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철근 이음형 PC 보-기둥 내부 접합부의 구조적 거동에 관한 실험적 연구
김승훈,하상수,문정호,이리형,이강철,전병갑 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
In this study, new moment-resisting precast concrete beam-column joint is proposed for moderate seismic regions. It has the connection reinforcing bars, penetrated the joint and lap-spliced with the bottom bars of precast U-beam. An experimental study was carried out to investigate the joint behavior subjected to reverse cyclic loading and constant axial compressive load. Three precast beam-column interior were tested. The variables examined were the type of connection reinforcing bars and presence of transverse reinforcement in joint. Joint performance is evaluated on the basis of connection .strength, stiffness, energy dissipation, and drift capacity. Based on the test results, the precast connection is capable of matching or exceeding the performance of the monolithic connection and thereby provides the sufficient moment-resisting behavior to be applicable for moderate seismic regions.
이성원(Lee, Seong-Won),김준삼(Kim, Jun-Sam),전병갑(Jeon, Byong-Kap) 대한건축학회 2015 大韓建築學會論文集 : 構造系 Vol.31 No.12
The purpose of this study is to provide efficient structural solution with economics and constructability as well as approch corresponded at the new remodeling criteria. According to the new remodeling criteria, it is generally not allow the change of the member stiffness, in addition, the load sharing between the piles and member reinforcing method are strictly limited in order to improve the safety of the structure. In this report, 8 alternative structural systems have been devised for the vertical extention of 3 floors. Through the analysis and design of each structural system, establishment of analysis method, the amount of the structural members and minimize the number of reinforcing piles were reviewed. Finally, it is expected that remodeling design will be achieved with safety, cost savings and good constructability.