Technical Reports Earthworks

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

  • Anticipating the impact of climate change on road earthworks

    Climate change and its consequences are one of the main preoccupations of the beginning of the 21 st century. The first part of the report presents, as an example, regional scenarios of the climate evolution for Quebec and Switzerland. The second part focuses on water: lack or excess of water and its state. It deals with the cases of embankments, natural slopes, rise of sea level, modifications of the permafrost, and the increase of the wind force. Various examples are presented in the third part. [...]

  • Indicators representative of the condition of geotechnical structures for road asset management

    The management of geotechnical assets of road infrastructure is a subject that is rarely investigated. The variability and the difficulty to predict long-term performances pose a challenge for planning maintenance. The report provides an overview of the state of practice. After a description of the architecture of management systems, it provides relevant performance indicators to evaluate the condition of geotechnical assets. Examples of implementation, the results of an international survey, [...]

  • Promoting optimal use of local materials

    This document aims to: • identify the progress made over the last decade with respect to soil and/or rock treatments in the area of road earthworks, and more specifically since the publication of PIARC's 1997 report: "Equipment and Methods Specific to Soil Treatment Work"; • look at developments in the use of local materials in building embankments, subgrade or other structures in certain countries and add to the information already provided in PIARC's reports: "Marginal Materials—State [...]

  • International Symposium on Subdrainage in Roadway Pavements and Subgrades

    Out of print As is common knowledge in the transportation community, proper functioning of roadways is largely dependent on adequate drainage, both at the surface and in the subsurface. The accumulation of excessive water under pavements typically results in a reduced bearing capacity, leading to distress and premature failure of pavements. Drainage-related problems usually manifest themselves as pavement rutting, cracking, and increased road roughness. The World Road Association (PIARC) [...]

  • In Situ Assessment of Subgrade Materials

    It is important to be able to forecast the performance of the subgrade, especially its acceptable limits of deformation derived for both the construction stage and during the working life of the pavement. Ten types of in situ test apparatus are described briefly and comparisons made between them, setting out their usefulness, field of application and limitations. Three studies comparing in situ tests are identified and described. The tests using large platens gave reasonably consistent results and [...]


This site uses cookies to optimize its operations. By clicking on the "Continue" button, you agree to browse our website without changing your cookies settings, you accept their use.