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宽幅空心板浅铰结构在横向联接方面具有天生缺陷,如何加固宽幅空心板以提高其整体性及动力特性,成为一个非常重要的问题。文中采用加厚桥面铺装及板底横向粘贴钢板带并在铰缝处设置角钢2种方式横向加固空心板梁并验证其对提高结构动力特性效果。结果证明:桥面铺装加厚法对提高结构动力性能有一定作用,钢板带及角钢横向加固空心板法效果不明显。
The wide hollow plate shallow hinge structure has the inherent defects in the transverse connection. How to reinforce the wide hollow plate to improve its integrity and dynamic characteristics has become a very important issue. In this paper, two methods are adopted to reinforce the hollow slab beam with thick deck decking and bottom horizontal gluing steel strip and setting angle steel at the hinge joints to verify its effect on improving structural dynamic characteristics. The results show that the decking method of bridge deck has a certain effect on improving the dynamic performance of the structure, and the effect of horizontal slab reinforcement with steel plate and angle steel is not obvious.