All PIARC Publications

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  • Innovative Pavement Maintenance and Repair Strategies

    This report contains the collection of case studies related to innovative pavement maintenance and repair strategies of road pavements. This report addresses different pavement types i.e. flexible and (semi-)rigid pavements - as well as different road types. It considers both functional and structural [...]

    • Date : 2022
    • Pages : 87
    • PIARC Ref. : 2022R28EN
    • ISBN : 978-2-84060-721-2
  • Measures for Improving Resilience of Pavements - A PIARC Collection of Case Studies

    This report contains a collection of case studies related to measures to improve the resilience of pavements. Most of the measures address the impacts of climate change, such as increased precipitation and extreme temperatures. However, the case studies also explore how to make pavement more resilient [...]

    • Date : 2022
    • Pages : 111
    • PIARC Ref. : 2022R25EN
    • ISBN : 978-2-84060-713-7
  • Resilience of Earth Structures

    This case study compilation tries to give a deeper insight on the topic “Increasing Resilience of Earth Structures to Natural Hazards” assigned to WG1 of PIARC TC 4.3 as part of the 2020-2023 Work Programme. For the production of this report, relevant case studies related to resilience in earth [...]

    • Date : 2022
    • Pages : 110
    • PIARC Ref. : 2022R21EN
    • ISBN : 978-2-84060-707-6
  • Techniques and Innovations in Earthworks

    This report presents the summary of thirty-six cases studies compiled by Working Group 2 of Technical Committee 4.3 under the theme “Techniques and Innovations in Earthworks“. This document will be further developed as part of the 2020-2023 Work Cycle and is expected to be accompanied by one additional [...]

    • Date : 2022
    • Pages : 92
    • PIARC Ref. : 2022R11EN
    • ISBN : 978-2-84060-686-4
  • Use Of Recycled Materials In Pavements - Briefing note

    Back in 2003, PIARC published a report from Technical Committee C7/8 on “Pavement Recycling”. This report contains guidelines for in-place recycling with cement, emulsion or foamed bitumen and hot mix recycling in a plant. The current briefing note is the final part of a set of three reports on [...]

    • Date : 2022
    • Pages : 17
    • PIARC Ref. : 2022R10EN
    • ISBN : 978-2-84060-685-7
  • Use of Recycled Materials in Pavements - Case studies

    This report contains the collection of case studies related to in-place recycling with cement, emulsion or foamed bitumen, hot mix and cement concrete recycling in a plant. The current collection of case studies is part of a set of three publications on the “Use of Recycled Materials in Pavements” [...]

    • Date : 2022
    • Pages : 142
    • PIARC Ref. : 2022R03EN
    • ISBN : 978-2-84060-678-9
  • Reducing The Life Cycle Carbon Footprint Of Pavements

    In 2019 PIARC published the report “Reducing the life cycle Carbon Footprint of pavements” (2019R33), which was a result from the work conducted by the Technical Committee D.2 – Pavements, during the 2012-2015 cycle. This report assessed and synthesized recent innovations leading to the reduction [...]

    • Date : 2022
    • Pages : 12
    • PIARC Ref. : 2022R02EN
    • ISBN : 978-2-84060-661-1
  • Earthworks Manual - Genesis and Preamble

    The Earthworks Manual project was launched in 2012 by the Executive Committee of the PIARC Strategic Plan, which entrusted its preparation to Technical Committee 4.4 "Earthworks and unpaved roads". The Earthworks Manual is an important technical document for the profession and stakeholders in the [...]

    • Date : 2021
    • PIARC Ref. : 2021R00EN
    • ISBN : 978-2-84060-634-5
  • Earthworks Manual – General considerations

    The Earthworks Manual is a collection of state of the art and good practice to inform readers about earthworks management. Part 1 is a summary of the different phases and associated topics to be considered in the Earthworks process for the construction of earth-structures. The definitions presented [...]

    • Date : 2021
    • Pages : 44
    • PIARC Ref. : 2021R01EN
    • ISBN : 978-2-84060-637-6
  • Earthworks Manual - Specific technical developments

    The general considerations in Part 1 show in summary the earthworks process and the different phases of construction of earth-structures. The Part 2 develops the specific, transverse technical topics that are most relevant to our field. These topics are dealt with in depth in order to promote the [...]

    • Date : 2021
    • PIARC Ref. : 2021R02EN
    • ISBN : 978-2-84060-641-3
  • Earthworks Manual - Specific technical developments - 2A - Materials

    2A - Materials The optimal utilisation of materials, locally available on the site, of a road project is today a priority, both from an economic objective and an environmental objective contributing to sustainable development. Consequently, the identification and knowledge of the resources that [...]

    • Date : 2021
    • Pages : 5
    • PIARC Ref. : 2021R02AEN
    • ISBN : 978-2-84060-642-0
  • Earthworks Manual - Specific technical developments - 2B - Treatment of materials

    2B - Treatment of materials The Booklet 2B downloadable on this page deals with the treatment of materials. This technique is increasingly carried out to optimize the use of materials under economically advantageous conditions. For Earthworks, the process involves the treatment of natural soils [...]

    • Date : 2021
    • Pages : 159
    • PIARC Ref. : 2021R02BEN
    • ISBN : 978-2-84060-643-7
  • Use of Recycled Materials in Pavements - Literature review

    Back in 2003, PIARC published a report from Technical Committee C7/8 on “Pavement Recycling”. This report contains guidelines for in-place recycling with cement, emulsion or foamed bitumen and hot mix recycling in a plant. The current literature review is part of a set of three publications on [...]

