| 青藏铁路格拉段高立式沙障防风固沙效果研究 |
| |
| 引用本文： | 刘世海,冯玲正,许兆义.青藏铁路格拉段高立式沙障防风固沙效果研究[J].铁道学报,2010,32(1). |
| |
| 作者姓名： | 刘世海 冯玲正 许兆义 |
| |
| 作者单位： | 1. 北京交通大学,土木建筑工程学院,北京,100044
2. 青海省水利水电科学研究所,青海,西宁,810001 |
| |
| 基金项目： | 北京交通大学科研基金 |
| |
| 摘 要： | 青藏铁路格拉段线路全长1 140 km,沿线冻融侵蚀、风力侵蚀和水力侵蚀交替出现,遭受轻度以上风力侵蚀的路段长约260 km.铁路未通车前,在秀水河段已出现集沙掩埋轨枕的现象,风沙危害严重地影响行车安全.风蚀防治工程不仅保护铁路免遭风蚀危害,同时对保护当地的生态环境具有重要的作用.本文对高立式沙障的防护效果进行观测分析,结果表明,高立式沙障具有显著的防护效果,使路基免于风沙危害.特别是高立式沙障的多排布设构成的综合防护体系,防风蚀效果显著,从阶梯式集沙仪的观测结果来看,它可使风蚀量明显降低.
|
| 关 键 词： | 青藏铁路 路基 风沙危害 高立式沙障 效果 |
Study on Effect of Wind Erosion Controlling in the Geerm-Lahsa Section of the Qinghai-Tibet Railway |
| |
| LIU Shi-hai,FENG Ling-zheng,XU Zhao-yi.Study on Effect of Wind Erosion Controlling in the Geerm-Lahsa Section of the Qinghai-Tibet Railway[J].Journal of the China railway Society,2010,32(1). |
| |
| Authors: | LIU Shi-hai FENG Ling-zheng XU Zhao-yi |
| |
| Institution: | LIU Shi-hai1,FENG Ling-zheng2,XU Zhao-yi1(1.School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China,2.Institute of Water Resources , Hydropower Research of Qinghai Province,Xining 810001,China) |
| |
| Abstract: | The Geerm-Lhasa Section of the Qinghai-Tibet Railway is 1 140 km long.Frozen-thaw erosion,wind erosion and soil and water erosion occur alternately along the railway line,and about 260 km section suffers from light wind erosion.Before the railway is open to traffic,there was the phenomenon of sand burying crossties in the sections along the Xiushui Riverside.Wind and sand hazards affected train running safety seriously.Wind erosion controlling projects protect railway operation from wind erosion and play an... |
| |
| Keywords: | the Qinghai-Tibet Railway road bed wind-sand hazard upright-concrete sand fence effect |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
