Probabilistic-based collapse failure mechanism analysis and ultimate bearing capacity evaluation for deep-sea pipelines with random combined defects of geometrical imperfections and corrosion

Key Points

• Pipeline collapse failure mechanisms are influenced by geometrical imperfections and corrosion, affecting safety.
• The study quantified ultimate bearing capacity under probabilistic conditions for various defect scenarios.
• Analysis utilized a probabilistic framework that incorporated random geometrical imperfections and corrosion data.
• Findings offer insights into pipeline design, though further real-world validation is required for enhanced safety.