尼日利亚矿石铁路专用线轨道设备选型研究  

Track Equipment Selection for Nigeria Ore Dedicated Railway Line

作　　者：马迪[1] 王顺洪[1] 刘学毅[1] 

机构地区：[1]西南交通大学土木工程学院,成都610031

出　　处：《路基工程》2010年第5期132-134,共3页Subgrade Engineering

基　　金：国家自然科学基金主任基金项目(50848015)

摘　　要：以尼日利亚矿石铁路专用线轨道设备选型为例,说明如何根据轨道结构的构造系数、荷载系数及年变形速率的计算,得出轨道的维修周期,从而求出轨道设备的寿命周期费用,其值最小者为轨道设备技术经济选型的最优方案。结果证明:采用25m-60kg/m钢轨、Ⅱ型混凝土枕、Ⅰ型扣件等轨道设备,是少维修、利用率最大化和最经济的方案。Taking track equipment selection for Nigeria Ore Dedicated Railway Line as an example,this paper describes how to seek for track maintenance cycle according to structure coefficient,load coefficient and annual deformation rate of track structure and thus obtain life cycle cost of track equipment.The minimum cost is the optimum program for technical and economic selection of track equipment.It is proven that using 25m-60 kg/m steel rail,II concrete sleeper,I fasteners are the most economical program with less maintenance and maximum utilization.

关 键 词：轨道设备 技术经济选型 寿命周期费用 

分 类 号：U213.2[交通运输工程—道路与铁道工程]