各类无砟轨道的特点及经济性分析

随着国民经济的发展,高速铁路建设迎来了无砟轨道时代。此文在介绍无砟轨道类型的基础上,阐述几种类型无砟轨道的技术特点。并结合路基、桥梁、隧道地段对几种无砟轨道进行技术经济性分析与比较。根据各种类型无砟轨道的工程数量,计算出路基、桥梁、队道地段工程造价指标,及各类费用所占的比例。同时提出无砟轨道选型应注意的问题。

Characteristics and Economic Analysis of kinds of Ballastless Track

Along with the development of national economy, high speeds railway construction comes ballastless track time. Based on introducing the type of ballastless track, this article elaborates the technical characteristics of several types ballastless track. The economic analysis and comparison of ballastless track in the road bed, bridge and tunnel section are performed. According to various types ballastless track engineering quantity, the paper calculates the roadbed, bridge, tunnel engineering cost index, and the proportion of all kinds of cost. At the same time, it puts forward the problems should be paid attention to about selection of ballastless track type.