For the T-fillet weld, there are high stress, difficult to weld, more defects and easy to be corroded in vertical oil tank, which is often neglected.

大型立式油罐t形角焊缝部位应力高，施工难度大，焊缝存在缺陷多，容易受到腐蚀，而且常被忽视。

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The basic stress of T-fillet weld is analyzed, the safe measures for it in design, welding and corrosion control are presented.

分析了T形角焊缝部位的基本受力状况，对该部位容易出现的问题进行了分析，从设计、焊接、防腐等方面提出了应对措施。

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