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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.19 No.6
- 발행연도
- 2017.1
- 수록면
- 679 - 694 (16page)
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초록· 키워드
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The complexity, enlargement and irregularity of structures and multi-directional dynamic loads acting on the structures can lead to unexpected structural behavior, such as torsion. Continuous torsion of the structure causes unexpected changes in the structure\'s stress distribution, reduces the performance of the structural members, and shortens the structure\'s lifespan. Therefore, a method of monitoring the torsional behavior is required to ensure structural safety. Structural torsion typically occurs accompanied by displacement, but no model has yet been developed to measure this type of structural response. This research proposes a model for measuring dynamic torsional response of structure accompanied by displacement and for identifying the torsional modal parameter using vision-based displacement measurement equipment, a motion capture system (MCS). In the present model, dynamic torsional responses including pure rotation and translation displacements are measured and used to calculate the torsional angle and displacements. To apply the proposed model, vibration tests for a shear-type structure were performed. The torsional responses were obtained from measured dynamic displacements. The torsional angle and displacements obtained by the proposed model using MCS were compared with the torsional response measured using laser displacement sensors (LDSs), which have been widely used for displacement measurement. In addition, torsional modal parameters were obtained using the dynamic torsional angle and displacements obtained from the tests.
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참고문헌 (35)
참고문헌 신청
Ansari, F. / 1997 / State-of-the-art in the applications of fiberoptic sensors to cementitious composites / Cement Concrete Comp 19(1):3~19
Breuer, P. / 2002 / Application of GPS technology to measurements of displacements of high-rise structures due to weak winds / J. Wind Eng. Ind. Aerod 90(3):223~230
Brincker, R. / 2001 / Modal identification of output-only systems using frequency domain decomposition / Smart Mater. Struct 10(3):441~445
Fabio Casciati / 2011 / Monitoring a steel building using GPS sensors / Smart Structures and Systems, An International Journal 7(5):349~363
Celebi, M. / 2002 / GPS in pioneering dynamic monitoring of long-period structures / Earthq. Spectra 18(1):47~61
Breuer, P. / 2002 / Application of GPS technology to measurements of displacements of high-rise structures due to weak winds / J. Wind Eng. Ind. Aerod 90(3):223~230
Brincker, R. / 2001 / Modal identification of output-only systems using frequency domain decomposition / Smart Mater. Struct 10(3):441~445
Fabio Casciati / 2011 / Monitoring a steel building using GPS sensors / Smart Structures and Systems, An International Journal 7(5):349~363
Celebi, M. / 2002 / GPS in pioneering dynamic monitoring of long-period structures / Earthq. Spectra 18(1):47~61
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