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III SIIV International Congress
Lloc i data: Bari, Italia, Setembre 2005
Presentació:Congrès de caràcter anual organitzat per la Societat Italiana d’Infrastructures Viàries.
Ponències:
"Modeling e-Logistics For Urban B2C In Europe" Robusté, F, M. Campos, M. Estrada y D. Galván
"Feasibility of a high speed railway network on the main corridors of the countries recently incorporated to the European Union" López Pita, A.; C. Casas, A. Bachiller i P.F. Teixeira
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PONÈNCIES |
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Modeling e-Logistics For Urban B2C In Europe
Autors: Robusté, F, M. Campos, M. Estrada y D. Galván
Congrés: III SIIV International Congress
Lloc i data: Bari, Italia, Setembre 2005
Idioma: anglès
Resum:
Major cities need to carry out good delivery operations that coexist with the rest of urban functions. The efficiency in city organisation depends directly on the proper management of logistic networks. In this context, Urban Logistics is born to improve the efficiency in public facilities dealing with the organisation of supply networks, especially in urban freight transport networks.
This paper quantitatively models supply chains in the vehicle routing problem with time windows, especially in the delivery of e-commerce companies. Orders are placed through internet, but deliveries are made at the customer’s home. The model takes special account of the effect produced on logistics variables (distances, times, costs, shipments, stops, etc.), by the way in which orders are received, and includes the delivery in time windows in urban areas.
Planners should design parking space and loading/unloading procedures so that the deliveries are made efficiently and with little traffic perturbation, and the industry should start getting ready to understand the high cost of this quality of service: the “picking” process has a high cost that cannot be assumed in high volumes and everyday the good (the street is contemplated as a scarce social good) and bad (double parking, bus lane blocking, etc. causing additional traffic congestion) use of the streets will likely cost more money. An application to Barcelona, Spain, for the food distribution sector (supermarkets) shows that, for the previously stated reasons, the current industry procedures are only feasible for very low demand share (less than 10%).
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Feasibility of a high speed railway network on the main corridors of the countries recently incorporated to the European Union
Autors: López Pita, A.; C. Casas, A. Bachiller i P.F. Teixeira
Congrés: III SIIV International Congress
Lloc i data: Bari, Italia, Setembre 2005
Idioma: anglès
Resum:
Over the last two decades railways have made important efforts among the EU-15 countries to improve the quality of the daytime interurban train services. In especial, this effort has been devoted to the construction of new infrastructures suitable for high speed traffic.
The incorporation of new countries to the European Union to constitute the EU-25, allows to considerate the convenience to approach the railways policy in the CEEC (Central and Eastern European Countries) space in a similar way than the policies carried out in the EU-15.
This paper analyzes the experience available, synthesizes the guidelines used in the EU-15 countries and applies them to the countries that have been recently incorporated to the European Union to constitute the EU-25.
The conclusions of the research, carried out by the authors in the Center for Innovation in Transport (CENIT) during the year 2004, alerts of the risks of a direct extrapolation of the EU-15 countries experience to the Central and Eastern European Countries.
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