Infrastrutture stradali più sicure. Fase I: i criteri

This monograph is a PIARC technical report which will be distributed on the occasion of the XXVI National PIARC Conference to be held in Rome on 27-30 October 2010. The report has been drafted by members of the C1 Technical Committee of the PIARC, comprising academics, road management bodies and road designers, chaired by Prof. Domenichini, a lecturer at the University of Florence. The report is divided into three chapters that address three extremely topical issues in the field of road infrastructure safety: the European Directive 2008/96/EC on road infrastructure safety management; analysis of the human factor in road accidents, and transition areas for the protection of urban sections of extra-urban road systems

Infrastrutture stradali pi\uf9 sicure. Fase I: i criteri : XXVI Convegno nazionale stradale

The monograph is a WRA technical notebook that will be distributed on the occasion of the 26th WRA National Convention to be held in Rome on 27-30 October 2010. The notebook was prepared by the members of the Technical Committee C1 of the WRA, made up of Academics, Road Management Bodies and Planners and chaired by Prof. Domenichini, Professor at the University of Florence. The book is divided into 3 chapters that address three highly topical issues in the field of road infrastructure safety: the European Directive 2008/96/EC on the management of road infrastructure safety, the analysis of the human factor in road accidents and the transition areas to protect the urban sections belonging to the extra-urban roads.La monografia \ue8 un quaderno tecnico AIPCR che sar\ue0 distribuito in occasione del XXVI Convegno Nazionale AIPCR che si terr\ue0 a Roma nei giorni 27-30 ottobre 2010. Il quaderno \ue8 stato predisposto dai membri del Comitato Tecnico C1 dell\u27AIPCR, costituito da Accademici, Enti Gestori di Strade e Progettisti e presieduto dal Prof. Domenichini, docente dell\u27Universit\ue0 di Firenze. Il quaderno \ue8 suddiviso in 3 capitoli che affrontano tre temi di grande attualit\ue0 nel campo della sicurezza delle infrastrutture stradali: la direttiva europea 2008/96/CE sulla gestione della sicurezza delle infrastrutture stradali; l\u27analisi del fattore umano nell\u27incidentalit\ue0 stradale; le zone di transizione a protezione dei tratti urbani appartenenti alla viabilit\ue0 extraurbana

Consideration of Seasonal Temperature Changes in the French Pavement Design Method

Summary Road structures consist of multiple layers. Different types of road structures are as follows: flexible structures, thick bituminous structures, semi-rigid structures, mixed structures, rigid structures, and inverted structures. The French pavement design method combines theoretical pavement mechanical calculations, the results of laboratory modulus and fatigue tests on treated pavement materials,and data from feedback from full-scale experiments. The stiffness and fatigue performance of bituminous materials vary with temperature. The chapter is concerned with the presentation of equivalent temperatures calculated by this new procedure and the consequences upon bituminous pavement design. A method of incremental damage calculation with fixed time steps, which takes into account the real temperature variations throughout the year obtained from instrumented pavement sections, was developed and implemented in the V.1.5.1 version of the pavement design software Alize-LCPC. Equivalent temperature, as understood in the French pavement design method, is calculated for the SERUL site, using daily temperature data measured in the pavement