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커플링 정도와 상세에 따른 병렬 전단벽의 내진거동 비교
윤현도 ( Yun Hyun-do ),박완신 ( Park Wan-shin ),이주화 ( Lee Joo-hwa ),박희연 ( Park Hee-yeon ) 한국구조물진단유지관리공학회 2003 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.7 No.2
In high multistory, reinforced concrete buildings, coupled shear walls(CSWs) can provide an efficient structural system to resist horizontal forces due to wind and seismic effects. Behavior of these structures depend on degree of coupling and details of coupling beam. This paper composed of two subjects. First subject is a verification of proposed statistical regression formula for evaluation of the degree of coupling and determination of fundamental periods of CSWS by Chaallal et al. Second subject is a comparison of elastic behavior and nonlinear seismic behavior of fully coupled shear wall and partially coupled shear wall for Details and Degree of coupling. This paper used IDARC-2D and Midas Gen 4.3.1 for the purpose of achievement these subjects. Analysis results shows that statistical regression formula by Chaallal revise a little. Elastic and nonlinear seismic analytical result shows that steel coupling beam and diagonally reinforced concrete coupling beam have good behavior. Also, fully coupled shear wall have good behavior than partially coupled shear wall.
고인성 시멘트 복합체를 사용한 철판보강 합성 커플링 보의 손상평가
윤현도 ( Yun Hyun-do ),김선우 ( Kim Sun-woo ),전에스더 ( Jeon Esther ),서수연 ( Seo Soo-yeon ),최창식 ( Choi Chang-sik ),최기봉 ( Choi Ki-bong ) 한국구조물진단유지관리공학회 2005 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.9 No.2
High performance fiber-reinforced cement composites(HPFRCCs) have the potential to provide seismic devices or elements with high ductility and damage tolerance. Acoustic emission(AE) is another emerging area that can monitor architectural and civil structures for signs of deterioration and damage. Developed in isolation of one another, these two promising technologies can be integrated to provide HPFRCC structural elements capabilities to accurately monitor their performance to highly demanding loading conditions such as those posed by seismic events. AE characteristics of HPFRCC composite coupling beam was investigated during the entire loading period. The fundamental test performed in laboratory shows that the cracking(damage) process can be practically monitored by the measurement of AE signals.