10Xue M D, Li D F, Hwang K C. A Thin Shell Theoretical Solution for Two Intersection Cylindrical Shells Due to External Branch Pipe Moments[J]. Journal of Pressure Vessel Technology, 2005,127, Nov.
4CAO Y G, SHI Y J,ZHANG S H, et al. Research on strength degradation of oil transmission pipeline by third - party damages [J] .Engineering Failure Analysis, 2010,17(4) :992 - 1007.
5MD CHAPETH, JL OTEGUI, C MANFREDI, et al. Full scale ex- perimental analysis of stress states in sleeve repairs of gas pipelines [J] .International Joumal of Pressure Vessels and Piping, 2001,78 (5) :379 - 387.
