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Buckling of continuously supported hinged beamsThe effect on the buckling load of a hinge at the center of an infinite beam supported by a semiinfinite elastic continuum is analyzed using the complex Fourier transforms. An expression is obtained for the relationship between the surface deflection of the elastic continuum and the pressure distribution acting on the surface, and solutions are obtained for the assumed form of the pressure distribution below the beam. The analysis is applied to cases of uniform pressure over the width of the beam and a pressure distribution that occurs below a rigid stamp. The results show that the buckling loads for an infinite beam with a hinge at the center and supported by a semiinfinite elastic continuum are approximately one half of those for a beam without a hinge, and that this ratio is exactly one half for an infinite beam resting on a Winkler foundation.
Document ID
19750051041
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Murthy, G. K. N.
(New York City, Department of Health, Education, and Welfare, New York N.Y., United States)
Date Acquired
August 8, 2013
Publication Date
June 1, 1975
Subject Category
Structural Mechanics
Accession Number
75A35113
Funding Number(s)
CONTRACT_GRANT: NGL-33-016-067
Distribution Limits
Public
Copyright
Other

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