Research Article
Oct 1975
Creep and Shrinkage in Reactor Containment Shells
Publication: Journal of the Structural Division
Volume 101, Issue 10
Abstract
The nonuniformity of creep and shrinkage caused by drying, and to a lesser extent by temperature gradients, causes significant self-straining in containment shells. This condition can be of two types: (1) Local, within the cross section of the wall, or (2) global, due to differences in the deformation of the cylindrical shell and foundation slab, or the dome, the ring, and the hoop tendon buttresses. By approximate calculations, in which cracking is neglected, these effects are shown to be quite significant as compared with other loads in service conditions, whose effect is also normally evaluated without consideration of cracking. For quantitative design predictions, the stress relief due to cracking must be considered. By means of a numerical example, it is demonstrated that the age-adjusted effective modulus method permits a very simple analysis of these effects.
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Published In
Journal of the Structural Division
Volume 101 • Issue 10 • October 1975
Pages: 2117 - 2131
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Oct 1975
Published online: Feb 1, 2021
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Authors
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Zdeněk P. Bažant, M.ASCE
Staff Consultant, Sargent & Lundy, Chicago, Ill. and Prof. of Civ. Engrg., Northwestern Univ., Evanston, Ill.
Domingo J. Carreira
Sr. Struct. Engrg. Specialist, Sargent & Lundy, Chicago, Ill.
Adolf Walser
Chf. Struct. Engrg. Specialist, Sargent & Lundy, Chicago, Ill.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.