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Το λεξικό οδικών τεχνικών όρων της PIARC διατίθεται πλέον ηλεκτρονικά (on-line) και στην Ελληνική γλώσσα. Η μετάφραση βασίσθηκε στην έντυπη έκδοση του 1991 η οποία έγινε με την οικονομική βοήθεια της UNESCO.  Η επιμέλεια εισαγωγής των τεχνικών όρων έγινε από τον Δρ. Δημήτριο Κωνσταντινίδη (Αγγλόφωνο Γραμματέα της Τεχνικής Επιτροπής 4.4 "Γέφυρες και σχετικά Τεχνικά").

Πρόσβαση στην ηλεκτρονική έκδοση του λεξικού οδικών τεχνικών όρων της PIARC έχουν μόνο τα μέλη μέσω της ηλεκτρονικής ιστοσελίδας www.piarc.org.

Ενδιαφέρουσες δημοσιεύσεις της PIARC

Παρουσιάζονται εδώ μερικές από τις δημοσιεύσεις της PIARC, οι οποίες διατίθενται για download στην Αγγλική και Γαλλική γλώσσα.

Η κεντρική ιστοσελίδα της PIARC (http://publications.piarc.org/en/search/advanced-search.htm) διατέτει μηχανή αναζήτησης για την γρήγορη ανέυρεση όλων των διαθεσίμων κειμένων με βάση λέξη-κλειδί (στην Αγγλική Γλώσσα). Τα υπάρχοντα κείμενα και εκθέσεις διατίθενται ως επί το πλείστον δωρεάν για download στην Αγγλική και Γαλλική γλώσσα, ενώ μπορεί κανείς να τα παραγγείλει και σε έντυπη μορφή ή σε CD (επί πληρωμή)

This technical report synthesizes information on techniques to reduce the impact of road construction, rehabilitation and maintenance activities on road users (driving public and construction workers) and the adjacent land use (homeowners, businesses, etc.).

The study included a survey to collect agency information and to summarize and draw conclusions on the impact of road construction and maintenance activities on road users (driving public and construction workers) and the surrounding land use. Information collected as a part of the study included solutions to improve user or construction worker safety, regulations (e.g. requirements for construction work to take place during weekends or nights), environmental considerations (e.g. dust control), quality/performance (contractor incentives to complete a project earlier to reduce the impact on road users) or special treatments to ensure that local traffic is not adversely impacted by construction activities, etc.

In addition to the synthesis of information, this document outlines the process of innovation and provides case studies of innovative techniques to minimize the impact of road work on the surrounding environment.

There are several ways for introducing innovation in the design and construction of roads among which: regulations, procurement methods and policy of road managers. Each of them has financial implications which will be faced either by the road manager who will pay for the reduction of impacts, or by the contractor of innovation allows for higher productivity or other savings.

The appendices of this report present some innovations which can be used to reduce the impact of road construction and maintenance activities on road users and adjacent land use.

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The aim of this report is to discuss about the introduction of economical criteria in bridge management, in addition to usual technical criteria. It comprises two parts:

Part 1: a presentation of actual practices in PIARC Committee 11 Member countries in the field of bridge management, based on the results of survey,

Part 2: an analysis and reflection towards an improved management of bridges taking in account whole life costing and user's cost.

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The management of bridges is greatly affected by the material used in their construction as well as for repairs and maintenance, with regard to requirements of performance, durability and quality.

In order to obtain a better understanding of the availability and development of innovative materials in the bridge environment, the Committee embarked on a major investigation of state of the art literature on this very broad subject.

By its nature, such an undertaking is limited by manufacturer's reluctance to divulge information on innovative materials and by the sheer volume of material available.

This document aims at providing information and cannot give recommendations for the use of the procedures discussed. Any reference to proprietary products has been avoided while the characteristics by the various representatives, for new products or techniques are not always accompanied by laboratory tests, and thus are given under their own responsibility.

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It is essential to apply adequate rehabilitation methods when damage or deficiency is revealed by inspection. Since bridge structures suffer various kinds of deterioration and damages, many kinds of rehabilitation and strengthening methods have been developed. The objective of this sub-topic is to provide bridge engineers with practical, informative examples of these methods. The working group accumulated technical information on effective ways of rehabilitating various types of bridges. This report covers: principal types of damage and defects in concrete bridge components, as well as their causes; general rehabilitation actions; current practice for effective bridge rehabilitation. Damages caused by accidental events such as earthquake, collision and fire are managed in completely different ways and so were not covered in this work.

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New bridges are usually considered as long term investments. Therefore they should be designed to comply not only with the demands on trafficability and durability of today, but also with the future demands. For the road manager the goal should be to find solutions which fulfil present and future demands on trafficability etc. at the lowest socio-economic life cycle costs. An important parameter in this optimization process is the type of structure selected for the new bridges. The selection naturally depends on the physical obstacles which are to be bridged, parameters concerning demands of road-users and society, and on other considerations relating to design and construction as well as on experience of management of the existing bridge stock.

This report aims at analysing the selection of types of structures from the road manager's point of view according to the influence of their own experiences and illustrated by experiences in Western, central and Northern Europe, Northern America and Asia.

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Maintenance is essential to prevent the deterioration of asset value and ensure user safety. However, the budgets allocated for maintenance are often considered insufficient to keep the infrastructure at optimum levels. The reasons for this funding shortfall can be a lack of means within the road administration, but it can also be due to the poor justification of need to decision-makers. PIARC Committee C6 was asked to analyse, from a practical point of view, the options open to road administrations for the compilation and presentation of maintenance budgets and their effectiveness. The objective of this study was to determine best practices, by comparing the various methods, from the simplest to the most complex.

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This report mainly identifies incident detection and verification devices being used in tunnels to provide operators with the information required to implement response scenarios, devices and systems being used by operating agencies to respond to incidents, and communicate with motorists within the tunnel.

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