Study on temperature stress of welded turnout of continuous-slab-track on simple supported girder bridge
简支梁桥上纵连板式轨道无缝道岔温度力研究
Research purposes:The paper gives an introduction to the additional force transfer mechanism of welded turnout on ballastless track,presents the calculation model for welded turnout on ballastless track, calculates additional force and deformation of welded turnout on ballastless track by FEM,the result is compared with ballast track.
研究目的:分析无砟轨道基础上无缝道岔的纵向力传递机理,建立无砟无缝道岔计算模型,采用有限单元法计算了无砟无缝道岔受力及变形,并与有砟轨道无缝道岔进行了对比分析,为无砟无缝道岔设计提供参考依据。
In order to better guide the design,laying and maintenance of welded turnouts,the effects of stress-free temperature difference between two railway lines on the rail displacement and temperature force of a welded turnout were investigated.
为了更好地指导无缝道岔的设计、施工和维护,探讨了不同线路间存在铺设锁定轨温差时,铺设锁定轨温差对无缝道岔受力和变形的影响以及与道岔联结型式、道岔号码、辙叉型式和道床纵向阻力的关系。
Study on the interaction between long span bridge and ballastless turnout under temperature force;
温度荷载作用下大跨度桥梁与无砟道岔相互作用研究
An analysis of factors affecting temperature stress and displacement of jointless turnouts;
无缝道岔钢轨温度力与位移影响因素分析
The model of jointless turnout on bridge is built up by using the finite element method,the forces and displacement of jointless turnout are computed,and the influences on jointless turnout of bridge structure are analyzed.
随着高速铁路和城市轨道交通系统的发展,将会出现无缝道岔铺设在桥梁上的情况,桥上无缝道岔成为发展跨区间无缝线路的又一关键技术。
meanwhile, the paper makes feasible demonstration for developing jointless turnout in the future.
通过对兰新线上已铺设提速道岔的实地调查研究 ,提出了对提速道岔在使用初期运行品质的评价意见及改进和加强的措施 ,并对发展为无缝道岔的可能性进行了论
The maintenance and treatment of failures on jointless switches;
无缝道岔的养护维修与故障处理
A detailed introduction is given to technical standard of trans\|sectional jointless track and requirements over jointless switch, providing references for revision and supplement of relevant technical standard.
分析无缝线路名词术语及有关规定 ,系统介绍跨区间无缝线路技术标准、无缝道岔有关要求 ,便于工程技术人员借鉴 ,为尽快组织制定和修改补充所涉及技术标准提供参考。
The jointless switch is an important component part of jointless track across sections, it can notably raise the train running speed and the regularity.
无缝道岔是跨区间无缝线路的重要组成部分 ,能显著提高列车运行速度和平稳性。
Theory and practice of welded switches in chilly areas;
寒冷地区无缝道岔的理论与实践
Development of welded switches is a key technique in constructing continuously welded rails.
无缝道岔是发展超长无缝线路的关键，而道岔区导轨、基本轨纵向力分布和位移的计算则是无缝道岔设计的先决条件。
To develop the welded switches is a key technology for the construction of the continuously welded rail track.
无缝道岔是发展超长无缝线路的关键技术，而道岔区导轨、基本轨纵向力分布和位移的计算则是无缝道岔设计的先决条件。
Study of Foundation Style Choice to the Continuous Welded Turnouton on Ballastless Bridge;
桥上无缝道岔无碴轨道基础选型研究
Research and Design of Continuous Welded Turnout Model on Bridge;
桥上无缝道岔模型试验的设计与研究
Calculation and Analysis of the Rupture Force of a Seamless Turnout on Continuous Beam Bridge
连续梁桥上无缝道岔断轨力计算分析
Analyzing on influence of longitudinal force and displacement to No.41 seamless turnout
41号无缝道岔受力与变形的影响分析
Study of Longitudinal Forec for the Seamless Turnout Scissors Crossing on Ballastless Bridge;
无砟轨道桥上无缝道岔交叉渡线纵向力研究
Model Selection of Switch Rail Heel-End of No.18 Ballastless Jointless Switch
无砟轨道18号无缝道岔尖轨跟端结构选型
Study on longitudinal force for joistless switch on ballastless track bridge
桥上无砟轨道无缝道岔纵向温度力研究
Study on the Bending Additional Longitudinal Force and Displacement of Seamless Turnout on Ballastless Bridge
桥上无砟轨道无缝道岔挠曲力与位移特性分析
Study on the Tensile and Compressive Force of Seamless Turnout on Bridge and Train-turnout-bridge System Spatial Vibration;
高速铁路桥上无缝道岔伸缩力及列车—道岔—桥梁系统空间振动研究
Study on Spatial Mechanical Characteristics of Ballast Jointless Turnout on Bridge;
桥上有碴轨道无缝道岔空间力学特性的研究
Study on temperature stress of welded turnout of continuous-slab-track on simple supported girder bridge
简支梁桥上纵连板式轨道无缝道岔温度力研究
Study on the Spatial Mechanical Characteristic of Welded Switches on Bridge in Passenger Dedicated Lines;
客运专线桥上无缝道岔空间力学特性的研究
Longitudinal Force and Deformation Analysis of Large-Sized Welded Turnout by Finite Element Program;
大号码无缝道岔纵向力和位移的有限元计算
Study on Construction Technique of Gapless Turnout Laying and Destressing
无缝道岔铺设与应力放散施工技术研究
Longitudinal Force and Displacements Analysis of Welded Turnouts with Rigid Frogs by Finite Element Methodology
固定型无缝道岔纵向力和位移有限元计算分析
Analysis of Temperature Force and Displacement of SeamlessTurnout on ContinuousBeam Bridge
连续梁桥上无缝道岔温度力与位移分析
Calculation of temperature force and displacement of joinless switch on simple supported beam bridge
简支梁桥上无缝道岔温度力与位移计算
Finite Element Analysis of the Temperature Stress on the Jointless Switch under Multi-working Conditions
多种工况下无缝道岔温度附加力的有限元分析