摘要
研究目的:武广客运专线武汉综合试验段CRTⅠS型板式无砟轨道,是我国首次整区段铺设的速度350 km/h的板式无砟轨道结构形式。通过对施工测量、轨道板精调、砂浆制备与灌注等关键技术的研究,总结出一套有效适合国情的Ⅰ型板式无砟轨道施工工艺和与之相配套的施工设备,为今后类似工程施工提供借鉴。研究结论:通过试验段的初步动车试验,速度达到351 km/h,试验验证CRTSⅠ型板式无砟轨道施工技术是成功的。采用三角规和小型龙门架对轨道板进行精调速度快、精度高,调整后的轨道板板顶面高程偏差小于1 mm,轨道板中心线与凸形挡台中心线偏差小于1 mm,轨道板与挡台的间隙差小于5 mm,两轨道板的高低和方向平顺性均小于2 mm,该项技术可在CRTSⅠ型板式无砟轨道施工中推广应用。
Research purposes： The CRTS Ⅰ Slab Track in the experimental section of Wuhan - Guangzhou Passenger Dedicated Line is the first time to be used on the 350 km/h railway line in China. Through doing the researches on the technologies of track measurement, fine adjustment of track slab, mortar fabricating and grouting, a set of suitable construction technologies and equipments for laying CRTS Ⅰ Slab track has been summarized for providing the experience to the similar works in future. Research conclusions：The EMU test with the speed of 351 km/h on the experimental line shows the all properties of the slab track satisfy the design requirements and the key technologies for laying the CRTS Ⅰ Slab Track is successful. The triangular compass and portal frame are used for fine adjusting the slab with fast speed and high accuracy. After adjustment, the elevation error of the top surface of the slab is less than 1 mm, the error between the central line of the slab and the central line of convex retailing stand is less than 1 mm, the gap error between the slab and retailing stand is less than 5 mm, and the high - low regularity and directional regularity between the slabs are less than 2 mm, so the technology can be widely used for laying the slab track.
出处
《铁道工程学报》
EI
北大核心
2009年第5期28-30,35,共4页
Journal of Railway Engineering Society
作者简介
董冲锋，1967年出生，男，高级工程师。
