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tie lu qiao liang zheng jiao yi xing gang qiao mian de pi lao te zheng
Author(s): 
Pages: 44-48
Year: Issue:  1
Journal: WORLD BRIDGES

Keyword:  铁路桥钢桥正交异性桥面板疲劳试验疲劳计算;
Abstract: 研究采用开口加劲肋的铁路钢桥正交异性钢桥面的疲劳特征.通过几个试件的疲劳测试,发现横梁腹板的孔洞形状、剪力以及焊缝熔透深度都是影响疲劳特性的重要因素.正交异性钢桥面的疲劳损伤最容易发生在横梁腹板的孔洞附近,也可能由质量不高的焊缝内的裂纹引起.
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