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Shear Buckling of Orthogonally Stiffened, Infinitely Long Simply-Supported Plates–Stiffeners having Torsional and Flexural Rigidities

Published online by Cambridge University Press:  07 June 2016

K. C. Rockey  and
I. T. Cook
K. C. Rockey
Affiliation:
University of Wales, University College, Cardiff
I. T. Cook
Affiliation:
University of Essex
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Summary

The paper presents a solution to the buckling under shear stress of infinitely long plates orthogonally reinforced by stiffeners having both flexural and torsional rigidity. Each family of stiffeners is assumed to consist of equally spaced identical stiffeners. Numerical results are given for the case of a plate with transverse stiffeners and a central longitudinal stiffener for the following three cases:

  • (i) Transverse and longitudinal stiffeners of closed tubular cross-section.

  • (ii) Transverse stiffeners of closed tubular cross-section, longitudinal stiffeners possessing only flexural rigidity.

  • (iii) Transverse stiffeners possessing only flexural rigidity, the longitudinal stiffeners being of closed tubular cross-section.

Relationships between the buckling stress parameter K and the flexural rigidity parameter γ of the stiffeners are presented for each of the three cases when the identical transverse stiffeners are placed at spacings of d, 0·8d and 0·5d, where d is the depth of the webplate.

Case (i) has provided values of the buckling coefficient K for finite rectangular plates clamped on three edges and simply-supported on the remaining edge.

Type
Research Article
Information
Aeronautical Quarterly , Volume 20 , Issue 1 , February 1969 , pp. 75 - 87
Copyright
Copyright © Royal Aeronautical Society. 1969

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References

1. Rockey, K. C. and Cook, I. T. Shear buckling of clamped and simply-supported infinitely long plates reinforced by transverse stiffeners and a central longitudinal stiffener. Aeronautical Quarterly, Vol. XIII, pp. 95–114, May 1962.CrossRefGoogle Scholar
2. Cook, I. T. and Rockey, K. C. Shear buckling of clamped and simply-supported infinitely long plates reinforced by transverse stiffeners. Aeronautical Quarterly, Vol. XIII, pp. 41–70, February 1962.CrossRefGoogle Scholar
3. Cook, I. T. and Rockey, K. C. Shear buckling of rectangular plates with mixed boundary conditions. Aeronautical Quarterly, Vol. XIV, pp. 349–356, November 1963.CrossRefGoogle Scholar
4. Stein, M. and Neff, J. Buckling stress of simply-supported rectangular flat plates in shear. NACA TN 1222, 1947.Google Scholar
5. Budiansky, B. and Connor, R. W. Buckling stresses of clamped rectangular flat plates in shear. NACA TN 1559, 1948.Google Scholar
6. Cook, I. T. and Rockey, K. C. Shear buckling of clamped and simply-supported infinitely long plates reinforced by closed-section transverse stiffeners. Aeronautical Quarterly, Vol. XIII, pp. 212–222, August 1962.CrossRefGoogle Scholar