    • Date : 2021
    • Pages : 105
    • PIARC Ref. : 2021LR02EN
    • ISBN : 978-2-84060-646-8
  • Preserve Earthworks and Rural Roads from the Impact of Climate Changes

    This report puts together good practices on the various regional approaches to the impacts of climate change on roads and little hydraulic works. The subject has already been addressed during previous PIARC cycles but more on the general geotechnical aspect. It includes the definition of the climatic [...]

    • Date : 2020
    • Pages : 134
    • PIARC Ref. : 2020R02EN
    • ISBN : 978-2-84060-626-0
  • Review of Practices Using Marginal and Secondary Materials in Rural and Industrial Areas

    The use of existing materials in road embankments is an essential issue within the Sustainable Development policies, which have been promoted worldwide for many years. In the World Road Association (PIARC) this subject has been investigated by different Technical Committees over the last 20 years. [...]

    • Date : 2019
    • Pages : 90
    • PIARC Ref. : 2019R43EN
    • ISBN : 978-2-84060-595-9
  • Methodological Document for the Establishment of a National Catalogue and Pavement Design Guide

    Following the critical review carried out by a joint PIARC/AGEPAR working group, of the 1984 edition of the Practical Guide to Pavement Design for Tropical Countries, produced by CEBTP, PIARC and AGEPAR approved the extension of this work by producing a methodological document for road administrations [...]

    • Date : 2019
    • PIARC Ref. : 2019R40EN
  • Green Paving Solutions and Sustainable Pavement Materials

    This report summarizes the current state-of-the practice for sustainable pavement techniques and the incentives used to encourage their use. Green paving solutions were identified in addition to identification of barriers to their wider implementation. Information contained in this report is based on [...]

    • Date : 2019
    • Pages : 58
    • PIARC Ref. : 2019R32EN
    • ISBN : 978-2-84060-567-6
  • Reducing the Life Cycle Carbon Footprint of Pavements

    This report reviews innovations reported to reduce the carbon footprint of pavements and contains a critical review of the assessment of carbon footprint of pavements. There are numerous other environmental indicators for road pavements, but these were outside the scope of this report which focuses [...]

    • Date : 2019
    • Pages : 64
    • PIARC Ref. : 2019R33EN
    • ISBN : 978-2-84060-568-3
  • State of the Art in Monitoring Road Condition and Road / Vehicle Interaction

    This report is a follow-up on the report "State of the art in monitoring road condition" which was finalised in 2015 (PIARC reference 2016R17EN). The 2015 report summarises the then current state of the art regarding the collection of road condition and road/vehicle interaction data, providing an overview [...]

    • Date : 2019
    • Pages : 73
    • PIARC Ref. : 2019R14EN
    • ISBN : 978-84060-530-0
  • Contribution to the improvement of the general guidelines for the development, construction / reconstruction, rehabilitation and maintenance of the Trans-African Highway network - (Annex II) (only in French)

    This report is a review, for the purpose of improvement, of Annex II entitled "General Guidelines for the Planning, Construction/Reconstruction, Rehabilitation and Maintenance of the Transfrician Highway Network" of the African Union Intergovernmental Agreement for the Harmonization of Norms and Standards [...]

    • Date : 2019
    • PIARC Ref. : 2019R06EN
  • Review of the Practical Guide to Pavement Design for Tropical Countries (in French only)

    The Practical Guide to Pavement Design for Tropical Countries, published in 1984 by CEBTP, is still a document to which reference is often made in French-speaking African countries. Over the past thirty-five years, major developments have taken place in the pavement sector, particularly in the formulation [...]

    • Date : 2019
    • PIARC Ref. : 2019R01EN
  • Expected service life of wearing courses

    As part of its 2012 to 2015 strategic plan the World Road Association (PIARC) determined the need to identify and review approaches taken in assessing the service life of wearing courses. This report reviews the different approaches taken by road authorities to determine the service life of wearing [...]

    • Date : 2016
    • Pages : 20
    • PIARC Ref. : 2016R18EN
    • ISBN : 978-2-84060-403-7
  • State of the art in monitoring road condition and road/vehicle interaction

    This report summarises the current state of the art regarding the collection of road condition and road/vehicle interaction data, providing an overview of current practice and emerging technologies. Technologies in the development and experimental stages are generally not discussed. The document is [...]

    • Date : 2016
    • Pages : 77
    • PIARC Ref. : 2016R17EN
    • ISBN : 978-2-84060-402-0
  • Monitoring of innovation in road pavements

    This report examines road administrations and agencies policies for fostering, assessing and implementing innovation in road design and construction. From an international survey, eight types of innovation policies were identified: adaptation of existing specifications; agency led innovation, special [...]

    • Date : 2013
    • Pages : 81
    • PIARC Ref. : 2013R09EN
    • ISBN : 978-2-84060-325-2
  • Maintenance methods and strategies

    This report presents the results of the answers from 16 countries to a survey regarding improved maintenance methods for flexible and semi-rigid pavements and the maintenance strategies. Regarding improved maintenance methods, the variations in the answers were found to be large. It also became clear [...]

    • Date : 2013
    • Pages : 61
    • PIARC Ref. : 2013R08EN
    • ISBN : 978-2-84060-323-8

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