Reinforced　concrete　frame　bent　structure　(RCFBS)　is　a　popular　structural　pattern　in　industrial　power　plant,　while　it　behaves　poor　seismic　performance　in　several　previous　earthquake　accidents.　This　study　adds　buckling　restrained　brace　(BRB)　in　the　experiment　model　to　improve　the　seismic　performance　of　main　structure.　However,　for　such　structures　few　BRBs　just　are　permitted　to　set　into　its　body　due　to　the　limits　of　process　layout.　To　reinforced　concrete　power　plant,　the　work　aims　to　how　to　set　BRB　in　reinforced　concrete　frame　bent　structures　and　to　examine　the　role　of　BRB　in　the　seismic　performance　of　main　structure.　©　Published　under　licence　by　IOP　Publishing　Ltd.