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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.12
- 수록면
- 2,939 - 2,948 (10page)
- DOI
- https://doi.org/10.1016/j.net.2020.05.032
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초록· 키워드
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This paper presents an analytic solution procedure of the rotationally restrained hinged-hinged beamsubjected to transverse motions at supports based on EBT (Euler-Bernoulli beam theory). The EBT solutions are compared with the solutions based on TBT (Timoshenko beam theory) for a wide range of therotational restraint parameter (kL=EI) of slender beams whose slenderness ratio is greater than 100. Thecomparison shows the followings. The internal loads such as bending moment and shearing force of anextremely thin beam obtained by EBT show a good agreement with those obtained by TBT. But thediscrepancy between two solutions of internal loads tends to increase as the slenderness ratio decreases.
A careful examination shows that the discrepancy of the internal loads originates from their dynamiccomponents whereas their static components show a little difference between EBT and TBT. This resultsuggests that TBT should be employed even for slender beams to consider the rotational effect and theshear deformation effect on dynamic components of the internal loads. The influence of the parameteron boundary conditions is examined by manipulating the spring stiffness from zero to a sufficiently largevalue
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참고문헌 (29)
참고문헌 신청
김용우 / 2020 / Vibrations of rotationally restrained Timoshenko beam at hinged supports during an earthquake / Nuclear Engineering and Technology 52(5):1066~1078
K. R. Chun / 1972 / Free vibration of a beam with one end spring-hinged and the other free / J. Appl. Mech 39(4):1154~1155
T. W. Lee / 1973 / Vibration frequencies for a uniform beam with one end springhinged and carrying a mass at the other end / J. Appl. Mech 40(3):813~815
D. A. Grant / 1975 / Vibration frequencies for a uniform beam with one end elastically supported and carrying a mass at the other end / J. Appl. Mech 42(4):878~880
R. C. Hibbeler / 1975 / Free vibrations of a beam supported with unsymmetrical spring-hinges / J. Appl. Mech 42(2):501~502
K. R. Chun / 1972 / Free vibration of a beam with one end spring-hinged and the other free / J. Appl. Mech 39(4):1154~1155
T. W. Lee / 1973 / Vibration frequencies for a uniform beam with one end springhinged and carrying a mass at the other end / J. Appl. Mech 40(3):813~815
D. A. Grant / 1975 / Vibration frequencies for a uniform beam with one end elastically supported and carrying a mass at the other end / J. Appl. Mech 42(4):878~880
R. C. Hibbeler / 1975 / Free vibrations of a beam supported with unsymmetrical spring-hinges / J. Appl. Mech 42(2):501~502
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