There are 777 results for your search

Sort by relevance by title by date

• Road Tunnels: Vehicle Emissions and Air Demand for Ventilation

  

  In 1990 and 1995 PIARC published the calculation methodology and the emission factors for road tunnel ventilation design. An update of the existing PIARC methodology was necessary, as the emission standards of the vehicles were becoming more stringent and hence the vehicles cleaner. The old version [...]

  • Date : 2004
  • Pages : 72
  • PIARC Ref. : 05.14.BEN
  • ISBN : 2-84060-177-X
• Role and Positioning of the Road Administration

  A Working Group of PIARC Committee C15 analyzed various aspects of the organization, roles and responsibilities of Road Administrations worldwide, in relation to external factors, such as economic development, social demands, environmental and safety concerns, technological development and political [...]

  • Date : 2004
  • Pages : 80
  • PIARC Ref. : 15.08.BEN
  • ISBN : 2-84060-172-9
• Safety at Roadworks

  

  Safety at all engineering works is improved through continuous training of supervisory and labour forces in the safe and proper use of power equipment and materials. In addition to these requirements, safety in roadworks requires the proper communication with and cooperation of the user. This report [...]

  • Date : 1996
  • Pages : 172
  • PIARC Ref. : 06.01.BEN
  • ISBN : 2-84060-038-2
• Safety Improvement on Interurban Roads

  

  Part one of the report is intended for political decision makers, to persuade them that implementing specific safety programmes is useful, getting them to understand that safety operations are not necessarily complicated and expensive. When road improvement schemes are programmed on the basis of multiple [...]

  • Date : 1991
  • Pages : 108
  • PIARC Ref. : 04.01.BEN
• Semi-Rigid Pavements

  The first chapter deals with terminology. Chapter II explains why one may be led to choose a semi-rigid pavement from all the various types available, and chapter III describes the various possible designs of these pavements. Chapter IV then discusses the methods used in designing semi-rigid pavements, [...]

  • Date : 1991
  • Pages : 312
  • PIARC Ref. : 08.02.BEN
• Slope Risk Guidance for Roads

  

  Slopes are, in general, associated with a greater frequency of failure than other geotechnical assets and a greater threat economically and socially. This report makes a synthesis of risk analysis methods and of vulnerability issues. It presents, in a series of appendices, mitigation measures with their [...]

  • Date : 2004
  • Pages : 112
  • PIARC Ref. : 12.13.BEN
  • ISBN : 2-84060-166-4
• Social Acceptance of Road Infrastructure Projects

  

  This report, which has been drawn up on the basis of an initial questionnaire distributed to the PIARC C4, aims primarily to provide answers, illustrated by a number of annexed examples, to the following questions: 1) What are the different levels of acceptance or recognition of projects that can [...]

  • Date : 2003
  • Pages : 192
  • PIARC Ref. : 04.07.BEN
  • ISBN : 2-84060-147-8
• Socio-Economic Demands and Modifications of Bridges

  Bridges provide vital links in the road network. Bridges are one of the network elements that require the most attention because the investment in bridges represents approximately thirty percent of the total investment. Road users, road owners and other interested parties - in the following referred [...]

  • Date : 2000
  • Pages : 292
  • PIARC Ref. : 11.07.BEN
  • ISBN : 2-84060-134-6
• Study on Rehabilitation Actions on Concrete Bridges

  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 [...]

  • Date : 2004
  • Pages : 144
  • PIARC Ref. : 11.15.BEN
  • ISBN : 2-84060-180-X
• Study on Risk Management for Roads

  

  PIARC C18 started its first term of activities in 2000, conducting two International Surveys, two International Seminars in Chile and Hungary, and a detailed Study on Risk Prevention and Management. This report is a compilation of essential findings and valuable information gathered through its activities [...]

  • Date : 2004
  • Pages : 84
  • PIARC Ref. : 18.01.BEN
  • ISBN : 2-84060-178-8
• Surface Dressing - Practical Guide for Technology Transfer

  This guide was drafted by the Technical Committee on Roads in Developing Regions in agreement with the PIARC Technical Committee on Flexible Roads. Surface Dressings Throughout the World : documents analysed in 12 countries (Australia, Belgium, Brazil, Colombia, France, Ivory Coast, Morocco, Niger, [...]

  • Date : 1989
  • Pages : 112
  • PIARC Ref. : 03.01.BEN
• Techniques for Motorway Widening

  The seemingly inexorable growth of traffic has led to the expansion of the motorway systems in North America and Europe. Increasingly the capacity of existing motorways is being enhanced by the construction of additional lanes. The planning of widening works should take account of the special [...]

  • Date : 2001
  • Pages : 21
  • PIARC Ref. : 12.06.BEN
  • ISBN : RR310-II-2001
• Testing Aggreates

  Particle-size Analysis by Sieving, Los Angeles Test, Sand Equivalent, Accelerated Polishing Test, Determination of the Amount of Fines Passing 0.075 mm Mesh, Gravimetric Measurement: Absolute Density, Real Density, Bulk Density (with and without compacting), Aggregate Shape Measurement: [...]

