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新建转体T构上跨桥施工对既有铁路路基安全影响分析

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鲁南高铁蓼河特大桥2×56mT构上跨京沪高铁路基,为准确分析新建鲁南高铁桥梁对既有京沪高铁路基的安全性影响,采用midas gts建立有限元模型进行安全评估,结果表明:新建T构桥对既有铁路路基的变形影响满足规范要求.
Analysis of the Impact of the Construction of a New Swivel T-shaped Bridge on the Safety of Existing Railway Roadbeds
The 2x56mT structure of the Lunan high-speed railway bridge is built on the Beijing-Shanghai high-speed railway foundation.In order to accurately analyze the safety impact of the new Lurun High-Speed Railway bridges on the existing Beijing-Shanghai High-Speed Railway foundation,a finite element model was established using Midas GTS for safety evaluation.The results show that the deformation effects of the new T-shaped bridge on the existing railway foundation and the impact on the track smoothness caused by foundation deformation both meet the regulatory requirements.

T structurehigh-speed railwayroadbed

马燕敏

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山东华信交通工程咨询有限公司,山东 济南 250000

T构 高速铁路 路基

2024

全面腐蚀控制
中国工业防腐蚀技术协会

全面腐蚀控制

影响因子:0.278
ISSN:1008-7818
年,卷(期):2024.38(6)