铁路无砟轨道CRTSⅢ型板自密实混凝土揭板试验

Introduction for railway CRTSⅢ plate self-compacting concrete plate uncover test

文章主要从原材料选定、配合比初选、实验室及拌和站试拌到线外试验段揭板试验等方面介绍赣深铁路GSSG-4标无砟轨道CRTSⅢ型板自密实混凝土试验并得出一系列经验总结,确保板式无砟轨道充填层施工质量,减少正线施工时的不合格率,避免线上大面积揭板返工造成成本的浪费。

This article mainly introduce Gangshen Railway GSSG-4 CRTSⅢplate self-compacting concrete test from raw material selection,mixture ratio,primary trial mix in lab and mixing station,plate uncover test in outside-line test section and draw a series of experiences,the purpose is to ensure the quality in filling layer construction for CRTS project,reduce the fraction defective during main construction,avoid the waste of rework cost during online plate uncover.