tie rod on the wall of an exposed brick building with construction detail of the keys supporting the internal tie rods.

tie rods wall plate nut captive house antiseismic hinge coupler old texture pattern red block keys construction technique detail brick earthquake restoration incentives stone bonus surface flat steel concrete cement urban background rough brickwork structure wallpaper architecture material design weathered abstract building exterior interior facade horizontal built textured consolidation statics testing safety seismic prevention structural homes areas shaped anchor plates