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요약정보
我国高速铁路主型无砟轨道技术经济性探讨 / Research on Technological Economics of Main Ballastless Track Types in China
Resource Type
Academic Journal
Authors
王梦
;
王继军
;
刘伟斌
;
赵勇
;
施成
;
WANG Meng
;
WANG Jijun
;
LIU Weibin
;
ZHAO Yong
;
SHI Cheng
Source
中国铁路 / Chinese Railways
. (2):59-64
Subject
高速铁路
板式无砟轨道
双块式无砟轨道
建设成本
全生命周期
Language
Chinese
ISSN
1001-683X
Online Access
Full Text (CAJ - 경제/경영)
초록
基于CRTSⅠ、Ⅱ、Ⅲ型板式和双块式无砟轨道的结构特征,结合我国高速铁路工程实践,对比分析4种无砟轨道结构的技术经济性.结果表明:CRTS Ⅲ型板式无砟轨道结构稳定性、耐久性和环境适应性良好,并具有较好的下部基础适应性、可施工性和可维修性,综合性能最优;双块式无砟轨道建设成本低于各型板式无砟轨道,3种板式无砟轨道建设成本因下部基础不同而存在差异,我国高速铁路桥梁段占比较大,采用CRTS Ⅲ型板式无砟轨道建设成本相对较低;另外,CRTSⅢ型板式无砟轨道预期寿命更长,维修成本更低,有利于降低全生命周期成本.
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