Results 71 to 80 of about 947 (220)
Dynamic behavior model of the ballastless railroad track segment considering wave processes [PDF]
E3S Web of Conferences, 2020 The paper is devoted to the modification of the dynamic behavior model of a flat orthotropic element under shock and vibrational impacts. The impacts were caused by solid cylindrical body for the case of ballastless railway construction.
Loktev Alexey +6 more
doaj +1 more source
Weak Supervision: A Survey on Predictive Maintenance
WIREs Data Mining and Knowledge Discovery, Volume 15, Issue 2, June 2025.The authors conduct a comprehensive examination of Weakly Supervised Learning for Predictive Maintenance, the survey discusses the challenges and identifies open research lines. ABSTRACT The maintenance advancements achieved in Industry 4.0 generate large amounts of data, necessitating complete, accurate, and precise labels for training datasets to ...
Antonio M. Martínez‐Heredia +1 more
wiley +1 more source
Analysis of the Vibration Characteristics of Ballastless Track on Bridges Using an Energy Method
Applied Sciences, 2020 Although the high-speed railway (HSR) system has been widely agreed to be a sustainable and convenient means of transportation, the vibration induced has already been deemed an urgent environmental problem.
Hanwen Jiang, Liang Gao
doaj +1 more source
Rigorous vehicle soil track simulation of high speed rail through optimization based model order reduction [PDF]
, 2020 This paper aims to develop a time domain analysis method capable of accurately simulating the vehiclesoil-track interaction phenomenon in a computationally rigorous manner. The proposed method takes full account of wave propagation effects in the subsoil
Juan S., Gutierrez G. +4 more
core +2 more sources
Slab Track Optimization Using Metamodels to Improve Rail Construction Sustainability [PDF]
, 2022 [EN] Railways are an efficient transportmode, but building and maintaining railway tracks has a significant environmental impact in terms of CO2 emissions and use of raw materials. This is particularly true for slab tracks, which require large quantities
Insa Franco, Ricardo +3 more
core +1 more source
Advances in Civil Engineering, Volume 2025, Issue 1, 2025.The theoretical and analytical approaches of stochastic dynamics constitute the foundation for performing in‐depth inquiries into the random dynamic behavior of high‐speed railway vehicle–track system (RVTS). The proposal of the generalized probability density evolution method (PDEM) has opened up new perspectives for the stochastic dynamic analysis of
Dengke Ma +5 more
wiley +1 more source
Shanghai Jiaotong Daxue xuebao, 2022 Taking the damping layer as the research object, first, by using the dynamic mechanical test, based on the high-order fractional derivative FVMP model, and in combination with the temperature-frequency equivalent principle, the temperature and frequency ...
NIU Zhenyu, LIU Linya, QIN Jialiang, ZUO Zhiyuan
doaj +1 more source
Formulating a Strategy for Securing High-Speed Rail in the United States, Research Report 12-03 [PDF]
, 2013 This report presents an analysis of information relating to attacks, attempted attacks, and plots against high-speed rail (HSR) systems. It draws upon empirical data from MTI’s Database of Terrorist and Serious Criminal Attacks Against Public Surface ...
Butterworth, Bruce R. +3 more
core +1 more source
The Protective Effect of Isolation Piles on Deformation of Adjacent Existing Railways
Advances in Civil Engineering, Volume 2025, Issue 1, 2025.The isolation pile is the main measure used to reduce the mutual influence between neighboring projects in engineering. In response to the issue of the protective effect of isolation pile technology on the deformation of adjacent existing railway subgrades, this research adopted numerical simulation and a loading deformation analysis method considering
Ying Yang +6 more
wiley +1 more source
Comparison of the Structural Performance of Ballasted and Non-Ballasted Pavement of the Railway with the Help of Beam Models on Elastic Bed and Finite Element Model [PDF]
, 2023 Today, many countries are opting for ballast less paving of railways using concrete line slabs as an alternative. Ballast paving is particularly prevalent in high-speed lines, urban railways, as well as bridges and tunnels designed for high loads and ...
Hadimuljono, Joewono, Sudrajat, Muhammad
core +2 more sources