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chao kuan yu ying li hun ning tu xiang liang de kong jian xiao ying yan jiu
Author(s): 
Pages: 37-39
Year: Issue:  8
Journal: Urban Roads Bridges & Flood Control

Keyword:  宽箱梁空间效应剪力滞;
Abstract: 超宽箱梁存在明显的空间效应,主要变现为各条腹板受力的不均衡和明显的剪力滞效应.为了研究空间效应对箱梁纵向受力的影响,以一联变幅超宽预应力混凝土连续箱梁为例,采用空间实体有限元模型进行了计算,分析了箱梁各条腹板的受力差异性和箱梁截面的剪力滞效应,得出了一些有益的结论,有关经验可供相关专业人员参考.
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