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速度目标值是铁路技术标准中最关键、最重要的技术参数,其内涵决定了基础设施、设备及各项配套设施的选择。从怀化至邵阳至衡阳铁路时间目标值的确定、速度目标值选择的原则、速度目标值方案综合比选等方面研究了怀邵衡铁路速度目标值的选择;综合各方面因素得出新建怀邵衡铁路速度目标值推荐采用200 km/h,预留250 km/h。
The target value of speed is the most critical and important technical parameter of railway technical standards. Its connotation determines the choice of infrastructure, equipment and various ancillary facilities. From Huaihua to Shaoyang to Hengyang railway time to determine the target value, the choice of the speed target value, the speed target value of the comprehensive comparison and selection of programs to study the speed Shao-Heng railway speed target value selection; comprehensively drawn from all aspects of the new Huai Shao The railway speed target value recommended 200 km / h, reserved for 250 km / h.