지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.11
- 수록면
- 1,126 - 1,132 (7page)
이용수
초록· 키워드
오류제보하기
Bridge structures are designed to support ordinary loadings such as vehicles, wind, temperature and current as well as unexpected loadings like earthquakes and storm. Especially, the displacement of Flexible bridges like an suspension bridge under ordinary loading conditions is necessary to be monitored. In case of long span bridges, there are some difficulties in monitoring the displacement of center of the main span using traditional laser displacement sensors. In this study, the static and dynamic displacement responses due to vehicle loadings were measured by DGPS(differential global positioning system) technique. The displacement response data were compared with data obtained from traditional laser displacement sensors so that the static and dynamic behavior of the bridge under vehicle loadings was examined and the applicability of the displacement response measurement using DGPS technique was verified. The static and dynamic loading test for an self-anchored suspension bridge, So-rok Bridge, was performed using vehicles. The displacement response from DGPS technique and that from laser displacement sensors of the bridge monitoring system were compared. The amplitude of white noise from DGPS based measurement was about 7 mm and that of laser displacement sensor based measurement was about 3 mm. On the other hand, dynamic behavior of the center of main span from DGPS based measurement showed better agreement with influence line of the bridge than that from laser displacement sensors. In addition, there were some irregular and discontinuous variation of data due to the instability of GPS receivers or frequent appearance of GPS satellites. Post-processing via the reference station close to an observation post provided by NGII(National Geographic Information Institute) will be a counter-plan for these defects.
목차
등록된 정보가 없습니다.
참고문헌 (13)
참고문헌 신청
1. [학술지(정기간행물)] - 김병화 / 2008 / 카메라를 이용한 구조물의 동특성 추출 / 한국소음진동공학회논문집 18 (12) : 1229 ~ 1236
2. [학술대회논문] - Ashkenazi, V. / 1997 / Monitoring the Movements of Bridges by GPS / Proc 10th Int. Tech. Meeting of the Sat. Div. of the U.S. Inst. of Navigation : 1165 ~ 1172
3. [학술지(정기간행물)] - Guo, J. / 2005 / Application of the Real-time Kinematic Global Positioning System in Bridge Safety Monitoring / Journal of Bridge Engineering 10 (2) : 163 ~ 168
4. [학술대회논문] - Dodson, A. H. / 2001 / Adaptive Method for Multipath Mitigation and Its Applications for Structural Deflection Monitoring / Proc International Symposium on Kinematic Systems in Geodesy, Geomatics and Navigation : 101 ~ 110
5. [학술대회논문] - Fujino, Y. / 2000 / Monitoring System of the Akashi Kaikyo Bridge and Displacement Measurement Using GPS / Proceedings of SPIE, Nondestructive Evaluation of Highways, Utilities, and Pipelines IV : 229 ~ 235
2. [학술대회논문] - Ashkenazi, V. / 1997 / Monitoring the Movements of Bridges by GPS / Proc 10th Int. Tech. Meeting of the Sat. Div. of the U.S. Inst. of Navigation : 1165 ~ 1172
3. [학술지(정기간행물)] - Guo, J. / 2005 / Application of the Real-time Kinematic Global Positioning System in Bridge Safety Monitoring / Journal of Bridge Engineering 10 (2) : 163 ~ 168
4. [학술대회논문] - Dodson, A. H. / 2001 / Adaptive Method for Multipath Mitigation and Its Applications for Structural Deflection Monitoring / Proc International Symposium on Kinematic Systems in Geodesy, Geomatics and Navigation : 101 ~ 110
5. [학술대회논문] - Fujino, Y. / 2000 / Monitoring System of the Akashi Kaikyo Bridge and Displacement Measurement Using GPS / Proceedings of SPIE, Nondestructive Evaluation of Highways, Utilities, and Pipelines IV : 229 ~ 235
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