摘要
以200 km/h时速客货共线128 m钢管混凝土拱为研究对象,采用空间有限元分析模型,计算了桥梁的自振特性,详细探讨了横撑刚度和拱肋截面形式对桥梁自振特性的影响,评价了桥梁的动力性能和列车运行的安全性与舒适性。
The natural vibration property of a steel tube concrete arch with 128 m span on 200 km/h mixed passenger and freight railway is analyzed using 3D finite element model. The influence of lateral brace stiffness and arch lib section type on the natural vibration property of the bridge is also studied. The dynamic properties of the bridge and the running safety of train and the riding comfort of passenger are assessed in detail.
出处
《山西建筑》
2009年第18期302-304,共3页
Shanxi Architecture
关键词
钢管混凝土拱
自振特性
横撑
拱肋
动力性能
steel tube concrete arch, natural vibration property, lateral brace, arch rib, properties of vibration
作者简介
郭波（1970-），男，高级工程师，中铁第一勘察设计院集团有限公司，陕西西安710043
