郑州市宏达街上跨郑焦城际铁路立交方案影响性分析

Analysis of the impact of the interchange scheme across Zhengzhou Jaozhou intercity railway on Hongda street in Zhengzhou city

文章以郑州市宏达街上跨郑焦城际铁路立交工程为例,对宏达街上跨铁路的两种不同转体方案(分幅转体及整幅转体),在施工及投入运营后对铁路的影响进行评估咨询分析。结果表明:两种方案的道路桥梁施工对铁路路基均有一定影响,整幅转体方案横向最大位移为0.614mm,分幅转体方案横向最大位移为0.490mm;整幅转体方案竖向最大位移为-1.984mm,分幅转体方案竖向最大位移为-1.720mm,均满足相关规程要求。

Taking the Zhengzhou Jiaozhou Intercity Railway Interchange Project on Hongda Street in Zhengzhou City as an example,this article evaluates and analyzes the impact of two different rotation schemes(split rotation and full rotation)on the railway after construction and operation.The results show that both road and bridge construction schemes have a certain impact on the railway subgrade.The maximum lateral displacement of the entire rotation scheme is 0.614mm,and the maximum lateral displacement of the split rotation scheme is 0.490mm;the maximum vertical displacement of the entire rotation scheme is-1.984mm,and the maximum vertical displacement of the split rotation scheme is-1.720mm,both of which meet the requirements of relevant regulations.