges are unreinforced and pose safety risks.

the unreinforced walls could collapse under heavy wind.

engineers evaluated the unreinforced masonry for potential hazards.

unreinforced buildings are often less durable than modern designs.

retrofitting unreinforced structures can be costly but necessary.

the risk of failure is higher in unreinforced designs.

unreinforced walls may not meet current building codes.

during the inspection, they found several unreinforced sections.