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开行超重超长货物列车是铁道运输技术政策的远景规划之一。到1990年货物列车的平均重量应增加500t。这就意味着每年至少要增加100t。由于运输科学研究院的学者和铁路职工协作解决这一课题,使重载运输在不同线路和不同货运量区段得到发展。他们研究和制订出非传统的重载列车编组方式以及列车牵引与制动装置的操纵办法。制动机的有效工作能力仍是确定列车长度和重量的主要标准。在确定牵引重载列车基本要求时,通常是根据制动装置的技术性能决定:在允许的纵向拉伸或压缩冲动力的条件下,保证列车必要的制动平稳性。除此之外,制
One of the long-term plans for the railway transport technology policy is to open overweight and long cargo trains. By 1990 the average weight of freight trains should be increased by 500t. This means adding at least 100t per year. As the scholars from the Academy of Transportation and the railway workers work together to solve this problem, the heavy-haul transport can be developed on different routes and in different cargo traffic sections. They studied and worked out ways of grouping unconventional heavy-haul trains and handling and braking of trains and trains. The effective working capacity of the brake is still the main criterion for determining the length and weight of the train. When determining the basic requirements for towing heavy haul trains, it is usually determined by the technical performance of the braking device that the required braking stability of the train is guaranteed under the permitted longitudinal tensile or compressive impulsive forces. In addition, the system