Subsequently, the effects of subgrade freeze-thaw condition, running speed and width of rail gap on the vibratoryload from trains were investigated.
据此，研究了北麓河试验段路基冻融状态、列车行驶速度、轨缝宽度对路基列车行驶振动荷载的影响。
2
SPVC (Soft Polyvinyl-chloride): Using this elastron for jacket manufacturing ensures the sufficient flexibility of the cable construction and additional decrease of vibratoryload.