Treatment process and quality inspection of CFG pile foundation for ballastless track on passenger dedicated line

According to the practice of foundation treatment in Wu-Guang passenger dedicated line,the treatment process and quality inspection of CFG pile foundation were analysed in Yueyang section.The analysis results show: the measurement for treating the soft foundation is reasonable with long spiral dill to pump the mixture and the toe of pile,which can reach the necessary depth.In the course of pile formation,the quality of pile could be guaranted.And after the treatment,the bearing capacity and settlement of the foundation can meet the requirements of ballastless track foundation.