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GPS 신호 수신 주기에 따른 건물의 동특성 계측 정밀도
김법렬 ( Kim Bub-ryur ),홍정범 ( Hong Jeon-beom ),이홍민 ( Lee Hong-min ),박효선 ( Park Hyo Seon ) 한국구조물진단유지관리공학회 2009 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.13 No.1
In this paper, the feasibility of a measurement technique for wind-induced acceleration level of building structures using GPS is tested. For this purpose, natural frequency and acceleration level of test model in free vibration are evaluated by comparing dynamic responses obatined from accelerometers with responses measured from GPS. Acceleration histories with sampling frequencies of GPS signals from 5 Hz to 20 Hz are used in the comparison.
GPS 신호 수신 주기에 따른 건물의 수평변위 계측 정밀도
김법렬 ( Kim Bub-ryur ),박성우 ( Park Sung-woo ),이홍민 ( Lee Hong-min ),박효선 ( Park Hyo Seon ) 한국구조물진단유지관리공학회 2009 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.13 No.1
In this paper, effect of sampling frequency of GPS signal on monitoring of displacements is examined through the experimentation. To guarantee measurement of the maximum lateral displacement of building structures subjected to lateral forces, sampling frequency of GPS signal is set to be fairy greater than frequency of building structure itself. Displacement histories with sampling frequencies of GPS signals from 1 Hz to 20 Hz are used to compare with the measured maximum lateral displacement of experimental model with the natural frequency of 1 Hz.
20㎐ 수신주기의 GPS를 이용한 다자유도 구조체의 동특성 계측
김법렬(Kim Bub-Ryur),이홍민(Lee Hong-Min),박효선(Park Hyo Seon) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(구조계)
Safety and serviceability of high-rise buildings subjected to wind loads are evaluated in terms of two types of structural responses : maximum lateral displacement and acceleration can be level. A number of researchers have used GPS with relatively lower sampling frequencies to measure structural responses of high-rise buildings. In the researches, The effect of sampling frequencies of GPS on the measurement of structural responses are neglected. In this paper, the measured structural responses from conventional techniques using laser displacement meter sensor and accelerometer sensor and GPS with sampling frequency of 20Hz are compared.
GPS 신호 수신 주기에 따른 건물의 동특성 계측 정밀도
김법렬(Kim, Bub-Ryur),홍정범(Hong, Jeon-Beom),이홍민(Lee, Hong-Min),박효선(Park, Hyo Seon) 한국구조물진단유지관리학회 2009 한국구조물진단학회 학술발표회논문집 Vol.2009 No.1
In this paper, the feasibility of a measurement technique for wind-induced acceleration level of building structures using GPS is tested. For this purpose, natural frequency and acceleration level of test model in free vibration are evaluated by comparing dynamic responses obatined from accelerometers with responses measured from GPS. Acceleration histories with sampling frequencies of GPS signals from 5 Hz to 20 Hz are used in the comparison.
2D 레이저 스캐너를 적용한 건축 구조물의 동특성 계측
김법렬 ( Kim Bub-ryur ),이홍민 ( Lee Hong-min ),이임평 ( Lee Im-pyeong ),박효선 ( Park Hyo Seon ) 한국구조물진단유지관리공학회 2009 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.13 No.2
In this paper, the feasibility of a measurement technique for wind-induced acceleration level of building structures using 2D laser scanner is tested. For this purpose, natural frequency and acceleration level of test model in free vibration are evaluated by comparing dynamic responses obatined from accelerometers with responses measured from 2D laser scanner.
2D 레이저 스캐너를 적용한 건축 구조물의 동특성 계측
김법렬(Kim, Bub-Ryur),이홍민(Lee, Hong-Min),이임평(Lee, Im-Pyeong),박효선(Park, Hyo Seon) 한국구조물진단유지관리학회 2009 한국구조물진단학회 학술발표회논문집 Vol.2009 No.2
In this paper, the feasibility of a measurement technique for wind-induced acceleration level of building structures using 2D laser scanner is tested. For this purpose, natural frequency and acceleration level of test model in free vibration are evaluated by comparing dynamic responses obatined from accelerometers with responses measured from 2D laser scanner.