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박종열(Park Jong-Yeol),권광호(Kwon Kwang-Ho),김진구(Kim Jin-Koo) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.8
In this study the progressive collapse resisting capacity of Special Truss Moment Frames (STMF) was investigated. As analysis models, STMF with various span lengths, numbers of story, and lengths of special segments were designed and their performances were compared. It was observed that all the model structures designed per the ASCE 7-10 collapsed as a result of plastic hinge formation at special segments when a column was suddenly removed. A design procedure was developed to prevent progressive collapse based on the energy balance concept. The model structures redesigned using the developed design procedure turned out to satisfy the acceptance criteria of the GSA guidelines.
박종열(Park Jong Yeol),김동규(Kim Dong Kyu),박형기(Park Hyung Ghee) 한국구조물진단유지관리학회 2003 한국구조물진단학회 학술발표회논문집 Vol.- No.-
This paper presents a signal processing procedure to detect damage locations of frame structures by using continuous wavelet transform. Wavelet transform has the characteristics that allows the use of longer time interval at low-frequency domain, and shorter interval at high-frequency domain. By this wavelet transform characteristics, Morlet wavelet may be used to identify the locations of damages in the structures. The numerical case studies show that this method can be applied to detect the damage location under a controlled sweeping load.