PD 6550-3:1989
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
30-11-1989
Foreword
Committees responsible
1. Introduction
2. Collapse types
2.1 What is the designer trying to prevent?
2.2 The method in BS 5500: a summary table
3. Design of cylinders against interstiffener collapse
3.1 Theory and experiment combined
3.2 The derivation of pm
3.3 The derivation of py
4. Overall collapse
4.1 The limit on stiffener total stress
4.2 The calculation of pn
5. Stiffener design
5.1 Sideways tripping
5.2 Limiting proportions
6. Cones
7. Snap-through buckling
7.1 Spheres and hemispherical ends
7.2 Torispherical and ellipsoidal ends
7.3 Cylinders under axial load
8. References
Table
1. Main features of the BS 5500 method
Figures
1. Buckling behaviour of ideal shells
2. Circumferential nodal shapes
3. Modes of collapse
4. Interstiffener collapse of a ring-stiffened
cylinder under external pressure
5. Overall collapse of a ring-stiffened cylinder
under external pressure
6. Snap-through buckling in torispherical heads
7. Elastic buckling stresses in imperfect spheres and
cylinders subject to external pressure, and in
imperfect axially-compressed cylinders
8. Curves for evaluation of allowable pressure p
9. Derivation of the design curve for cylinders and
cones
10. Variation of individual modal buckling pressure
with number of circumferential nodes
11. Displacement definition
12. Values of epsilon (with some of the n values for
the minimum modal pressures
13. Positions where yield stress is reached at
pressures py and pys
14. Bending strains in a stiffener
15. Sideways tripping (of an internal stiffener)
16. Results of collapse tests on torispherical domes
17. Test results for the buckling of thin cylindrical
shells under axial compression
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