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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.27 No.1
- 발행연도
- 2021.1
- 수록면
- 35 - 52 (18page)
이용수
초록· 키워드
오류제보하기
An automated unmanned aerial vehicle (UAV) based multi-hazard performance assessment system was developed to respond to rapid performance evaluation and performance prediction needs for river crossing reinforced concrete (RC) bridges. In the developed system, firstly the seasonally acquired UAV measurements were used to obtain the three-dimensional (3D) digital elevation models (DEMs) of the river bed. In conjunction with the flood simulation, the hydraulic model was verified with the previous flood event which corresponded to Q50 and the scour depths after a probable flood (Q500) were predicted by HEC-RAS software. Afterward, the 3D finite element model (FEM) of the bridge was constituted automatically with the developed code considering the scoured piles. The flood loads were exerted on the modeled bridge with regard to the HEC-RAS flood inundation map and relevant water depth estimations around the bridge piers. For the seismic evaluation, nonlinear time history analyses (THA) were conducted by using several scaled earthquake acceleration records that were acting in both principal axes of the bridge simultaneously as compatible with the region seismicity. The Boğaçay-II Bridge that was located in Antalya, Turkey was selected as the case study. In the analyses, as the scour depth increased, the lateral displacements and the pile internal forces were observed to increase while the pier column internal forces kept approximately constant. Thus, it was monitored that the seismic displacement and load demands migrated from pier columns to piles with increasing scour. Therefore, the applicability of the proposed system was verified using the case study bridge.
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참고문헌 (79)
참고문헌 신청
AASHTO / 2014 / AASHTO LRFD bridge design specifications, Transportation (Amst) / American Association of State Highway and Transportation Officials, Inc
AASHTO / 2017 / AASHTO LRFD Bridge Design Specifications
Alipour, A. / 2010 / Evaluation of uncertainties associated with design of highway bridges considering the effects of scouring and earthquake / Proceedings of Structures Congress :288~297
ASCE / 2016 / ASCE/SEI 7-16, Minimum design loads and associated criteria for buildings and other structures / American Society of Civil Engineers
ASCE / 2017 / ASCE/SEI 41-17, Seismic evaluation and retrofit of existing buildings / American Society of Civil Engineers
AASHTO / 2017 / AASHTO LRFD Bridge Design Specifications
Alipour, A. / 2010 / Evaluation of uncertainties associated with design of highway bridges considering the effects of scouring and earthquake / Proceedings of Structures Congress :288~297
ASCE / 2016 / ASCE/SEI 7-16, Minimum design loads and associated criteria for buildings and other structures / American Society of Civil Engineers
ASCE / 2017 / ASCE/SEI 41-17, Seismic evaluation and retrofit of existing buildings / American Society of Civil Engineers
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