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Influence of Variable Height of Piers on the Dynamic Characteristics of High-Speed Train–Track–Bridge Coupled Systems in Mountainous Areas.
Publication Type: Academic Journal
Source(s): Applied Sciences (2076-3417). Sep2023, Vol. 13 Issue 18, p10271. 15p.
Abstract: With the increase in the occupancy ratio of bridges and the speed of trains, the probability of trains being located on bridges during earthquakes increases, and the risk of derailment increases. To investigate the influence of unequal-height piers on ...
Optimizing Friction Block Location on Brake Pads for High-Speed Railway Vehicles Using Artificial Neural Networks.
Publication Type: Academic Journal
Source(s): Applied Sciences (2076-3417). Sep2023, Vol. 13 Issue 17, p9634. 15p.
Abstract: Brake discs play a crucial role in braking railway vehicles, but the frictional heat generated during the braking process can lead to high temperatures on the disc. Changes in the friction block location on the brake pad result in variations in the tem...
Short-Term Prediction of Time-Varying Passenger Flow for Intercity High-Speed Railways: A Neural Network Model Based on Multi-Source Data.
Publication Type: Academic Journal
Source(s): Mathematics (2227-7390). 8/15/2023, Vol. 11 Issue 16, p3446. 16p.
Abstract: The accurate prediction of passenger flow is crucial in improving the quality of the service of intercity high-speed railways. At present, there are a few studies on such predictions for railway origin–destination (O-D) pairs, and usually only a single...
Field Measurement and Energy Analysis of Ground-Borne Vibration around High-Speed Railway Viaduct.
Publication Type: Academic Journal
Source(s): Shock & Vibration. 9/20/2023, p1-20. 20p.
Abstract: In order to investigate the vibration characteristics and propagation mechanism of ground vibrations induced by high-speed train passing through the viaduct, a field experiment is carried out, and the measured data is deeply analyzed. Besides the indep...
An Improved Impact Damage Monitoring Method for High-Speed Trains Using Lamb Waves and Multi-Task Learning.
Publication Type: Academic Journal
Source(s): Applied Sciences (2076-3417). Sep2023, Vol. 13 Issue 18, p10235. 18p.
Abstract: High-speed trains may be subjected to various forms of physical impacts during long-term operation, causing structural damage and endangering driving safety. Therefore, impact damage monitoring remains a daunting challenge for the stable operation of h...
Defect Recognition in Ballastless Track Structures Based on Distributed Acoustic Sensors.
Publication Type: Academic Journal
Source(s): Applied Sciences (2076-3417). Sep2023, Vol. 13 Issue 17, p9663. 15p.
Abstract: Defect recognition in ballastless track structures, based on distributed acoustic sensors (DASs), was researched in order to improve detection efficiency and ensure the safe operation of trains on high-speed railways. A line in southern China was selec...
Influence of Braking Speed on the Friction and Wear Characteristics of High-Speed Railway Braking Materials under High Ambient Humidity Conditions.
Publication Type: Academic Journal
Source(s): Materials (1996-1944). Sep2023, Vol. 16 Issue 17, p6026. 17p.
Abstract: The friction and wear tests of high-speed railway braking materials for a variety of braking speeds (600, 400, and 200 rad/min) at 65% and 98% RH RH (RH: relative humidity) were carried out utilizing a friction-testing machine and humidity generator. T...
Mechanical Behavior of Anchor Bolts for Shallow Super-Large-Span Tunnels in Weak Rock Mass.
Publication Type: Academic Journal
Source(s): Materials (1996-1944). Sep2023, Vol. 16 Issue 17, p5862. 19p.
Abstract: Based on the Xiabeishan No.2 tunnel project of the Hang-Shao-Tai high-speed railway in China, the mechanical behavior of the anchor bolts for shallow super-large-span (SSLS) tunnels in weak rock mass is comprehensively investigated through laboratory t...
Energy-Saving Adaptive Routing for High-Speed Railway Monitoring Network Based on Improved Q Learning.
Publication Type: Academic Journal
Source(s): Sensors (14248220). Sep2023, Vol. 23 Issue 17, p7393. 21p.
Abstract: In high-speed railway operational monitoring network systems targeting railway infrastructure as its monitoring objective, there is a wide variety of sensor types with diverse operational requirements. These systems have varying demands on data transmi...
Uncertain demand based integrated optimisation for train timetabling and coupling on the high-speed rail network.
Publication Type: Academic Journal
Source(s): International Journal of Production Research. Mar2023, Vol. 61 Issue 5, p1532-1555. 24p. 3 Diagrams, 2 Charts, 9 Graphs, 1 Map.
Abstract: Transportation is an important component in the logistics and production processes. To accurately match rapidly growing demand and limited transport capacity, the goal of minimising costs while ensuring high service quality under existing infrastructur...