The key is that to resolve the interaction between bridge and track, that the mechanics model of this interaction, as well as rail longitudinal resistance to displacement between rail and beam.
轨道结构与桥梁共同作用的力学计算模型是解决轨道纵向位移阻力与梁轨相对位移相互作用计算问题的关键。
According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.
依据疲劳损伤累积理论,确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。
The Speedy Rail beam is a heat-treated aluminium alloy profile with hollow cross-sections that give it high strength under torsion and deflection stresses.
快速铁路是束热处理铝合金型材中空截面,给高强度下的扭转和挠度应力。
The coupling between bridge and track adopts by beam unit, modulus of electricity of and yielding stress according to the broken line of the non-liner rail longitudinal resistance of displacement.
桥梁和轨道的联结采用非线性梁单元模拟,其材料弹性模量和屈服应力通过轨道纵向位移阻力与梁轨相对位移关系的双折线化确定;
Sleeper is regarded as a finite long beam on continuous elastics base. The relation between rail forces and sleeper displacement is established by analysis of sleeper forces.
将轨枕视为连续弹性基础上的有限长梁,对轨枕进行了受力分析,建立了钢轨轴向力和轨枕变形曲线的关系。
Intermediate driving way is put forward for the first time and can solve influence of deflection and edge effect come from rail beam on mechanical and electric performance.
首次提出中间驱动方式,能较好地解决轨道梁产生的挠度、边缘效应等对机械和电气性能的影响。
The concrete beam modification, change and its effects for traveling crane rail in stock yard were introduced.
介绍对原料场露天栈桥行车水泥梁进行改造、更换的施工及其效果。
A beam as the base of rail must have strong strength, rigidity, small subsequent creep camber, and excellent durability as well as rapid in const ruction.
桥梁不仅应有足够的强度、刚度以及小的后期徐变变形,同时还应具有良好的耐久性,并且要求实现快速施工。
The rail, sleeper and beam have distinct relative displacement. In the former mechanics model, the influence of the displacement of the sleeper is not taken into account.
以往对钢轨、轨枕及梁跨结构三者之间产生相对位移的计算模型,没有考虑轨枕位移的影响。
The interrelated action principle of beam and rail of continuously welded rails on bridge is the pivotal technique of track engineering.
桥上无缝线路梁轨相互作用是轨道工程的关键技术。
A novel two-component epoxy adhesive with high adhesive strength was developed to meet the bonding requirement of mounting plate of crane rail and steel beam in the workshop.
根据车间内钢梁上吊车轨道安装底板与钢梁粘接的具体要求,研制了一种中温固化双组分环氧胶粘剂。
Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given.
介绍了冶金起重机金属结构偏轨箱形模拟主梁的疲劳失效分析研究结果,提出疲劳失效的原因及改进措施。
The effect and the cause of the falling off accident of the walking beam furnace translation guide rail were analyzed and the improvement method was bringed forward.
文章分析了步进式加热炉平移导轨脱落事故造成的危害和产生的原因,并提出了改进措施。
The demand up to the year 2000 can be satisfied by improving quality and raising the weight of rails and by expanding existing rail-and-beam mills.
提高重轨质量和单重以增加列车载重和车速,扩建现有轨梁轧机,可以满足2000年前需要。
This paper assumes that the welded turnout in the continuously welded rail track is a structural system, and the railway tie in the welded turnout is a beam on the continuously elastic foundation.
本文假定跨区间无缝线路中的无缝道岔为一结构体系,岔枕为连续弹性基础上的有限长梁。
The services including: supplying electric single girder overhead cranes, and the supply as well as installation of foundation, column, H-beam , rail busbar and accessories.
服务项目包括:电动单梁桥式起重机的供货;配套地基、立柱、行车梁及轨道滑线附属件的供货及施工。
The sheet pile is used for civil construction and one of the main products of steel section like H-beam and Rail.
钢板桩主要用于土木建筑,和H型钢及钢轨相同,属于主要型钢产品之一。
The sheet pile is used for civil construction and one of the main products of steel section like H-beam and Rail.
钢板桩主要用于土木建筑,和H型钢及钢轨相同,属于主要型钢产品之一。
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