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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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Technical Reports Earthworks

This page lists technical reports of PIARC in the field of road earthworks. These publications are classified chronologically.

  • 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 the “Use of Recycled Materials in Pavements”. This briefing note contains the conclusions and recommendations on recycling pavement materials deriving from the previous “Literature Review” and [...]

  • Earthworks Manual - Specific technical developments – 2E – Environmental aspects

    Any development project has an impact on the three pillars of sustainable development: environment, economy, and society. Earthworks is a key stage in dealing with and optimising this impact in road infrastructures. At the design and preliminary project level , it is necessary to choose the route that will avoid the impact on the environment and to develop the project that will allow the best possible integration into the landscape. The preservation of biodiversity, the protection of natural [...]

  • Earthworks Manual - Genesis and Preamble

    PREFACES by Guy RAOUL, Coordinator of the Earthworks Manual. 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 field of activity. It is eagerly awaited by the experts from many countries who have contributed to its content. The Manual is organised [...]

  • 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 are an essential preliminary to provide a common basis for all member countries. The concepts dealt with here, are representative of the whole Earthworks activity, from design of the road infrastructure, [...]

  • 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 sharing of knowledge of specific earthworks techniques and methods. They are based in particular on feedbacks and technical references resulting from previous PIARC work and also from more recent work, [...]