我国从1958年首批铺设轨枕板线路以来,已有20多年的历史了。1966年已开始成公里地在运输繁忙干线上铺设。由于轨枕板的底面积大,道碴应力小,线路质量高,稳定性好,减小了钢轨应力和线路的沉陷,大大提高了线路的平顺性;另一方面轨枕板采用密排铺设,可以防止道床脏污,减少了繁重的清筛道床的工作,特别是轨枕板线路的维修工作量只有混凝 Since our first laying of the sleeper line in 1958, our country has more than 20 years of history. 1966 has begun to be laid in kilometers of busy transport routes. Because of the large bottom area of ​​the sleeper, ballast stress is small, line quality is high, good stability, reducing rail stress and line subsidence, greatly improving the ride comfort; Prevent dirt on the ballast bed, reducing the heavy clean bed Road bed work, especially the sleeper line repair work only coagulation