Fracture analysis of girth welded pipelines with 3D embedded cracks subjected to biaxial loading conditions

• Main Authors: Yi, Dake., Xiao, Zhong Min., Idapalapati, Sridhar., Kumar, Shashi Bhushan.
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2013
• Online Access: https://hdl.handle.net/10356/102357; http://hdl.handle.net/10220/11175
• Institution: Nanyang Technological University

Steel pipelines used for oil and gas transportation are joined by girth welding and welds may contain weld imperfections/defects such as lack of fusion, under-cuts, porosity, slag inclusion etc. of certain height and length at certain location along the longitudinal direction of the weld. During the...