Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux

Type de document

RAPPORT DE RECHERCHE

Langue

anglais

Auteur

BENBOW ; HARRINGTON ; WRIGHT ; LANG ; SJOGREN ; BOUTELDJA ; CEREZO

Résumé / Abstract

Toolbox is one project in the ERA-NET ROAD programme. ERA-NET ROAD - Coordination and Implementation of Road Research in Europe was a Coordination Action funded by the 6th Framework Programme of the EC. The partner countries in ToolBox are Austria, France, Sweden and UK. Pavement managers deal with complex decisions when identifying lengths of their networks in need of maintenance and planning the appropriate maintenance treatments. Currently, they are heavily dependent on experience, even though many support systems exist, such as guidelines, monitoring and information systems. This project aims to advance the development and implementation of practical strategies and tools to assist road authorities in optimising the maintenance of their road networks, whilst still addressing the key interests, new challenges and expectations of road users. ToolBox aims at developing a 'concept for proper maintenance planning' to assure the selection of adequate maintenance works ('schemes' or 'objects') to make effective use of the maintenance budget, based on available road condition data, to give minimal negative effects on road users, safety for road workers and the environment. This report covers Work Package 3 of the ToolBox project, where a decision making tool has been developed in Microsoft Excel. This tool will be used within Workpackage 4, to demonstrate a new and innovative way for optimising lengths for maintenance. The ToolBox tool firstly groups lengths of a similar condition into schemes, suggests what maintainance might be needed in order to return these schemes to good condition and can then be used to perform whole life costing on these schemes. Functional triggers are used to defined the overall condition of individual lengths and these are described in Chapter 2 of this report. These functional triggers cover comfort, durability, safety and environment. Data requirements for Toolbox are discussed in Chapter 3, along with whether the data is generally available and how missing, or insufficient data could be dealt with. Chapter 4 contains a description of the spread sheet tool, developed for ToolBox, including the method used to select maintenance candidates. How treatments are then chosen for these maintenance candidates is also described in this chapter. The Life Cycle Cost Analyses used to prioritise candidates are then discussed and described in Chapter 5. The goal of ToolBox is to have a working concept that can be demonstrated in the end of the project. If this will be successful it is possible to, in the future, improve the models or even add new models to the concept.