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- This paper postulates the importance of track maintenance in urban rail transit by describing the characteristics of railway lines,the track structure damage by the motion of trains,etc. 从城轨交通线路的主要特征、列车运行时对轨道结构破坏等方面,说明轨道维修工作的必要性。
- track structure damage 轨道破坏
- I was shocked at the structural damage. 我对建筑所遭的破坏感到震惊。
- Abstract The track structure method was used to model the early physical and chemical event from the incidence of monoenergetic electrons to DNA solution to the production of final DNA damage. 摘要 利用径迹结构的方法模拟了单能电子从入射DNA水溶液到最终产生DNA损伤的早期物理和化学变化过程。
- The storm caused no structural damage. 风暴没有造成建筑结构方面的破坏。
- Finally, analyses of dynamic response of track structure for TGV under different speeds are performed. 文章对TGV动车在不同速度下对轨道结构的动力响应进行了分析。
- Research methods: Establish double layer continuous viscoelastic beam model of floating slab track structure,the(vibration) respon. 浮置板轨道系统具有良好的减振性能,因而在工程中获得了广泛的应用。
- Ship collision can always make some disasters, including structure damage, environment pollution and casualties. 船舶碰撞往往会造成结构破损、货物泄漏、环境污染、人员伤亡等灾难性的后果。
- Storms have caused structural damage to hundreds of homes. 几场暴风雨毁了成百上千所住宅,连结构都破坏了。
- Based on the design theory and application foreground of the ladder track structure, this paper analyses the effect of the structure on track itself and the environment. 摘要介绍了梯子式轨道结构的基本理论、设计理念、应用前景,分析了应用这种轨道结构对线路、环境等的影响。
- The structural damage detection technology is the basis of SHM. 结构损伤检测技术是结构健康监测的基础。
- Super long jointless track on elastic monolithic track bed is a new type of track structure, and has been extensively used for long railway tunnels and urban light rails. 弹性整体道床铺设超长无缝线路是一种新型轨道结构形式,在长大铁路隧道和城市轻轨建设中已广泛应用。
- The influence factors for technical condition of wheel/rail system are: highest running speed, transportation organization, locomotives and cars, track structure, etc. 高速铁路轮轨系统技术是确保列车高速行驶安全的关键。
- Proteinuria might be in no relation to GBM thining,but the feet-fusion and GBM structure damage may be the important factor of effect on prognosis. 蛋白尿与GBM变薄无关,而与GBM病损破坏及节段足突融合有关,可能为影响预后的重要因素。
- Ballasted track is a basic track structure used on the railway lines in china.It is a complex construction, including rail, under-rail pad, sleeper, roadbed and so on. 轨道是由钢轨、轨枕、联结零件、道床等部件组成的复杂结构物,其材料具有不同的力学性质,受力也有很强的随机性和复杂性,这给轨道的设计及力学仿真计算带来了诸多困难。
- The method of extracting damage eigenvector by wavelet transform is proposed in this paper, and using neural network for structure damage detection. 提出运用小波分析提取结构损伤特征向量的方法和基本原理,并进一步用神经网络进行损伤位置和程度的检测。
- It is problems that the integral initial values are unknown and how to eliminate the error with the numerical integral in reversion for detecting structure damage. 积分初值的未知、消除数值积分引入的误差是结构损伤反演计算中信号处理的难题。
- In study on structure damage identification in time domain, error of numerical integral will affect directly accuracy of parameters resulted from reversion. 摘要在结构损伤识别的时域法研究中,数值积分的误差将直接影响反演参数结果的精度。
- Collect and track structured data in your team workspace, and export or synchronize results with enterprise systems. 收集和跟踪工作组工作区中的结构化数据,然后将结果导出或与企业系统同步。
- As the use of continuous welded rail (CWR) increases in track structure, the derailing disasters associated with track also increase in great numbers due to the high compressive thermal stress. 摘要把温度力作用下的无缝线路简化为纵向力作用的弹性等间距支承的无限长均匀梁结构,通过连续梁理论,建立了纵向力作用下无缝线路钢轨的振动模型。