A Reliability-Based Calibration Study for Upheaval Buckling of Pipelines

[+] Author and Article Information
K. J. Mo̸rk, T. Bjo̸rnsen, A. Venås, F. Thorkildsen

Det Norske Veritas AS, P. O. Box 300, N-1322 Ho̸vik, Norway

J. Offshore Mech. Arct. Eng 119(3), 203-208 (Aug 01, 1997) (6 pages) doi:10.1115/1.2829069 History: Received August 01, 1995; Revised February 19, 1997; Online December 17, 2007


The present paper describes a reliability-based design procedure against upheaval buckling of rock or soil-covered pipelines. The failure mode considered is “snap-through” buckling. The study is performed using state-of-the-art design methodologies, including an assessment of all known uncertainties related to the load and capacity, measurements, surveys, and confidence in the applied models. A response surface technique is applied within the level III reliability analysis. Target safety levels are discussed for both SLS and ULS conditions, and a case-specific reliability-based calibration study is performed in order to derive a consistent design format.

Copyright © 1997 by The American Society of Mechanical Engineers
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