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京沪高铁线路设备质量应严格坚持以“静态检查验收,保动态平稳运行”的基本原则,其中曲线作为联调联试前期静态精调工作的重点和难点,精调质量对后期列车的运行品质具有十分重要影响,静态精调质量必须坚持“高标定位”。而联调联试期间是根据轨道动态检测、人工添乘情况对轨道个别晃车处所进行几何尺寸调整,以进一步提高动车的安全性、平稳性和舒适性。动态精调是对轨道状态和精度进一步完善、提高的过程,使轨道精度全面达到高速行车条件。然而,随着列车荷载的不断冲击和线路基础的自然沉降等因素,曲线病害也不断的出现,根据不同类型的病害,需制定相应的整治方案。
The equipment quality of the Beijing-Shanghai high-speed railway should be strictly adhered to the basic principle of “static check and acceptance, keep the dynamic operation ”, in which the curve is taken as the focus and difficulty of the static fine adjustment of the pre-commissioning test, Running quality has a very important impact, static fine quality adjustment must adhere to “high standard positioning ”. The joint commissioning test period is based on track dynamic detection, artificial Tim addition of track geometry of individual detour cars premises to further improve the safety, stability and comfort of the motor car. Dynamic fine tuning is to further improve the track status and accuracy, improve the process, so that the track accuracy fully meet the high-speed driving conditions. However, with the continuous impact of train load and the natural settlement of the line foundation and other factors, the curve of disease also continue to appear, according to different types of diseases, the need to develop appropriate remediation programs.