On Pipeline Bending at the Seabed

[+] Author and Article Information
A. H. Mousselli

Applied Offshore Technology, Inc., Houston, Tex. 77092

J. Energy Resour. Technol 101(3), 203-205 (Sep 01, 1979) (3 pages) doi:10.1115/1.3446920 History: Received May 29, 1979; Online August 19, 2010


Analysis is presented on stresses in a pipeline caused by bottom irregularities during installation and by trenching operations. The governing equations are described in non-dimensional forms, and results of the computer solutions are presented in terms of general dimensionless graphs, so they may be applied directly to various problems. It is found that the magnitude of the maximum stress is substantially different when the pipe span end conditions are changed. Further, the inclusion of axial tension considerably alters stresses in the pipe spans. This becomes particularly significant in some pipe installations where elevated bottom tensions are required.

Copyright © 1979 by ASME
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