论文部分内容阅读
焊接长钢轨踏面上０．５ｍｍ的微小低接头，会加速道碴的沉降，并且在低接头缺陷附近区域的恶化，要比其它部位恶化快得多，它会导致轨头上出现大的、肉眼可见的损害。
Welding a tiny, low 0.5 mm joint on a long rail tread accelerates the ballast settling and deteriorates more rapidly in areas around the lower joint defect than other parts and causes a large, Visible damage.