Considerations in the Safety Evaluation of the Lateral Structural Members Reinforced with Steel Plate or CFRP Sheet

강판 또는 탄소섬유시트 보강된 수평 구조 부재의 안전성 평가시 고려사항

Since regulation or specification for the reinforcing method are quite ambiguous, structural design for the reinforcement can be subjectively and arbitrarily conducted. Thus, reasonable limitation and guide for the quantity of the reinforcement are required for the safe use of the structure after repair. In order to guarantee the safety of the structural member several items should be considered; reinforcing limit to avoid the brittle failure, least required strength of the existing member before reinforcement in order not to fail under the new serviceability load condition when reinforcing steel plates or CFRP sheets are harmed or subjected to fire.