Science and Technology

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Applying transient modes when diagnosing major components of rolling stock with the use of reference models
2 024
Numero:
Num. 12
Abstract - The article substantiates the importance of diagnosing critical components of rolling stock in order to improve traffic safety and reduce operating and repair costs. Such units include: ... leggi tutto
Estimation of the reduction of CO2 emissions in cargo trans-portation trough the implementation of the Pacific railroad network in Colombia
2 024
Numero:
Num. 11
Summary - This article estimates the reduction of greenhouse gas emissions in the transportation of cargo between the port of Buenaventura and the Bogotá-Cundinamarca region in Colombia, through the... leggi tutto
Urban mobility by ropeways: their climate footprint
2 024
Numero:
Num. 11
Summary -The article presents an attempt to evaluate the carbon footprint of urban cable cars on the example of the established urban cable car transport system in the city of La Paz, Bolivia, using... leggi tutto
Models for estimating the cost of road public transit: a state of the art
2 024
Numero:
Num. 10
Summary - The estimate of the local public transport (LPT) standard cost is a topic of great interest in countries that subsidise these services with public resources, as it is essential to regulate... leggi tutto
Next-generation mobile networks for the future railway
2 024
Numero:
Num. 10
Summary - To date, more than 100,000 km of railroads (11,000 km in Italy) are equipped with GSM-Railway (GSM-R) radio coverage. This network infrastructure ensures the fundamental track-to-train... leggi tutto
Leveraging emerging technologies: an in-depth analysis of the new era of track tamping
2 024
Numero:
Num. 9
Summary - The track tamping is an essential intervention for the maintenance of the railway network, ensuring safety, efficiency and comfort in rail transport. Traditionally carried out with... leggi tutto
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

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Consumo energetico nelle ferrovie metropolitane
2024
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... read all
Calculation of the track
2024
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... read all
Diagnostics of the railway track - Possibility of development through the measurement of accelerations and contact forces
2024
Num. 2
Summary - The safety of rail transport is affected by the condition and integrity of the infrastructure on which the rolling stock circulates.The article aims at making a bibliographic analysis of ... read all
Laboratory compaction of unbound mixtures for road and rail uses and comparison of compaction procedures
2023
Num. 12
Summary - The service life of a road and rail superstructure is strongly affected by the bearing capacity of the subgrade. The action of thickening the soil is an operation of absolute importance,... read all
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

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