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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.15 No.3
- 발행연도
- 2015.1
- 수록면
- 645 - 663 (19page)
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초록· 키워드
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Recently, an indirect displacement estimation method using data fusion of acceleration andstrain (i.e., acceleration-strain-based method) has been developed. Though the method showed goodperformance on beam-like structures, it has inherent limitation in applying to more general types of bridgesthat may have complex shapes, because it uses assumed analytical (sinusoidal) mode shapes to map themeasured strain into displacement. This paper proposes an improved displacement estimation method thatcan be applied to more general types of bridges by building the mapping using the finite element model ofthe structure rather than using the assumed sinusoidal mode shapes. The performance of the proposedmethod is evaluated by numerical simulations on a deck arch bridge model and a three-span truss bridgemodel whose mode shapes are difficult to express as analytical functions. The displacements are estimatedby acceleration-based method, strain-based method, acceleration-strain-based method, and the improvedmethod. Then the results are compared with the exact displacement. An experimental validation is alsocarried out on a prestressed concrete girder bridge. The proposed method is found to provide the bestestimate for dynamic displacements in the comparison, showing good agreement with the measurements aswell.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Ahmet Can Altuni sik / 2012 / Seismic safety assessment of eynel highway steel bridge using ambient vibration measurements / Smart Structures and Systems, An International Journal 10(2):131~154
Atkinson, K. E. / 2008 / An introduction to numerical analysis / John Wiley & Sons
Khaldoon A. Bani-Hani / 2008 / Health monitoring of a historical monument in Jordan based on ambient vibration test / Smart Structures and Systems, An International Journal 4(2):195~208
Ç elibi, M. / 2000 / GPS in dynamic monitoring of long-period structures / Soil Dyn. Earthq. Eng 20:477~483
조수진 / 2014 / Extension of indirect displacement estimation method using acceleration and strain to various types of beam structures / Smart Structures and Systems, An International Journal 14(4):699~718
Atkinson, K. E. / 2008 / An introduction to numerical analysis / John Wiley & Sons
Khaldoon A. Bani-Hani / 2008 / Health monitoring of a historical monument in Jordan based on ambient vibration test / Smart Structures and Systems, An International Journal 4(2):195~208
Ç elibi, M. / 2000 / GPS in dynamic monitoring of long-period structures / Soil Dyn. Earthq. Eng 20:477~483
조수진 / 2014 / Extension of indirect displacement estimation method using acceleration and strain to various types of beam structures / Smart Structures and Systems, An International Journal 14(4):699~718
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