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介绍了高速铁路三跨简支梁桥上无缝线路固定区温度伸缩力的试验研究成果,通过实测及理论计算,分析了温度伸缩力在墩台及钢轨上的分布情况。
This paper introduces the experimental research results of temperature expansion and contraction force in the fixed part of the seamless railway on the three-span simply supported girder bridge of high-speed railway. The distribution of temperature and retraction force on the pier and on the rail is analyzed through field measurements and theoretical calculations.