Research Article
Jun 1969
Analysis of Tunnel Liner-Packing Systems
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VIEW THE REPLYPublication: Journal of the Engineering Mechanics Division
Volume 95, Issue 3
Abstract
A method is developed for analysis of cylindrical tunnel liner-packing systems subjected to transient loads. The continuous system is replaced by a discrete model consisting of axially deformable straight bars connected by flexible joints. The packing material is replaced by a radial spring at each joint. Force-deformation equations are derived for elastic and inelastic behavior of all elements. An averaging process is used to permit determination of the interaction of thrusts and bending moments in the inelastic range. The equations of motion for each point mass are solved by numerical integration. A computer program which utilizes the procedure is described. A procedure for selecting the time interval for numerical integration is given. Typical results for various numbers of mass points in the model are presented.
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Published In
Journal of the Engineering Mechanics Division
Volume 95 • Issue 3 • June 1969
Pages: 679 - 693
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Jun 1969
Published online: Feb 3, 2021
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Authors
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William P. Dawkins, AM.ASCE
Asst. Prof. of Civ. Engrg., The Univ. of Texas, Austin, Tex.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.