摘要
结合工程实际,对拉日铁路的风沙灾害防治技术难题采用"永临结合"的平面工程防沙措施体系,近期以适宜于高原地区的工程措施为主,远期研究以适宜于高寒铁路沿线的植物防沙措施,以解决我国在高海拔地区铁路沙害防护技术难题。
Measures to protect the railway from Lhasa to Xigaze against sandstorms are researched on the basis of outdoor test, plant growth test, a comparison between multiple protection systems, geographical features along the railway, actual dis- asters brought by sandstorms and economic benefits. The best solution to protecting the railway against sandstorms is pro- posed： upright sand fence of ferroconcrete can be built at the outer edge; sand dune fixation can be adopted for areas with changeable wind, interdune areas and the surface of mobile and semi-fixed dunes; the surface of fixed dunes can be covered by gravels. Sand resistance and fixation should be implemented simultaneously with digging wells and sumps, fixing up canals and pipeline network to get ready for ecological protection by plants.
出处
《地质灾害与环境保护》
2014年第2期96-103,共8页
Journal of Geological Hazards and Environment Preservation
关键词
拉日铁路
风沙路基
防护施工
La-ri railway
sandstorm
engineering protection
ecological protection
