Geosynthetics in new transportation applications

Timothy D. Stark, David Paiko

Research output: Contribution to specialist publicationArticle


Geosynthetics are useful and versatile materials that have found a range of applications in transportation projects (Berg and Suits, 2000). Geosynthetic materials can decrease project costs and project time; increase design life, stability, and range of acceptable borrow material; and improve performance-important given the large backlog of infrastructure projects and limited funding. An LTP consists of one or more layers of geosynthetic reinforcement between layers of compacted sand or gravel and can be used as an alternative to a pile cap. The LTP is thicker than a continuous pile cap, so it dissipates more load than a pile cap and reduces the amount of piles needed to support the applied load. Moisture barriers have been used to mitigate pavement problems caused by water infiltrating moisture-sensitive soils such as expansive clays. The typical application is a moisture barrier consisting of a geonet and geomembrane between the roadbase and subgrade to prevent subgrade wetting.

Original languageEnglish (US)
Number of pages6
Specialist publicationGeosynthetics
StatePublished - 2014

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Polymers and Plastics


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