7月30日，两条钢轨在铺轨机械辅助下进行铺设。当日，两条长500米、重60吨的无缝钢轨在广西柳州市青茅站铺轨基地稳稳落下，标志着湘桂铁路扩能改造工程永州至柳州段实现全线铺轨。湘桂铁路永州至柳州段扩能改造工程全长350.7公里，是新建国家I级双线电气化铁路，建成后与既有湘桂单线形成三线并行格局，改变当前这一路段运行速度慢、运输能力紧张的局面。新华社发（张存立 摄） July 30,，Two rail railway in mechanical auxiliary under laid。On that day，Two 500 m long、Heavy 60 tons of seamless rail in liuzhou green grass railway station base down firmly，Marks XiangGui railway capacity improvement project to liuzhou period all yong realize railway。XiangGui yong to liuzhou capacity for railway reconstruction project is a 350.7 km，Is a new state level I double electrified railway，After the completion of the XiangGui wired with both form three line parallel structure，To change the current this stretch slow、The tight transportation capability。The xinhua news agency hair（ZhangCunLi perturbation）

    7月30日，两条钢轨在铺轨机械辅助下进行铺设。新华社发（张存立 摄） July 30,，Two rail railway in mechanical auxiliary under laid。The xinhua news agency hair（ZhangCunLi perturbation）