Science and Technology

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Cross-over turnouts: unjustified ostracism?
2 024
Numero:
Num. 8
Summary - Railway Regulations require unquestionable compliance with the Rules. This also applies to track designers who must apply the Specifications relating to the matter. The unconditional... leggi tutto
Digital information management of railway constructions: comparative analysis of technologies for BIM modeling
2 024
Numero:
Num. 8
Summary - Given the multidisciplinary nature characterizing BIM and the heterogeneity of the stakeholders involved in the development of a facility project, the BIM methodology cannot be applied... leggi tutto
Detecting lateral track irregularities by onboard measurements of lateral acceleration and displacements and Machine Learning algorithms
2 024
Numero:
Num. 8
Summary - Understanding the development of track defects, which can have a significant impact on the safety of train operations, is one of the most crucial responsibilities for railway engineers.... leggi tutto
A Mixed-Integer-Linear-Programming Model for Rescheduling Freight Trains under an Unexpected Marshalling-Yard Closure
2 024
Numero:
Num. 6
Summary - In this study, we consider rescheduling freight trains to reduce the effects of major interruptions. We assume that the interruption is an unexpected marshalling-yard closure, and we... leggi tutto
Comparing european track access charge mechanisms and their impact on networks use
2 024
Numero:
Num. 6
Summary - Track Access Charges (TAC) represents the fees paid by operators to utilize railway infrastructure, encompassing tracks, stations, and related facilities. These charges play a crucial role... leggi tutto
Modeling and simulation of Track Circuits
2 024
Numero:
Num. 5
Summary - Track circuits (TC) are special electrical circuits composed in part of the rails of the tracks, Electrical signals are circulated in them by which it is possible to determine the status of... leggi tutto
Consumption and impacts of cable-driven People Movers: modal comparison and modern trends
2 024
Numero:
Num. 5
Summary - Although the effectiveness of aerial ropeway systems is recognized for their low energy and low environmental impact, with generally lower consumption and emissions than other means of... leggi tutto
Consumo energetico nelle ferrovie metropolitane
2 024
Numero:
Num. 4
Summary - The present work analyzes the energy consumption of the electric railway system, referring mainly to the metropolitan lines and indicating the parameters that characterize them. Both the... leggi tutto
“Cradle to gate with options” analysis of railway concrete sleepers
2 024
Numero:
Num. 4
Summary - The transportation sector is responsible for about 25% of greenhouse gases and plays a pivotal role in countering global warming and emissions to the air. Railway is the most efficient... leggi tutto
Calculation of the track
2 024
Numero:
Num. 3
Summary - The substantial equivalence of the calculation methods of the track according to Winkler and Zimmermann’s currents consolidated over time (continuous beam on elastic soil) and that of... leggi tutto

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Automatic passenger counting on buses for local public transport: evaluation of the reliability of a system based on pressure sensors
2023
Num. 11
Summary - The period of the COVID-19 pandemic imposed interpersonal distancing in various places, first of all, for public transport: knowing automatically the passengers on board would have been... read all
Hydrogen-powered trains operation: normative constraints and assessment on a cases study
2023
Num. 10
Summary - The use of Hydrogen-powered propulsion in railways is very promising and already found relevant commercial applications. Some potential barriers emerged anyway as critical issues addressed... read all
Study of the thermo-mechanical damage in steels for shoe-braked railway wheels using innovative small-scale tests
2023
Num. 8
Summary - The behavior of three railway wheel steels (HYPERLOS®, ER-TEN, and SUPERLOS®) coupled with two brake block materials (cast iron and organic composite) and R260 rail steel was studied by... read all
Pantograph-rigid overhead interaction: a simplified method of analysis
2023
Num. 4
Summary - The study defines a simplified method of kinematic and dynamic analysis of the interaction between a pantograph and a rigid overhead contact line. The difficulty in finding specific... read all
Consequences of the ban on sale of internal combustion engine cars in Europe
2023
Num. 3
Summary - This paper studies the consequences of the imposition of the ban on sale of internal combustion engine cars (ICE) decided by the Parliament of the European Union. By using a dynamical model... read all
Innovation in railway bogie maintenance using a portable weighing system
2023
Num. 1
Summary - The distribution of the vertical forces exerted by the wheels on a track is a very important parameter for the safe running and operating economy of a railway vehicle. Under static... read all
Study of dynamic buckling in droppers of high-speed railway line catenary during pantograph passage
2022
Num. 12
Summary - The dynamical actions to which the catenary dropper is subjected during the pantograph passage can become very relevant for high speeds of railway vehicle. In some very rare and isolated... read all
Innovative materials in the bogie frame design
2022
Num. 11
The aim of this paper is focused on the materials used for the manufacturing of the railway bogie frames. The paper will highlight the allowable and innovative materials after discussing the... read all
Check rail of turnouts
2022
Num. 6
Summary - The check rails of rail turnouts are responsible for protecting the integrity of the crossing nose. The relative action on the axes in transit – whose frequency of occurrence is analysed –... read all
Method for analysis and identification of adhesion coefficient through on-board sensors
2022
Num. 5
Summary - The digitalization of data and the technological development of systems in the railway field offer countless advantages, including the ease of reading, processing and transmission of the... read all

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