研究表明，T形接头的角变形沿焊缝长度方向是变化的。
Study showed that angle deformation of T joint is changed along the welded seam length.
用锯子或凿子一起切割固化混凝土管段以及水泥部分，形成奇形接头。
Cut cured concrete pipe sections with saw or chisel, and cement sections together to form odd shaped fittings.
应用abaqus软件，对多道焊T形接头的温度场和应力场进行了数值模拟。
Temperature and stress distribution of multi-pass welded T-joint was simulated using ABAQUS codes. 3-d solid elements were used to mesh the model.
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