重载铁路运输因其运输能力大、效率高、运输成本低而受到世界各国铁路的广泛重视,是铁路运输规模经济和集约化经营的典范,已成为许多国家运输大宗货物最重要运输方式之一。本文概述了重载运输的定义及其发展情况,简要分析了铁路重载运输的影响因素以及呼铁重载运输的模式,从设备技术改造和运输组织相结合的角度,指导重载铁路运输系统的建设。 Heavy-haul railway is widely regarded by all countries in the world because of its high transportation capacity, high efficiency and low transportation cost. It is a model of economy of scale and intensive operation of rail transportation. It has become one of the most important modes of transportation for large-scale transport of goods in many countries . This paper outlines the definition of heavy-haul transport and its development, briefly analyzes the influencing factors of rail heavy haulage and the model of heavy-haul rail transport. From the point of view of the combination of equipment technological transformation and transport organization, it instructs the heavy haul railway system Construction.