Science and Technology

Ricerca nelle sezioni IF

Laboratory compaction of unbound mixtures for road and rail uses and comparison of compaction procedures
2 023
Numero:
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,... leggi tutto
Automatic passenger counting on buses for local public transport: evaluation of the reliability of a system based on pressure sensors
2 023
Numero:
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... leggi tutto
The Tunnel Information Model for strategic infrastructure works
2 023
Numero:
Num. 11
Summary - In a modern world aimed at the digitisation of processes and information, Information Modelling represents an advanced way of representing the Information and Organisation Project in the... leggi tutto
Cosa si può fare affinché una misura sia sempre più utile?
2 023
Numero:
Num. 10
Summary - The evolution of electronics technology in the field of sensors has led to an incredible increase of data from measurements in all sectors. One problem that has arisen is that these... leggi tutto
Hydrogen-powered trains operation: normative constraints and assessment on a cases study
2 023
Numero:
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... leggi tutto
Aerodynamic analysis of a high-speed train using computational fluid dynamics technique
2 023
Numero:
Num. 9
Summary - A flow field analysis was conducted using CFD simulation to improve the aerodynamic performance and reduce drag coefficient of high-speed trains. A comparison of two different front shapes... leggi tutto
SEMOR: Safety Enhancement of Maintenance Operators in Railway worksite
2 023
Numero:
Num. 9
Summary - Safety on railway working sites is a crucial issue in ensuring that sentinels are not put at risk during the construction and maintenance of railway infrastructure. The SEMOR system... leggi tutto
Study of the thermo-mechanical damage in steels for shoe-braked railway wheels using innovative small-scale tests
2 023
Numero:
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... leggi tutto
Analysis of a radio mobile communication network availability with reference to railway applications
2 023
Numero:
Num. 8
Summary - RFI and the University of Rome Tor Vergata launched in 2018 a research on the mobile radio system that could replace the GSM-R. At the start of the study, LTE was a strong candidate for... leggi tutto
Analysing London Gateway using event-based simulation modelling
2 023
Numero:
Num. 6
Summary – The scope of this paper is to give an insight into one of the main deep-sea ports in the United Kingdom, the London Gateway, which is a part of the Thames Gateway project and to indicate... leggi tutto

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Migration to ERTMS for dense traffic lines: investigation methodologies and application to the Stockholm Citybanan case study
2021
Num. 12
Summary - Capacity of infrastructure in Railway depends on several factors, between them Control Command and Signalling (CCS) systems aim at providing improved operation by keeping constant safety... read all
Estimation of the propagation of delays: comparison between analytical methodologies and simulation approaches in the case study of the line “Direttissima” Rome-Florence
2021
Num. 11
Summary - The aspects related to the frequency of the service, travel time and punctuality are becoming increasingly important for passenger satisfaction and the expected level of quality. In fact,... read all
Train derailment verification using analytical relations and empirical formula
2021
Num. 10
Summary - The derailment of a railway vehicle may be attributed to different causes and may occur through the overturning of a vehicle, the lateral displacement of a track, wheel climb, or gauge... read all
Hydraulic checks in railway crossings: the bridge over the Esino river
2021
Num. 5
Summary - In a general context in which the effects of terrestrial overheating are increasingly evident, involving meteorological phenomena characterised by intense rain concentrated in increasingly... read all
Evaluation of the robustness of a railway measurement system by means of “Design of Computer Experiments” techniques
2021
Num. 3
Summary - In railway operations, data provided by wayside measuring systems could be useful for many reasons as ensuring safety and facilitating maintenance of the tracks. For example, measuring... read all
Vibrations mitigation of the track equipment on ballast
2020
Num. 12
Summary - The paper proposes a method for identifying the elastic characteristics of the track in order to mitigate the actions produced by the transit of vehicles. The study is based on the use of... read all
Unplanned rail service disruptions: Recovery Index for the station analysis where to set up a bus bridging
2020
Num. 11
Summary - The work proposes a quantitative model for the analysis of the resilience of railway lines with particular reference to the recovery activity through the setting up of a bus service. For... read all
Intelligent wheelsets for the trains of the future: the role of in-service wheel-rail force measurement
2020
Num. 10
Summary - The European rail sector has a strong interest in innovations for monitoring the operational condition of a running vehicle. Many high technology systems can lead up to future rail systems... read all
Calibration and development of a multi-axis roller bench for monitoring the braking system of a railway vehicle
2020
Num. 8
Summary - The installation of on-board monitoring systems is a fundamental aspect to increase the safety of railway vehicles and to obtain rational and efficient programming of maintenance... read all
Validation of data analytics and optimization algorithms within an Intelligent Asset Management System for rail signalling
2020
Num. 8
Summary - This paper describes the implementation phase of the Intelligent Asset Management System (IAMS), developed within the Shift2Rail IN2SMART project, under test and validation within its... read all

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