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TECHNICAL PAPERS

Bending Moment Capacity of Pipes

[+] Author and Article Information
So̸ren R. Hauch, Yong Bai

American Bureau of Shipping, Offshore Technology Department, Houston, TX 77060-6008

J. Offshore Mech. Arct. Eng 122(4), 243-252 (May 12, 2000) (10 pages) doi:10.1115/1.1314866 History: Received January 01, 1999; Revised May 12, 2000
Copyright © 2000 by ASME
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References

Figures

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Examples of bending moment versus curvature relation
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Pipe cross-sectional deformation of pipes subjected to single loads
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Pipe cross section with stress distribution diagram (dashed line) and idealized stress diagram for plastified cross section (full line)
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Model example of buckled/collapsed pipe section
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Moment capacity as a function of diameter over wall thickness for a pipe subjected to pure bending
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Limit longitudinal force as a function of diameter over wall thickness for a pipe subjected to pure tensile force
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Collapse pressure as a function of diameter over wall thickness for a pipe subjected to pure external overpressure. Initial out-of-roundness f0 equal to 1.5 percent.
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Bursting pressure as a function of diameter over wall thickness for a pipe subjected to pure internal overpressure
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Limit bending moment surface as a function of pressure and longitudinal force
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Limit bending moment surface as a function of pressure and longitudinal force including cross sections for which comparison between analytical solution and results from finite element analyses has been performed
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Normalized bending moment capacity as a function of pressure. No longitudinal force is applied.
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Normalized bending moment capacity as a function of longitudinal force. Pressure equal to zero.
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Normalized bending moment capacity as a function of longitudinal force. Pressure equal to 0.8 times Haagsma’s collapse pressure, Eq. (5).
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Normalized bending moment capacity as a function of longitudinal force. Pressure equal to 0.9 times the plastic buckling pressure, Eq. (4).

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