长大铁路隧道内双块式无砟轨道施工技术

On double-block ballastless track construction technology of Chang-Da railway tunnel

阐述了长大铁路隧道内双块式无砟轨道的施工技术,着重研究解决长大隧道内曲线段无砟轨道结构尺寸控制、物流组织等施工难题,保证了长大隧道内无砟轨道高精度、快速度的施工要求。

The paper illustrates the construction technology of double-block ballastless track of Chang-Da railway tunnel,mainly researches the construction problems,including the size control and the logistic control of the ballastless track construction technology in the curve section of Chang-Da railway tunnel,and ensures the accuracy and speedy construction of the ballastless track of Chang-Da railway tunnel.