Analysis of Static Strength for Tubular Joint Reinforced with Collar Casing Pipe

摘要整理

To improve the static strength of tubular T-joint, the method of reinforcing with collar casing pipe is proposed. The finite element analysis (FEA) models of reinforced and unreinforced tubular joints built by FEA software (ABAQUS) are calculated to investigate the improving efficiency under axial compression and tension. It is found that collar casing pipe can improve the static strength of tubular joint effectively. Afterwards, based on the mechanism analysis of tubular T-joint models, the failure modes and different performances between reinforced and unreinforced models are clarified.

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