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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 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.30 No.6
- 발행연도
- 2019.1
- 수록면
- 577 - 589 (13page)
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초록· 키워드
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In this study, on-site testing was carried out to investigate the vibration performance of a composite steel-bar truss slab with steel girder system. Ambient vibration was performed to capture the primary vibration parameters (natural frequencies, damping ratios, and mode shapes). The composite floor possesses low frequency (< 10 Hz) and damping (< 2%). Based on experimental, theoretical, and numerical analyses on natural frequencies and mode shapes, the boundary condition of SCSC (i.e., two opposite edges simply-supported and the other two edges clamped) is deemed more reasonable for the composite floor. Walking excitations by one person (single excitation), two persons (dual excitation), and three persons (triple excitation) were considered to evaluate the vibration serviceability of the composite floor. The measured acceleration results show a satisfactory vibration perceptibility. For design convenience and safety, a crest factor βrp describing the ratio of peak acceleration to root-mean-square acceleration induced from the walking excitations is proposed. The comparisons of the modal parameters determined by ambient vibration and walking tests reveal the interaction effect between the human excitation and the composite floor.
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참고문헌 (41)
참고문헌 신청
Altunisik, A. C. / 2011 / Experimental and analytical system identification of Eynel arch type steel highway bridge / J. Constr. Steel Res 67(12):1912~1921
Cao, L. / 2017 / Analytical and experimental studies on the acceleration response of floors induced by human activities
Chen, J. / 2014 / Vibration performance assessment of a long-span concrete floor using filed measurement over a five-year period / Adv. Struct. Eng 17:1145~1158
Cheng, J. Y. / 2013 / Study on short-term rigidity of precast composite slab with steel truss and concrete / Adv. Mater. Res. 639-640:198~205
Colajanni, P. / 2017 / Analytical prediction of the shear connection capacity in composite steel-concrete trussed beams / Mater. Struct 50(1):48
Cao, L. / 2017 / Analytical and experimental studies on the acceleration response of floors induced by human activities
Chen, J. / 2014 / Vibration performance assessment of a long-span concrete floor using filed measurement over a five-year period / Adv. Struct. Eng 17:1145~1158
Cheng, J. Y. / 2013 / Study on short-term rigidity of precast composite slab with steel truss and concrete / Adv. Mater. Res. 639-640:198~205
Colajanni, P. / 2017 / Analytical prediction of the shear connection capacity in composite steel-concrete trussed beams / Mater. Struct 50(1):48
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