Behavior of Cylindrical Shells Subjected to Support Settlements
Publication: Journal of Structural Engineering
Volume 114, Issue 4
Abstract
Results of an experimental investigation on a single‐span cylindrical shell roof subjected to vertical support settlement are presented. Due to rotations associated with vertical support settlement, the diaphragm tries to move horizontally in the transverse direction by as much as 0.20 of the vertical support settlement. If the support conditions of the shell are such that this movement in the transverse direction is permitted, the shell can withstand large‐support settlements without appreciable additional stresses. On the other hand, if this movement is prevented because of practical support conditions, large stresses both in the edge beam and the shell are developed. A practical example under different sets of support conditions is analyzed. Support conditions for a statically and externally determinate cylindrical shell roof that would permit the shell to undergo large vertical support settlements without any appreciable stresses in the shell are proposed.
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References
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Larras, P. J. (1952). “Etudes en vraie grandeur sur la resistance des voiles cylindriques autoportrants aux denivellations d'appuis.” Travaux, 213, Jul., 313–318 (in French).
2.
Kostem, C. N., and Garrabrant, M. E. (1977). “The effects of vertical support settlements on cylindrical shells.” IASS Conference on Light‐Weight Shell and Space Structures for Normal and Seismic Zones, Alma‐Ata, USSR, 187–191.
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Prasada‐Rao, A. (1979). “Effects of support settlements on stresses in cylindrical shell roofs,” thesis presented to the Indian Institute of Technology, at Madras, India, in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
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Srinivasa‐Rao, P., and Prasada‐Rao, A. (1979a). “Influence of corner settlements on stresses in multispan multibarrel cylindrical shells.” IASS Conference on Shell and Spatial Structures, Madrid, Spain, 4.49–4.61.
5.
Srinivasa‐Rao, P., and Prasada‐Rao, A. (1979b). “Effects of support settlements in cylindrical shells fixed at one end.” World Conference on Computer Applications in Civil Engineering, Roorkee, India, IV‐97–IV‐102.
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Srinivasa‐Rao, P., and Prasada‐Rao, A. (1986). “Support settlements in continuous cylindrical shell roofs.” J. Struct. Engrg., ASCE, 112(ST8), 1781–1796.
Information & Authors
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Published In
Journal of Structural Engineering
Volume 114 • Issue 4 • April 1988
Pages: 931 - 941
Copyright
Copyright © 1988 ASCE.
History
Published online: Apr 1, 1988
Published in print: Apr 1988
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