第二种是产生于立柱翼缘与主梁翼缘连接处的坡口焊缝焊趾处的裂纹。
The second crack is a crack originating at the groove weld toe of the column flange-girder flange connection.
在上翼缘处有足够的松动，因而在主梁腹板上并不会引起很大的相对扭转。
At the top flange there would be enough slack so that no relative twist of any significant magnitude would be introduced into the girder web.
分析表明，主梁下风侧附加翼板对悬索桥颤振是一种有效的气动控制措施。
The analysis shows that the additional surface attached below the trailing edge is an effective aerodynamic means for suppressing the flutter of suspension Bridges.
分析表明，主梁下风侧附加翼板对悬索桥颤振是一种有效的气动控制措施。
The analysis shows that the additional surface attached below the trailing edge is an effective aerodynamic means for suppressing the flutter of suspension Bridges.
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