The depth of the tread makes the I-Beam well suited to loose and medium-packed conditions with deep areas of loose dirt around the edges of the track.
深度使胎面的I -梁适合松散和中型包装条件,深领域的松散的泥土的边缘附近的轨道。
2
The influence of train running speed, wheel-rail friction coefficient, vehicle load, track geometric irregularity, partly load, gauge and the shape of wheel tread on derailment was emphasized.