极端干燥大风地区无砟轨道混凝土裂缝控制

Crack Control of Ballast less Track Concrete in Extremely Dry and Windy Areas

文章通过对兰新第二双线无砟轨道混凝土前期存在的裂缝问题、原因分析、配合比设计及施工控制等方面进行了全面的总结,并将总结经验用于后续的施工中,确保无砟轨道的施工质量。

This paper summarizes the crack problem,cause analysis,mix design and construction control of the concrete of Lanxin No.2 double track ballast less track in the early stage,and applies the experience to the follow-up construction to ensure the construction quality of Ballast less track.