Structural design of closely packed horseshoe-shaped sewer linings during installation |
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| Authors: | S. M. Seraj U. K. Roy M. N. Pavlovi |
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| Affiliation: | a Department of Civil Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh;b Department of Civil Engineering, University of Tokyo, Tokyo 113, Japan;c Department of Civil Engineering, Imperial College of Science, Technology and Medicine, London SW7 2BU, UK |
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| Abstract: | The paper describes the results of a numerical parametric study aimed at studying the structural response of closely packed horseshoe-shaped sewer linings. The effect of various restraint conditions which simulate different temporary support systems that may be used by the contractors during installation of the lining, and of different loading configurations which may arise at different stages of grouting the annulus gap between the lining and the sewer, have been thoroughly investigated. Covering the feasible range of geometric, material and loading parameters, comprehensive design curves — based on the allowable stress-limit, deflection-limit and (approximate) buckling criteria are presented. |
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| Keywords: | Sewer linings Structural analysis Dynamic response Supports Grouting Deflection (structures) Buckling Stress analysis Boundary conditions Deflection limits |
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