Search Results - "Nadakatti, Mahantesh M."

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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Temperature Effect of Concrete Hydration Heat under Atmospheric Wind Based on Fluid-Solid Coupling by Zhang, Moyan, Xiao, Hong, Wang, Meng, Nadakatti, Mahantesh M., Chen, Peng

“…Concrete inevitably gets subjected to the effects of atmospheric wind during pouring. It is a significant factor to predict the temperature stress and gradient…”
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Influence of Uneven Subgrade Frost Heave on Deformation and Damage of CRTSIII Slab Track by Wang, Hongge, Xiao, Hong, Cui, Xuhao, Yang, Shusheng, Nadakatti, Mahantesh M., Guo, Qiang

“…The problem of uneven frost heave deformation of high-speed railway subgrade in seasonal freezing areas seriously affects the service state and service life of…”
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Field Investigation and Rapid Deterioration Analysis of Heavy Haul Corrugation by Jin, Feng, Xiao, Hong, Nadakatti, Mahantesh M, Yue, Huiting, Liu, Wanting

“…In this study, the rapid growth of corrugation caused by the bad quality of grinding works and their wavelength, depth, and evolution processes are captured…”
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The dynamic resonance under multiple flexible wheelset-rail interactions and its influence on rail corrugation for high-speed railway by Ma, Chaozhi, Gao, Liang, Xin, Tao, Cai, Xiaopei, Nadakatti, Mahantesh M, Wang, Pu

“…The wheel-rail dynamic resonance (W-RDR) under multi wheelset-rail nonlinear interactions in the mid-high frequency range is still unclear regarding wheelset…”
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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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Study on control limits for track longitudinal irregularities measured by 60 m chord on high-speed railway by Xin, Tao, Dai, Chuanqing, Wang, Juguang, Yang, Fei, Nadakatti, Mahantesh M, Wang, Sen

“…The high-speed railway (HSR) operates at a high velocity, and the long-wavelength track irregularities can affect its safety and stability. The study was…”
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2D ballast particle contour generation based on the random midpoint displacement algorithm by Wang, Yang, Xiao, Hong, Ling, Xing, Nadakatti, Mahantesh M., Zhang, Zhihai, Fang, Shuwei

“…Ballast particles are an important part of the railway ballast bed. Ballast particles with irregular shapes and strong randomness are not only of significance…”
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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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Mechanism of manual tamping operation for ballast bed based on DEM–MBD coupling by Qian, Zhongxia, Xiao, Hong, Feng, Ruiling, Zhang, Zhihai, Nadakatti, Mahantesh M, Fang, Jia

“…In order to study the mesoscopic mechanism of manual tamping operation on ballast bed, a simulation method for manual tamping of ballast bed was proposed, and…”
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Influence of span-to-depth ratio on dynamic response of vehicle-turnout-bridge system in high-speed railway by Chuanqing Dai, Tao Xin, Shenlu Qiao, Yanan Zhang, Pengsong Wang, Mahantesh M. Nadakatti

“…For high-speed railways, the smoothness of the railway line significantly affects the operational speed of trains. When the train passes through the turnout on…”
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Frequency spectrum and fatigue analysis of T-bolt fracture in DT III fastener based on Refined Model by Hong, Xiao, Jiaqi, Wang, Moyan, Zhang, Guangpeng, Liu, Nadakatti, Mahantesh M.

“…It is observed that T-bolt fracture of DT III fastener affects the safety of railway operations. The present study is aimed at finding solution to this…”
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Numerical investigation on compaction operations of railway gravel ballast based on DEM-MBD coupling method by Zhang, Zhihai, Xiao, Hong, Liu, Qiang, Wang, Yang, Qian, Zhongxia, Nadakatti, Mahantesh M.

“…Compaction is an essential process in the maintenance of ballasted railways. However, unreasonable operating parameters can reduce compaction efficiency and…”
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Mechanism of rail corrugation combined with friction self-excited vibration and wheel-track resonance by Wang, Yang, Xiao, Hong, Nadakatti, Mahantesh M., Wang, Xiaoyu, Fang, Shuwei

“…•Mechanism of rail corrugation generation on steel-spring floating slab track.•Analysis model of rail corrugation considering friction self-excited vibration…”
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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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Resistance characteristics of Y-shaped sleepers for ballasted track under slope influence by Kong, Chao, Xin, Tao, Qian, Zhongxia, Wang, Sen, Yang, Yi, Dai, Chuanqing, Li, Chenyue, Nadakatti, Mahantesh M.

“…The stability of ballasted track is significantly influenced by ballast bed resistance, which inevitably decreases on steeply graded track. Y-shaped sleepers…”
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The influence of construction residual stress and sextuple-line train load on the high-speed railway frame structure by Zhang, Moyan, Xiao, Hong, Wang, Jiaqi, Nadakatti, Mahantesh M., Wang, Yang, Chen, Peng

“…•The static response of frame structure was analyzed from construction to operation.•The creep and shrinkage models were simplified by the iterative…”
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Temperature gradient effect on high-speed railway frame structure yard based on fluid-solid coupling analysis by Zhang, Moyan, Xiao, Hong, Wang, Jiaqi, Nadakatti, Mahantesh M.

“…As the frame structure can effectively save the lower space and optimize overall layout of the yard, it was first applied in the railway double-layers yard in…”
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