贵南高铁膨胀土路基处理措施
Swelling Soil Subgrade Treatment of Gui-nan High-speed Railway
孙和金1
作者信息
- 1. 云桂铁路广西有限责任公司,广西 南宁 530029
- 折叠
摘要
膨胀土路基易被雨水浸泡造成上拱、开裂、变形等病害,直接影响无砟轨道的平顺性及列车运行的安全性,针对贵南高铁广西段膨胀土路基的特性,对工程处理措施进行分析,提出采用脱空式桩板结构方案及对施工工艺优化,彻底解决了由于膨胀土路基胀缩变形引起无砟轨道的各类病害,为后期的运营安全奠定了基础.
Abstract
After the expansive soil subgrade is soaked by rain,it will cause diseases such as overarch,cracking and deformation,which will affect the smoothness of ballastless track and train safety.According to the charac-teristics of the expansive soil subgrade in Guangxi section of Guinan high-speed Railway,the engineering treatment measures are analyzed,and the construction process optimization is proposed by adopting a hol-low pile plate structure scheme.All kinds of diseases of ballastless track caused by swelling and contrac-tion deformation of swelling soil subgrade are solved,which lays a foundation for operation safety in the lat-er stage.
关键词
高速铁路/膨胀土/路基/处理措施Key words
high speed railway/expansive soil/roadbed/handling measures引用本文复制引用
出版年
2024
NETL
NSTL
万方数据