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。
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，推导了工业中焊制三通在面内弯矩作用下的极限载荷估算式。
The limit load calculation of welding piping tees under the action of the in plane bending moment was derived based on the limit analysis.
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 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 in plane limit moment of welded branch pipe Tee was derived in this paper.
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