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行车速度提高、密度加大或轴重增加,都将加剧路基或线路的变形。高速铁路与重载铁路出现后,养护困难更为突出,而列车间隔短,又限制了养护工作时间。解决这个矛盾只有(一)改变养路体制,(二)修建变形小养护少的线路,以控制路基轨道变形,来保证运量和行车安全。
Increased traffic speed, increased density or increased axle load, will aggravate the deformation of the roadbed or line. After the emergence of high-speed railways and heavy haul railways, the maintenance difficulties are more prominent, and the short train intervals limit the maintenance work time. Solve this contradiction only (a) change the road maintenance system, (b) the construction of small deformation less maintenance lines to control the deformation of the roadbed to ensure the traffic and traffic safety.