Then, the fatigue strength analysis of K-joint is carried out.

然后对管节点进行了疲劳强度分析。

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The planar K-joint is one of the main forms of the joints of the tube structures.

平面K型节点是钢管结构节点主要形式之一。

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For the local buckling failure of brace tube in tubular K-joint experiment, the concept and principle of welding thermo-harm is presented.

针对相贯节点试验中支管屈曲的破坏形式，提出了焊接热损伤的概念和机理。

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