重载铁路大跨度钢桁梁桥面系选择及分析

Railway Standard Design(2014)

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Abstract
为选择适合重载铁路大跨度钢桁梁的桥面系形式,Midas/Civil程序建立有限元空间模型,通过对山西中南部108 m双线下承式钢桁梁两种不同桥面系的理论计算分析和综合比较,得出大跨度钢桁梁桥面系选用密横梁钢桥面板体系,既回避了混凝土桥面板的裂缝控制难题,又减小了结构自重,节约了用钢量,还增加施工过程的安全性。
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