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.
第一个是传统的刚性金属管柱，通常作为钢悬链线立管（SCR）或顶部张紧立管系统。
The first potential solution would be to use conventional rigid metal piping typically applied as a steel catenary riser (SCR) or a top tensioned vertical riser system.
第一个是传统的刚性金属管柱，通常作为钢悬链线立管（SCR）或顶部张紧立管系统。
The first potential solution would be to use conventional rigid metal piping typically applied as a steel catenary riser (SCR) or a top tensioned vertical riser system.
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