高速铁路常用跨度连续结合梁的极限承载力分析

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基金项目:

铁道部科技研究开发项目(2000G006)

THE STUDY OF ULTIMATE BEARING CAPACITY OF THE CONTINUOUS STEEL-CONCRETE COMPOSITE GIRDER WITH COMMON SPANS IN HIGH-SPEED RAILWAY

1.
Civil Engineering Institute of Central_South China University Changsha 410075

摘要: 计算分析了高速铁路常用跨度(40+50+40)m三跨连续结合梁的弹性和塑性极限承载力，并对其不同意义下的安全性作了评价，供设计参考。
- 高速铁路 /
- 连续结合梁 /
- 极限承载力 /
- 安全系数
Abstract: The three-span(40+50+40)m continuous steel-concrete composite girder is commonly used in some bridges of the high-speed railway.In this paper, the elastic ultimate state and plastic ultimate state of the continuous steel-concrete composite girder are studied and its security at different states is also evaluated, which may be a reference for design.
- high_speed railway /
- continuous steel_concrete composite girder /
- ultimate bearing capacity /
- safety factor