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신상영 ( Sin Sang Young ),정용욱 ( Jung Yong Wook ),김승직 ( Kim Sung Jig ),장준호 ( Chang Chunho ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
This study proposed a seismic isolation system which uses the LM guide featuring high hardness and low frictional coefficient and a viscoelastic damper possessing high restitution force and damping force in order that existing seismic isolation systems using conventional sliding bearing way can be applied to a structure, and intended to analyze the proposed seismic isolation system's utilization possibility as a seismic isolation system for rescue through an experiment utilizing 6 earthquake waves being entered according to the reoccurrence cycle on the basis of performance-based design, and the case of Kyungju earthquake and to interpret the results of experiment.
복합 구조물에 적용 가능한 하이브리드 지진격리시스템 성능평가
신상영 ( Sin Sang Young ),장준호 ( Chang Chunho ),김승직 ( Kim Sung Jig ),김시윤 ( Kim Si Yun ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
The target in the design of base isolated structures is the selection of isolation system properties so that optimal performance is achieved among seismic levels and performance metrics. To withstand very rare ground motions, isolation system are frequently designed with significant strength or damping, and as a result such devices provide reduced isolation effect for more frequent seismic events. To investigate improvements to the design of isolated structures, a lot of research program is performed. Experimental investigations are presented to characterize smart base isolation capable of progressively exhibiting different hysteretic properties at different stages of response. Shear tests are conducted along the ISO standard, including harmonic characterizations tests. These tests included various input intensities, multi-component excitation. Behavior of the new smart base isolation system is compared with that of linear isolation systems with both nonlinear viscous and bilinear hysteretic energy dissipation mechanisms.