Condition assessment of underground corroded pipelines subject to hydrogen damage and combined internal pressure and axial compression

• Published in: Tunnelling and underground space technology Vol. 142; p. 105389
• Main Authors: Qin, Guojin, Zhang, Zhenwei, Hou, Xiangqin, Lu, Hongfang, Huang, Y., Wang, Yihuan
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.12.2023
• Subjects: Condition assessment; Corrosion; Finite element modeling; Hydrogen damage; Underground pipelines; Underground pipelines; Finite element modeling; Corrosion; Condition assessment; Hydrogen damage

•Assess pipe condition with hydrogen damage, internal pressure and axial compression.•Model stress filed distribution at corrosion defect on pipe with various conditions.•Find competition of hydrogen damage and metal loss in determining failure pressure. In this work, a 3D finite element (FE) based...