1.4. 2025 Volume 22, Issue No. 4. Böngészés a megjelenés dátuma szerint
Találatok megtekintése: 1-17 összesen: 17
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Inverse Iterative Methodology for Welded Joints Characterization in Construction Designing and Comparison to Classical Approach
(2025)Traditional approach in structural designing and strength assessment that observes structure without welded joints is sufficiently accurate in terms of elastic response, in comparison to yield strength. The main idea of ... -
Dynamic Modeling Possibilities of Embedded Rail Structures
(2025)In Hungarian design practice, the Zimmermann-Eisenmann quasi-static design method is employed to dimension track structures with embedded rails. This method determines the mean values of deformations and stresses using ... -
Investigation of the Modified Ballast Breakage Index for a Laboratory Test Series using the Proctor Compactor Machine
(2025)The rock physics properties of the crushed railway ballast include resistance against breakage and wear. The qualification of such materials and their compliance with requirements is mainly considered by two standard ... -
Laboratory Investigation on Seams between Rails and Hardened Fine-grained, as well as Hadfield Steel Plates with Manual Arc Welding
(2025)In the last decade, hardened fine-grained plate components have been used in turnouts and crossings on Western European urban rail networks, as well as in Hungary, in place of traditional rail or Hadfield steel components. ... -
Determination of Dynamic Characteristics and Features of Operation of Pneumatic Springs of High-Speed Railway Rolling Stock, while Changing the Pressure Gauge in the Spring
(2025)The object of research is the pneumatic spring of the pneumatic spring suspension system for high-speed railway rolling stock. A methodology for experimental tests and theoretical studies of a pneumatic spring has been ... -
Experimental Study of the Influence of a Defective Ground Surface, on Increasing the Acceleration and Movement of Sleepers during the Action of Railway Rolling Stock
(2025)A review of the research on the study of the outflow of heterogeneous roadbed of railway tracks on the development of irregularities on the track and its impact on the increase in dynamic impact on the track is carried ... -
Development of Devices for Long-Term Railway Track Condition Monitoring: Review of Sensor Varieties
(2025)There are numerous methods for monitoring the condition of railway tracks. In most cases, either the geometry of the railway track or its interaction parameters with moving trains are checked. This work is a component ... -
A Roughness, Feature-based Algorithm of Point Cloud Segmentation of the Secondary Lining in NATM Tunnel
(2025)To realize point cloud segmentation of secondary lining in tunnel under construction, a roughness feature-based point cloud segmentation algorithm for secondary lining is developed in this paper. Preprocessing of raw ... -
Automated Inspection System with GPS and Deep Learning in Urban Rail Safety and Efficiency
(2025)Paper focuses on a novel automated rail inspection system, incorporating advanced technologies such as GPS for precise location tracking and GSM/GPRS modules for efficient data transmission. The system uses deep learning ... -
Measuring the Efficiency of Rail Freight Transport – A Case Study
(2025)Railway transport plays an important role in a country's economic development. Efficiency is one of the most significant performance indicators in the railway sector. Evaluating, monitoring, and improving efficiency is ... -
Enhancing Railway Section Capacity, during Expansion of the European Railway Network
(2025)The Trans-European Transport Network was established by the European Union to connect Europe from west to east and north to south through a transportation network. One of the challenges in organizing barrier-free railway ... -
Numerical Analysis of Stabilization Schemes for the Deformed State of Railway Embankment, Using Piles
(2025)This article presents a numerical analysis of stabilization schemes for the deformed state of a railway embankment using piles. The study involves the analysis of the concept of reinforcing the railway embankment with ... -
Rolling Contact fatigue Defects and a New Approach to Rail Material Management
(2025)This article describes the current method of calculating the Hertzian contact stress and the corresponding shear stress occurring in the rail head at the rail-wheel contact and highlights the false sense of security that ... -
Influence of Rail Surface Geometry on Wear and Service Life of Crossing Rails
(2025)Malfunctioning components on railroads can lead to the decrease of efficiencies. Switch frog is costly, but has a short service life. However, for safety reasons, regular inspection is necessary. Determining the service ... -
Estimation of Vertical Forces and Track Degradation Considering, Wheel-Rail Interaction, Railway Traffic Severity and Seasonal Conditions
(2025)Investigation of train speed, axle load and environmental conditions impact on the vertical forces that are exerted on railway tracks is an actual railway track condition monitoring issue. Authors studied this problem ... -
A Preprocessing Method to Improve Edge Crack Detection from Railway Tunnel Lining Images
(2025)Crack detection is critical for guaranteeing the safety of bridges, railways, and other infrastructures; however, it is a difficult task, particularly for tunnels. Tunnel lining images are primarily acquired using vision ... -
A Fuzzy Framework for Assessing and Prioritizing Railway Infrastructure Retrofitting Against Seismic Hazards – A Case Study
(2025)The railway system plays a crucial role in a nation's economy and society, extending beyond mere transportation. In earthquake-prone regions like Razavi Khorasan in Iran, railway infrastructure is highly vulnerable to ...