Search Results - "Chi, Yihao"

Analysis of the influence of vibration frequency and amplitude on ballast bed tamping operation in railway turnout areas by Chi, Yihao, Xiao, Hong, Zhang, Zhihai, Nadakatti, M. M., Qian, Zhongxia

“…Turnout is the essential track equipment to achieve train switching. To ensure a safe and stable railway operation, it is significant to carry out scientific…”
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Dynamic stability model and analysis of mechanical properties for railway operations by Hong, Xiao, Xiaoyu, Wang, zhihai, Zhang, Nadakatti, Mahantesh M., Jiaqi, Jin, Yihao, Chi

“…Dynamic track stabilizers have been widely used in the maintenance of ballast track, but limited studies have been carried out for the theoretical analysis of…”
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Influence of wind-blown sand content on the mechanical quality state of ballast bed in sandy railways by Chi, Yihao, Xiao, Hong, Zhang, Zhihai, Wang, Yang, Qian, Zhongxia, Zhao, Weize

“…During the operation of sandy railways, the challenge posed by wind-blown sand is a persistent issue. An in-depth study on the influence of wind-blown sand…”
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Experimental study and numerical simulation of the impact of under-sleeper pads on the dynamic and static mechanical behavior of heavy-haul railway ballast track by Chi, Yihao, Xiao, Hong, Wang, Yang, Zhang, Zhihai, Nadakatti, Mahantesh M.

“…Laying the under-sleeper pad (USP) is one of the effective measures commonly used to delay ballast degradation and reduce maintenance workload. To explore the…”
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Field experiment and numerical simulation investigation on the mechanical properties of ballast bed with elastic sleepers by Chi, Yihao, Xiao, Hong, Zhang, Zhihai, Wang, Yang

“…•Field static and dynamic tests of ballast bed laying elastic sleeper were carried out.•The model of elastic sleeper- ballast bed is established by DEM-MFBD…”
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BallastGAN: Random generation of ballast particle contour based on generative adversarial networks by Wang, Yang, Xiao, Hong, Chi, Yihao, Zhang, Zhihai, Qian, Zhongxia

“…Railway ballast particles exhibit unique variations in shape, and this diversity significantly impacts the mechanical performance of ballast beds. An intuitive…”
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Experimental study and discrete element analysis on dynamic mechanical behaviour of railway ballast bed in windblown sand areas by Xiao, Hong, Zhang, Zhihai, Chi, Yihao, Wang, Meng, Wang, Haoyu

“…•The load sharing ratio tests of sleepers in desert areas are carried out.•A multi-scale 3-D discrete element model of windblown sand ballast bed is…”
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Response analysis and effect evaluation of dynamic stabilization for ballasted track by Zhang, Zhihai, Xiao, Hong, Wang, Yang, Chi, Yihao, Nadakatti, Mahantesh M

“…•The micro migration process of ballast particles is detected using non-contact method during stabilizing operation.•A 3D coupling model of wheel-ballasted…”
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The influence of operation times of manual tamping device on ballast bed state by Qian, Zhongxia, Xiao, Hong, Zhang, Zhihai, Nadakatti, Mahantesh M., Chi, Yihao, Wei, Shaolei

“…The manual tamping device plays an important role in the daily maintenance and repair of ballasted track. It is difficult to establish a suitable analytical…”
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Impact of speed and axle load on the static and dynamic mechanical behavior of the ballast bed laying under sleeper pads by Chi, Yihao, Xiao, Hong, Nadakatti, Mahantesh M., Zhang, Zhihai, Wang, Yang

“…With the evolution of railway infrastructure towards accommodating higher speeds and heavier loads, the under sleeper pad (USP) has emerged as a critical…”
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Study on the splashing behavior of high-speed railway ballast in ice and snow environment: Analysis of the influence of the train speed, ice mass and striking position by Xiao, Hong, Chi, Yihao, Zhang, Zhihai, Nadakatti, Mahantesh M., Wei, Shaolei

“…The snow flight in severe cold regions has occurred on many high-speed railway lines in China, directly impacting the safety of high-speed railway operations…”
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Structural analysis and parametric study ballasted track in sandy regions by Xiao, Hong, Zhang, Zhihai, Chi, Yihao, Wang, Xiaoyu, Wang, Haoyu, Jiang, Ziqing

“…•The longitudinal resistance test of sandy ballast bed is carried out.•The vibration characteristics of track structure are analyzed in sandy regions.•The…”
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Discrete element analysis of the dynamic behavior of ballast track-subgrade system under train dynamic load by Cui, Xuhao, Xiao, Hong, Xu, Yang, Jing, Peng, Fu, Hao, Zhang, Zhihai, Chi, Yihao

“…To study the dynamic response law of the ballast track-subgrade coupling system under the action of train dynamic load, considering the real shape of ballast…”
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Discrete element analysis of the effect of manual tamping operation on the mechanical properties of ballast bed by Xiao, Hong, Fang, Jia, Chi, Yihao, Zhang, Zhihai, Ma, Jianjun, Nadakatti, M.M., Wang, Xiaoyu

“…•Based on the DEM-MBD co-simulation principle, the simulation model of manual tamping of ballast track was established.•The influence of manual tamping on…”
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Numerical simulation of the three-sleeper asynchronous tamping operation of ballast bed based on the virtual unit module and polyhedral ballast model by Zhang, Zhihai, Xiao, Hong, Wang, Yang, Chi, Yihao, Nadakatti, Mahantesh M., Jin, Jiaqi

“…Reasonable asynchronous tamping operation plays an important role in improving and maintaining the performance of the ballast bed. In studies conducted so far,…”
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Investigating the impact of tamping on ballast bed in railway turnout areas: Insights from discrete element method analysis of energy evolution by Chi, Yihao, Xiao, Hong, Zhang, Zhihai, Wang, Yang, Qian, Zhongxia, Nadakatti, M.M.

“…The tamping operation is an effective way to improve the track geometry quickly and to restore the line to an excellent operating condition. The tamping…”
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The formation, development and classification of rail corrugation: a survey on Chinese metro by Wang, Yang, Xiao, Hong, Zhang, Zhihai, Cui, Xuhao, Chi, Yihao, Nadakatti, Mahantesh M.

“…Abstract Investigations into rail corrugation within metro systems have traditionally focused on specific mechanisms, thereby limiting the generalizability of…”
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Research on the mechanism of railway ballast shear performance under various sand contents and load conditions by Chi, Yihao, Xiao, Hong, Cui, Xuhao, Chen, Zhipei, Zhang, Zhihai, Qian, Zhongxia, Zhao, Weize

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80 km/h速度条件下地铁隧道内轮轨及车内振动噪声关联性研究 by 迟义浩, 肖宏, 时光明, 张智海

“…U270.1+6;…”
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