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1、工程概况弹性整体道床位于乌鞘岭特长隧道内,该隧道为两座单线隧道,各长20050m,其中左线弹性整体道床设计时速200km/ h,为目前投入使用标准最高的道床结构。我单位承担左线DK169+566．25～DK174+185,全长4618．75m的整体道床施工任务,管段内线路平面为直线,纵面为11．0‰的下坡。
1, Project Overview Flexible overall track bed is located in Wushaoling tunnel, the tunnel for the two single-line tunnel, each length 20050m, of which the left line elastic overall bed design speed of 200km / h, is currently put into use the highest standard ballast bed structure. My unit assume the left line of DK169 +566.25 ~ DK174 +185, a total length of 4618.75m overall track bed construction tasks, the pipeline section of a straight line, vertical gradient of 11.0 ‰.