采用七种高纤维素型立向下电焊条,通过斜y坡口裂纹实验,对高强管线钢的冷裂敏感性进行实验研究。
The cold cracking sensibility of high tensile pipeline-steel was studied by Ygroove cracking test using seven kinds of high cellulose electrode of vertical down position welding.
研究了钢悬链立管时域非线性动力分析用于疲劳寿命预估。
The time domain nonlinear dynamic analysis of a steel catenary riser was introduced for fatigue life prediction.
结构整体分析的结果表明:在不同工况下,上端点均是刚性立管疲劳分析的特征点,而钢悬链立管疲劳分析的特征点位于触地点区域。
The overall structure research indicates: in fatigue assessment, top end is the key location of rigid riser in different cases, and the TDP is the characteristic point of SCR.
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