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Preliminary Study for Selection of Design Live Load of Coal Transportation Railway Line from Western Inner Mongolia to Central China
Author(s): 
Pages: 48-53
Year: Issue:  3
Journal: Railway Standard Design

Keyword:  重载铁路煤运通道设计活载轴重;
Abstract: 简要介绍我国重载铁路机车及货车的基本概况、国外重载铁路的轴重标准以及蒙西至华中地区铁路煤运通道的主要运输特点,分析了不同运输方式活载图式的选择不仅取决于本线运营列车活载及其预留发展储备,尚需考虑相关既有线的实际情况的选用原则.通过对周边既有线桥涵的调研,研究了既有线桥涵对不同轴重的适应性,最后通过对不同活载图示、荷载效应及配套规范的使用情况分析,得出了蒙西至华中地区铁路煤运通道宜优先采用ZH活载(Z=1.0)设计,或按UIC71活载(α=1.0)设计,并按中-活载(2005)长大重车检算图式进行相关检算的结论.
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