  • Date : 1987
  • Pages : 66
  • PIARC Ref. : 02.02.BEN
• Testing of Marginal Materials

  Drafted by the PIARC Technical Committee on Testing of Road Materials, this report is a direct extension of the first PIARC publication on Marginal Materials (see page 57). The first part examines the conventional tests applied to some marginal materials of the industrial by-product type and sets out [...]

  • Date : 1991
  • Pages : 48
  • PIARC Ref. : 02.05.BEN
• The First Road Tunnel - A Planner Guide for Countries Without Previous Experience of New Road Tunnels

  This Report has been commissioned specifically to assist those concerned with aspects of transport policy and planning which may involve the inclusion of road tunnels. The initiative represents in part a response to a request from the World Bank. While most readers may well belong to countries with [...]

  • Date : 1995
  • Pages : 72
  • PIARC Ref. : 05.01.BEN
  • ISBN : 2-84060-033-1
• The Framework for Performance Indicators

  

  In 1995, the OECD Road Transport Research Programmed established an Expert Group to investigate Performance Indicators for the Road Sector. From 1996 to 1999, the work group C6.6/7, taking into account the recommendations established by the OECD Road Transport Research Programmed, dealt with the theme [...]

  • Date : 2004
  • Pages : 132
  • PIARC Ref. : 06.07.BEN
  • ISBN : 2-84060-165-6
• The Role of Economic and Socio-economic Models in Road Management

  

  In a context where the Public Administrations experience a stronger and stronger demand on social policy, and where road budgets, especially road maintenance budgets, tend to be tightened or even scaled back, the economic evaluation - and optimization - of road maintenance actions and/or policy becomes [...]

  • Date : 2003
  • Pages : 64
  • PIARC Ref. : 06.06.BEN
  • ISBN : 2-84060-144-3
• The Urban Road Network Design

  Urban development is determined among others by roads and streets. A good design will act as a catalyst, but a bad design will eventually paralyze life in the town or city. To enhance the unity between urban and road design, the urban road network must be reorganized. Urban roads must serve a variety [...]

  • Date : 1991
  • Pages : 40
  • PIARC Ref. : 10.04.BEN
• The Use of Roller Compacted Concrete for Roads

  Regarding its use for pavements, roller compacted concrete (RCC), could be considered as a hybrid between cement treated granular material and vibrated concrete. Indeed, RCC pavements can carry traffic directly on the finished surface, a possibility not offered by cement treated bases. Its simple [...]

  • Date : 1993
  • Pages : 64
  • PIARC Ref. : 07.05.BEN
  • ISBN : 2-84060-004-8
• Through Traffic in Small Towns

  This report was written by two Technical Committees of PIARC, PIARC Technical Committee on Interurban Roads (C4) and PIARC Technical Committee on Roads in Urban Areas (C10). The report summarizes the experience of several countries (Belgium, Federal Republic of Germany, Denmark, the Netherlands, [...]

  • Date : 1991
  • Pages : 44
  • PIARC Ref. : 04.03.BEN
• Towards a Multimodal Approach of the Transport System

  

  Sustainable development is already used world-wide to represent the need to direct the future of the earth and human beings. The transportation sector plays a major role both for the economic development and the environmental balance of the world. A comprehensive multimodal approach to the transport [...]

  • Date : 2004
  • Pages : 150
  • PIARC Ref. : 04.08.BEN
  • ISBN : 2-84060-157-5
• Towards an Indicator of the Health Condition of Bridges

  The survey was carried out to clarify the present conditions and trends of the management of bridges currently in service by collecting knowledge and information on bridge management in various countries. The results of the survey can then be used to improve inspection and diagnosis techniques. The [...]

  • Date : 1996
  • Pages : 152
  • PIARC Ref. : 11.05.BEN
  • ISBN : 2-84060-039-0
• Towards Performance Management of Bridges (and other Structures)

  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 [...]

  • Date : 2003
  • Pages : 100
  • PIARC Ref. : 11.14.BEN
  • ISBN : 2-84060-162-1
• Traffic Congestion on Motorways and Dual-carriageway Roads

  The objective of this report is to pinpoint possible areas of convergence in the international experience, in terms of both theoretical assessment and also monitoring and identifying possible solutions for traffic congestion. The report is based on an international enquiry (Australia, Austria, Cuba, [...]

  • Date : 1991
  • Pages : 128
  • PIARC Ref. : 04.02.BEN
• Traffic Control, toll and Road Information

  Drafted by the PIARC Technical Committee on Roads in Urban Areas, this report aims at illustrating the possibilities offered by new technology, especially within the electronics industry, for a more satisfactory operation of the existing road capacity. Through better regulation, control and information [...]

  • Date : 1990
  • PIARC Ref. : 10.02.BEN