无砟轨道双块式轨枕色差成因分析

Cause Analysis of Color Difference of Ballastless Track Double Block Sleeper

本文针对新建云桂铁路轨枕预制过程中轨枕混凝土出现色差问题,从混凝土养护方案、坍落度、水泥组分、养护方式及温湿度等多个方面着手阐述了导致双块式轨枕色差的成因。

Aiming at the problem of color difference in the precast of sleepers in Yunnan-Gui railway, this paper discusses the concrete maintenance scheme, slump and cement composition. The cause of color difference caused by double-block sleeper is explained from maintenance mode and temperature and humidity.