Pipeline Integrity Management Under Geohazard Conditions (PIMG)
Chapter 9 ON ESTIMATING PIPELINES RELIABILITY AT SLOPE CROSSINGS
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Transmission pipelines often traverse land slopes along the right-of-way; whereby some of these slopes might have a potential for instability related movements. In order to analyze the risk of failure of pipelines due to slope movement it is beneficial to establish probabilistic approaches that can quantify the likelihood of failure at each site given both aleatory and epistemic uncertainties. Estimation of such likelihood would support comparison of a pipelines’ safety to reliability targets, validate whether slope management programs are acceptable, and support selection of mitigation alternatives. There is currently a gap in pipeline integrity literature in terms of available...