Science and Technology

Ricerca nelle sezioni IF

Analysis of project variables in the process of optimising the mobility-economy-environment trinomial: the acoustic impact in the railway case
2 019
Numero:
Num. 11
Summary - A public investment in the mobility network sector requires the evaluation of the complete scenario before and after work and a rigorous comparative analysis of possible alternatives. On... leggi tutto
Maintaining railway lines efficient in northern Europe in presence of snow and ice
2 019
Numero:
Num. 11
Summary - The following article describes the technical characteristics and the methods for maintaining efficient railway lines in some northern European countries that are historically accustomed to... leggi tutto
The predictive maintenance of railway bridges through an Internet of Things framework. An implementation proposal
2 019
Numero:
Num. 10
Summary - In the field of civil infrastructures, the vast majority of those, built since the middle of the last century, are subject to a global deterioration of mechanical properties due to varied... leggi tutto
LRT systems in Spanish medium-sized cities: the cases of Granada and Tenerife
2 019
Numero:
Num. 10
Summary - This research makes a comparison between Granada’s and Tenerife’s line 1 LRTs in relation to the urban insertion, the technical characteristics of the lines and vehicles, the operational... leggi tutto
The evaluation of public investments according to the cost-benefit analysis: an application to the Formia-Gaeta railway line
2 019
Numero:
Num. 9
Summary - Not always a decision-making process in- volving the transport system leads to making rational choices. There is a syndrome known in the literature as “planning fallacy”, according to which... leggi tutto
The great season of railway electronic drives
2 019
Numero:
Num. 9
Summary - The article provides an overview of the steps taken by electronic drives for railway vehicles, from the first steps of the ‘70s to the gradual diffusion up to the total affirmation of today... leggi tutto
Dynamic aggregate models for forecasting of freight demand and road/railway modal split at the Brenner
2 019
Numero:
Num. 8
Summary - The article proposes an approach for estimating the evolution of the Brenner freight traffic demand based on econometric models and techniques for the analysis of historical series.... leggi tutto
Magnification effect of buildings on surface vibrations induced by metro trains operation
2 019
Numero:
Num. 8
Summary - This paper aims to disclose the cause of amplification of surface vibration induced by train operation in rapid transit system. The surface vibration was measured on site, and a 2D finite-... leggi tutto
Technological and organizational evolution of railway traffic in Italy
2 019
Numero:
Num. 6
Summary - The increasing demands of regularity and productivity of the railway system have induced to the use of new technologies for the remote control and the automatism of the apparatus in the... leggi tutto
System implementation for automatic reading and analysis of Electronic Tachograph Records
2 019
Numero:
Num. 6
Summary - The data in the electronic tachograph records (ETR) constitute an important source of information necessary to improve railway operation both from the point of view of reliability and... leggi tutto

Pages

A methodology for correlating the quality of the pantograph-catenary contact with the harmonic content of the current collected. A case of multiple current collection
2010
Num. 3
  It is a well known fact that when the catenary supply system is mechanically disturbed, electric arcs may develop on contact between the catenary and the pantograph. The variation in supply voltage... read all
Operations research models for programming support of cadenced timetables
2010
Num. 1
  In this article we propose to briefly describe an approach for the problem modelling, based on Operations Research and Mathematical Programming. This analysis is oriented to the planning of the... read all
Techniques and methodologies for carrying capacity evaluation: comparative analysis and integration perspectives
2009
Num. 12
  The article provides with an analysis of methods and techniques for the qualification of the railway capacity, classified by reference to factors having a direct relationship with the obtained... read all
Railway bridges seismic design and assessment of base isolation hypothesis
2009
Num. 11
  This document assesses the effects connected with the adoption of seismic base isolators in railway viaducts with reference to the “Cintura” viaduct (located in the outskirt of Bologna High Speed/... read all
An integrated methodology for 2x25 kV, 50 Hz traction system calculation Evaluation of the regenerative braking effects in a HS/HC railway line
2009
Num. 11
  The paper describes an integrated calculation methodology which, by simulating railway traffic, allows analysis of the performance of 2x25 kV 50 Hz electric traction systems. This methodology... read all
Research activity for the introduction of the “Long Locomotive” braking arrangement
2009
Num. 10
  The workgroup n°6 (Freight trains composition) of the ITALCERTIFER committee, has worked on a series of activities concerning the optimization of freight train compositions. In this paper are... read all
Check and forecasting of railway traffic regularity by a PETRI Nets based simulation model
2009
Num. 9
  The article describes the main features of a railway operation simulation model. The model simulates the operation of the elementary devices composing the railway traffic management systems by... read all
High Speed/High Capacity Milan-Bologna Railway Line Dynamic analyses of bridge and viaduct interoperability
2009
Num. 6
  This document presents a study on the dynamic effects on bridges and viaducts of the Milano- Bologna High Speed/High Capacity railway line in order to verify the requirements established by the... read all
Calculation of induced noise from electrified traction lines in telephone pairs
2009
Num. 5
  This paper describes a method for the calculation of the induced noise in a telephone pair, in the audio frequency band (300Hz-5000Hz), due to the influence of the electromagnetic fields produced... read all
Tilting trains / Conventional trains Comparison of the lateral forces acting on the track
2009
Num. 4
  The semi-static effects of tilting trains running on the track superstructure are investigated by means of linear mathematical models.These effects are due to the increase of the running speeds in... read all

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