格库铁路柴达木盆地段风沙防护动态设计  

Dynamic Design of Sand Storm Protection in Qaidam Basin of Golmud-Korla Railway

作　　者：冯德泉 FENG Dequan(State Key Laboratory of Rail Transit Engineering Informatization(FSDI),Xi’an 710043,China)

机构地区：[1]轨道交通工程信息化国家重点实验室(中铁一院),西安710043

出　　处：《铁道标准设计》2022年第2期6-11,共6页Railway Standard Design

基　　金：中铁第一勘察设计院集团有限公司科技研究开发项目(2018-66)。

摘　　要：格库铁路是我国西部风沙地区的一条客货共线干线铁路,风沙防护是设计的重点和难点。为使风沙防护设计更有的放矢,提出新建铁路风沙防护动态设计的理念,利用土建工程完工至项目竣工的时间差,进行积沙试验,通过分析积沙特征、发展趋势及对铁路工程的危害情况,有针对性地确定不同段落风沙防护等级和方式,开展动态设计,使设计方案更好地适用于现场风沙危害,有效提高风沙防护的针对性,取得良好的工程效果。另外,在原有新建铁路风沙危害等级划分的基础上,结合现场积沙特点,提出适合新建铁路风沙防护动态设计所需的细化风沙危害程度划分标准,通过实践证明是可行有效的。Golmud-Korla Railway is a mixed passenger and freight trunk railway in the deserts of western China.To improve the efficiency in the design of sand storm protection,the concept of dynamic design for newly-built railways is put forward for the first time,and sand deposit test is carried out by taking advantage of the time difference between the completion of civil works and the project completion.The characteristics,the development trend and the harms of the sand deposit to railway engineering are analyzed so as to determine the level and method of sand storm protection in different sections in a targeted way.On this basis,the dynamic design is carried out to make the design better applicable to site sand storm protection,effectively improve the pertinence of sand storm protection and achieve a successful engineering effect.In addition,on the basis of the original hazard classification of sand storm of newly-built railways and the characteristics of sand storm on site,a more detailed hazard classification standard for the dynamic design of newly-built railways is put forward,which proves to be feasible and effective after practice.

关 键 词：格库铁路 风沙防护 动态设计 危害等级 积沙试验 

分 类 号：U216.413[交通运输工程—道路与铁道工程]