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本文以摩洛哥高铁钢筋混凝土叠合梁设计项目为依托，对欧洲规范和中国《铁路桥涵混凝土结构设计规范》进行了对比研究。首先明确了对比原则及研究目的，保持材料、单项荷载一致，仅荷载组合、验算公式及限值指标按中欧规范相应条文执行，以比较中欧规范验算指标严格程度。然后系统对比了中欧规范在荷载组合、验算内容、原理及限值指标等方面的差异。最后以相对安全裕度为量化指标，对验算结果进行了定量比较。对比发现，欧洲规范对钢筋混凝土叠合梁的验算规定更详细，包含了抗弯承载力、混凝土疲劳等铁路规范没有的验算项。中欧规范在抗剪承载力、裂缝宽度、普通钢筋疲劳的计算原理上均存在显著差异，欧洲规范的受力机理更明确、物理过程更清晰。计算结果表明，中国《铁路桥涵混凝土结构设计规范》的验算指标较欧洲规范更保守。
Abstract：This paper presents a comparative study between Eurocode and the Chinese Code for Design of Concrete Structures of Railway Bridges and Culverts based on the design of a reinforced concrete composite girder for the high-speed railway of Morocco. The comparison principles and research objectives are first clarified for the purpose of comparing the safety margins implied in the verification criteria of the Chinese and European codes， the material properties， and load cases are kept consistent， while only the load combinations， verification formulas， and limit values are applied in accordance with the respective provisions of the two codes. Subsequently， differences between the two codes are examined in terms of load combinations， verification items， verification philosophy， and limit criteria. Finally， quantitative comparisons of the verification results are performed by introducing the relative safety margin as a quantitative indicator. The comparison reveals that Eurocode provides more detailed verification requirements for reinforced concrete composite girder， including verification items such as flexural capacity and concrete fatigue， which are not explicitly specified in the Chinese railway code. There are significant differences between Chinese and European codes in the calculation principles for shear capacity， crack width and reinforcement fatigue. The European code exhibits a more rigorous mechanical behavior and a clearer physical process. The results show that the verification criteria prescribed in the Chinese railway code are found to be more conservative than those in Eurocode.
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基本信息:
中图分类号:U442.5
引用信息:
[1]傅安民,乔晋飞.钢筋混凝土叠合梁的中欧规范设计对比研究[J].铁道建筑().
基金信息:
中国国家铁路集团有限公司科研专项(Z2025-030); 中国铁路设计集团有限公司科技开发课题（2024BTJ011）
2026-10-10
2026-10-10
2026-10-10