Technical Reports Earthworks

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

  • 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 parameters that had to be taken into account, the definition of a rural roads and the terminology of the structure of a road (going from embankments, slopes to the pavement layers). The report covers: [...]

  • 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. The optimization of earthwork projects is an obvious issue related to this concern, with important benefits (no spoil disposal or supply of natural noble materials can lead to a strong pollution reduction). [...]

  • Earthworks Manual

    The technical specificity of Earthworks corresponds to the management of many parameters and constraints that have an influence on the progress of the design and construction operations. In particular, the construction of earthworks is confronted with geotechnical and climatic hazards. General considerations on the content of the Manual The proposed Earthworks Manual is a collection of rules of the art, good practices,... to enlighten and sensitize readers on Earthworks management, at the [...]

  • 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 on the Trans-African Highway Network. To this end, the following specific objectives have been set: Examine the conformity of the standards contained in the document in comparison with the [...]

  • 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 of pavement materials and the design of pavement layers, while African countries are experiencing strong growth in heavy goods vehicle traffic, requiring the widespread use of pavements on the [...]


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