双线铁路

双线铁路隧道内空气污染浓度的数值模拟研究

Numerical Simulations of Air Pollution Concentration Inside Double Track Railway Tunnels

南岭双线铁路隧道软岩复合式衬砌围岩压力的试验研究

The Test Study of the Surrounding Rock Pressure Acting on the Composite Lining in Weak Rock of Nanling Double Track Railway Tunnel

为适应铁路勘测设计一体化的要求，对新建单、双线铁路线路机助设计系统（RSCD）进行了基于数据库的改造。

We improve the RSCD system based on database for the request of the integrative system of railway design .

结合双线铁路预应力混凝土简支箱梁的施工，利用SAP90通用结构有限元分析程序，建立了整体箱梁三维实体单元模型，通过梁单元施加预应力荷载效应。

According to construction of prestressed concrete simply supported box beams of the double-track railway , the solid three-dimension finite-element model is established using the SAP90 program .

以某座双塔双索面三跨预应力混凝土梁与钢桁叠合梁斜拉桥为例，对影响双线铁路主跨280m叠合梁斜拉桥竖向刚度的各项因素进行了分析比较。

The paper takes a cable-stayed bridge with couple tower , couple cable , three-span prestressed concrete beam and steel truss composite beam for example , analyzes and compares various factors that affect the vertical rigidity of composite beam cable-stayed bridge of double line railway .

线间距变化的双线铁路曲线桥梁布置方法

Layout of double track curved bridge with different midway between tracks

双线铁路列车运行调整的禁忌搜索算法

Tabu Search for Train Operation Adjustment on Double - track

双线铁路行车调度调整的优化方法

Optimization Method for Adjusting Diagram on Double - Track Railway

双线铁路桥台大体积混凝土裂缝成因分析

Cause analysis of mass concrete crack of double-track railway abutment

客运专线双线铁路隧道的结构设计简介

The introduction of structural design of double-line tunnels of passenger transport railway

电气化双线铁路有关供电能力设计问题的研究

Design of Power Supply Capability for Electrified Double-track Railway

中隔壁法开挖修建黄土大断面双线铁路隧道施工工艺

Construction Technology for the Loess Large-section Dual-line Railway Tunnel with Median Septum Excavation

SPZ1100/40双线铁路箱梁造桥机的设计

Design of SPZ1100 / 40 Bridging Machine for Double - track Railway Box Beam

双线铁路箱形梁水化温度场及温控研究

Research of hydration temperature field and temperature control in double-line railway box girder bridge

不同类型单、双线铁路最大负荷量的探讨

A Discussion the Maximum Capacity for Different Kinds of Single and Double Track Lines

双线铁路旅客快车扣除系数的计算方法及其取值

Calculating method and value-setting of detection coefficient for passenger express train on double-track line

双线铁路箱梁施工过程中端块的受力分析

Mechanical Analysis of End Block of a Double - track Railway Box Girder During Construction

坐标法在双线铁路桥梁曲线布置中的应用

The Application of coordinate Method in the Curre Layout of Double - line Railway Bridge

双线铁路单箱单室箱形梁温度场分析

Analysis of Temperature Field in Double Line Railway Box Girder Bridge with Single Chest and Room

对双线铁路开行组合列车中间越行点改建问题的探讨

An Approach to Rebuilding Intermediate Overtaking Points Under the Condition of Operating Combined Train on Double-Track Line

三向预应力作用下双线铁路槽型梁应力变形状态试验研究

Experimental study on stress and deformation of a R.C.DOUBLE track railway through girder bridge under the action of three-dimensionally prestressed force

本文所采用的分析方法和结论对于双线铁路箱梁的设计与施工有一定的借鉴意义。

The analytic method and results in this paper has reference value to design and construction of box beams of double-track railways .

为了解电力牵引的双线铁路运营隧道空气污染状况，选择军都山隧道进行现场测试。

For investigating the air pollution in double line railway tunnel by electric traction , we tested the air condition in Jundushan tunnel .

介绍了罗湖口岸罗湖双线铁路桥在特殊环境下整体移梁的方案制定、工艺措施等相关技术，可为类似工程的施工提供有益的借鉴。

The construction scheme and method used for the construction of the whole bridge moving of Luohu double-line railway bridge in Hongkong are introduced .

最后，采用大系统控制和系统耦合协调理论和方法，以系统结构特征为出发点，对客货双线铁路系统点线能力协调的内容、原则、目标和优化方法进行初步的探讨性研究。

Then the content , principia , goal and method of passenger and freight mixed double-track railways system ability coordination is studied using coupling coordination theory .

接着，根据双线铁路隧道运营通风的特点，建立了一维不可压缩非恒定流和流动污染源的物理模型以及山相应的连续性方程、动量方程和对流扩散方程构成的数学模型；

Then a one-dimensional unsteady incompressible flow with moving pollutant source model was proposed . The continuity equation , momentum equation and convection-diffusion equation were discredited using finite volume scheme .

目前我国内燃牵引双线铁路隧道还没有设置机械通风的界限，针对这种情况，本文采用数值计算方法，结合现场试验，并根据TB1912-87的卫生标准，对设置机械通风的界限进行了深入的研究。

A study on the limits for installing mechanical ventilation in railway double track tunnels in operation has been conducted . Both numerical methods and field tests were used in the study .

文章从五个方面论述了中国铁路技术装备现代化的主要特征，并提出单线和双线铁路主要技术装备的发展模式。

This article puts forward the main signs of mo-dernizing the technical installations on Chinese rail-way in5 aspects , and the developing mode of the main technical installations on both single and dou-ble tracks .

内燃牵引双线铁路隧道设置机械通风的界限有界线性算子的回复性及极限跟踪性的研究

The Limits for Installing Mechanical Ventilation in Railway Double Track Tunnels on Diesel Traction Lines ; The Research of the Recurrent Properties of the Bounded Linear Operator and Limit Shadowing Property in Dynamical Systems

针对双线铁路沉管隧道双室箱形截面的剪力、扭矩在截面各矩形板上的分配问题进行了探讨，介绍了剪力分配和扭矩分配的计算实例。

This paper discusses the distribution of shearing force and torque at the twin-box cross - sections of the two - lane railway immersed tunnel on various rectangular plates , and introduces its calculation examples .