Results 81 to 90 of about 1,258 (248)
Crack Detection of Track Slab Based on RSG-YOLO
IEEE Access, 2023 The surface cracks on high-speed railway ballastless track slabs directly influence their lifespan, while the efficiency of damage detection and maintenance is crucial for ensuring operational safety.
Tangbo Bai +4 more
doaj +1 more source
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
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
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
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
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
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
Ballastless Track – Minimizing the Climate Impact [PDF]
, 2021 Railway transportation is becoming increasingly important for transport of passengers and goods in Sweden, Europe and many parts of the world. Ballastless (slab) railway systems are increasingly in use; however, their construction is known to cause a ...
L\uf6fgren, Ingemar +2 more
core
Dynamic calibration of slab track models for railway applications using full-scale testing [PDF]
, 2020 Research and development of technology for railways has found new impetus as society continues to search for cost effective and sustainable means of transport. This tasks engineers with using the state-of-the-art science and engineering for rolling stock
Abdala Filho, J. E. +13 more
core +1 more source
Intelligent recognition of defects in high‐speed railway slab track with limited dataset
Computer-Aided Civil and Infrastructure Engineering, Volume 39, Issue 6, Page 911-928, 15 March 2024.Abstract During the regular service life of high‐speed railway (HSR), there might be serious defects in the concrete slabs of the infrastructure systems, which may further significantly affect public transportation safety. To address these serious issues and fulfill the regular functions of HSR, the traditional methods for railway engineers involve ...
Xiaopei Cai +7 more
wiley +1 more source