branch pipe tee

Based on the limit analysis viewpoint, a formula that could be used to estimate the in plane limit moment of welded branch pipe Tee was derived in this paper.

基于极限分析的观点，推导了工业中焊制管道三通在面内弯矩工况下的极限载荷估算式。

Based on the limit analysis viewpoint, a formula that could be used to estimate the out-of-plane limit moment of welded branch pipe tee was derived in this paper.

基于极限分析的观点，推导出面外弯矩作用下焊制三通的极限载荷估算公式。

Developed excogitates of two decumbence and one horizontal molding die realized the increasing height of branch pipe of heat pressure tee.

研发出了两个横梁和一个水平成型模具，实现了热压三通支管高度的增加。