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TECHNICAL PAPERS

Buried Pipe Modeling With Initial Imperfections

[+] Author and Article Information
Junes A. Villarraga, José F. Rodrı́guez, Cora Martı́nez

Universidad Simón Bolı́var, Departamento de Mecánica, Apdo. 89000, Caracas, 1080-A, Venezuela

J. Pressure Vessel Technol 126(2), 250-257 (May 05, 2004) (8 pages) doi:10.1115/1.1688369 History: Received February 05, 2003; Revised August 15, 2003; Online May 05, 2004
Copyright © 2004 by ASME
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References

Figures

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Buried pipeline with initial imperfections
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Effect of soil stiffness on the maximum stress developed in the Dongying-Huangdao pipeline for ΔT=60 °C and p=0.69 MPa
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Dongying-Huangdao pipeline layout
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Change of the membrane and bending stress components in the pipe for different pipe-soil interaction models (ΔT=60 °C, p=0.69 MPa,Cn/L=0.005)
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Displacements of the pipe for different pipe-soil interaction models and initial imperfection amplitude (ΔT=60 °C, p=0.69 Mpa)
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Effect of initial imperfections on the maximum stress developed in a buried pipe for different pipe-soil interaction models (ΔT=60 °C, p=0.69 Mpa)
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Effect of different loadings in the maximum stress developed in the buried pipe
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Theoretical imperfect buried pipe
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Euler-Bernoulli beam element
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Section of the buried pipe in the xz-plane

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