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- Welded turnout is one of the key techniques of CWR track. 无缝道岔是跨区间无缝线路的关键技术之一。
- Continuous welded turnouts are important for CWR track across the station. 无缝道岔是跨区间无缝线路的关键技术。
- The good agreement between them shows that the proposed technique is an effective method for evaluating stresses in CWR track. 相对误差不超过3.;8%25,从而证明此方法的正确性。
- Inputting different deformation wavelengths, the minimum temperature load of CWR track was obtained by applying the optimization method. 输入不同的轨道变形波长,通过优化理论找出最小的钢轨温度力。
- LU Yao-rong.Study and analysis on characteristics of the dynamic buckling of CWR track[J].Journal of the China Railway Society,1993,15(3):77-83. [1]卢耀荣.;无缝线路动态失稳特征的分析研究[J]
- The longitudinal ballast resistance has little effect on the stability of CWR track, but has significant influence on the distribution of axial temperature force in rail. 道床纵向阻力对线路的稳定性影响很小,但对钢轨中的温度力分布影响明显。
- By means of the Monte Carlo method, the reliability of CWR track stability is analyzed.By the single-parameter sensitivity analysis method, sensitivity of random variables is studied. 本文基于蒙特卡洛方法,分析无缝线路稳定性可靠度,并且采用单参数敏感性分析法,通过改变各参数的平均值,而保持其变异系数不变,对设计参数进行敏感性分析。
- Passenger dedicated line (PDL) adopts a construction method of one-time CWR track laying, which makes the rail welding construction for PDL difference from that for the existing lines. 客运专线采取一次铺设无缝线路的方法施工,使钢轨焊接与既有线换铺长轨具有不同的焊接条件。
- Through in-depth analysis of CWR buckling mechanism and its influencing factor, and according to the nonlinear finite element theory, the FEM model to analyze the stability of CWR track is developed. 过大的温度力会导致钢轨臌曲失稳或断裂,导致车辆脱轨,危及行车安全。
- The design parameters that affect the stability of CWR tracks demonstrate obvious random variation, and the analysis of CWR track stability by means of probability is essential. 无缝线路稳定性的设计参数(道床横向阻力、轨道原始弯曲、钢轨温升幅度、扣件阻矩系数)具有明显的随机性,运用概率方法对无缝线路稳定性进行分析是十分必要的。
- Research on Braking Force of Long Rail on CWR Track 无缝线路长钢轨制动力的研究
- CWR track laying on monoblock concrete sleepers 单枕法
- Damping Operation Method for CWR Track Laid on New Ballas 新道床上铺设无缝线路的捣固施工方法
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries