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  The TYROSAFE Project is a Coordination and Support Action (CSA) in the Seventh EU Framework Programme. The project is aimed at coordinating and preparing for European harmonisation and optimisation of the assessment and management of essential tyre/road interaction parameters, to increase safety and support the greening of European road transport. This work is being carried out in six work packages (WP), as follows: 􀂃 WP1: Policies of EU countries for skid resistance / rolling resistance / noise emissions; 􀂃 WP2: Harmonisation of skid-resistance test methods and choice of reference; surfaces 􀂃 WP3: Road surfaces properties – skid resistance / rolling resistance / noise emissions; 􀂃 WP4: Environmental effects and impact of climatic change – skid resistance / rolling resistance / noise emissions; 􀂃 WP5: Dissemination and raising awareness; 􀂃 WP6: Management. The objective of Work Package 3 is to identify and describe the different parameters of road surfaces and tyres that are relevant to skid resistance, rolling resistance and noise emission. The intention is that this should lead to a matrix which clarifies the interdependencies of the different parameters and contributes to an understanding of how they might be optimised in the construction of road surfacings in Europe. The Work Package, therefore, will make recommendations concerning the design of road surfaces with a view to improving road safety and, by identifying gaps in current knowledge, suggest approaches for further research into the optimisation of road surfaces. To achieve this, WP3 has been split into four Tasks, described in the original project plan as: • Task 3.1 – collecting the knowledge of parameters influencing skid resistance; road surfaces and tyres will be treated. • Task 3.2 – collecting the knowledge of parameters influencing rolling resistance • Task 3.3 – collecting the knowledge of parameters influencing noise emissions • Task 3.4 – developing matrices which show the interdependencies of the different parameters, arranging the gap of knowledge and requirements for further research. This task also includes organising two workshops (one of which was held in May 2009, with the next planned for early December 2009) to obtain input from experts from different fields and countries. This report is the main output from Tasks 3.1, 3.2 and 3.3 and constitutes the deliverable D10. Its main purpose is to review current knowledge about parameters for optimising skid resistance, rolling resistance and noise emissions for road surfaces and tyres. The ongoing analysis will be based on the results of both historic and current research related to these topics identified in this report and on the outcomes of the planned experts’ workshop. Chapter 2 of the report provides some general background, introducing some important concepts relating to the influence that the three main aspects (skid resistance, rolling resistance and noise emissions) have, particularly on road safety. The chapter also introduces some of the more important parameters relating to road surfaces and tyres that may need to be optimised. The individual parameters and their particular influence on skid resistance, rolling resistance and noise are discussed in more detail in Chapters 3, 4 and 5 respectively. Chapter 6 summarises knowledge of the durability of the different parameters, but mainly concerning skid resistance. The ideas relating to interactions between the various factors will be covered later in the project, in Deliverable D14; a full analysis of knowledge gaps and proposals for further research will be covered later, in D15.
content link: http://tyrosafe.fehrl.org/index.php?m=49&mode=download&id_file=8292
content language: English
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created: Marco Conter, 14.07.2010 16:01:59
last modified: Marco Conter, 15.07.2010 10:08:10