Uplift Behavior of Pipelines Buried at Various Depths in Spatially Varying Clayey Seabed

The behavior of buried offshore pipelines subjected to upheaval buckling has attracted much attention in recent years. Numerous researchers have made great efforts investigate the influence different soil cover depth ratios, strengths and pipe-soil interfaces on failure mechanisms bearing capacities during pipeline uplift. However, spatial variability been relatively limited. To address this gap, a random small-strain finite element analysis conducted reported paper evaluate distribution strength pipe uplift response. validity numerical model was verified by comparison with results presented previous literature. variation simulated field. effect mechanism determined comparing displacement contours each realization. Probabilistic analyses were performed capacity obtained series Monte Carlo simulations, relationship between probability safety factor also determined. findings present work might serve as reference for designs pipelines.