Water flow theory for saturated and unsaturated pavement material

Sigurdur Erlingsson*, Mihael Brenčič, Andrew Dawson

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

5 Citations (Scopus)


This chapter describes the relation between road structures and water giving the general water balance equation for the pavement structure. Aquifers are briefly introduced. The pavement and its associated embankment are divided into the saturated zone and the unsaturated zone. Porous media are also described briefly together with their grain size distributions and fundamental properties related to water movements. A short summary of water flow theory for saturated and unsaturated soils is then presented, including relevant discussion of the soil water characteristic curve and permeability of unsaturated soils.

Original languageEnglish
Title of host publicationWater in Road Structures Movement, Drainage and Effects
Number of pages22
Publication statusPublished - 2009

Publication series

NameGeotechnical, Geological and Earthquake Engineering
ISSN (Print)1573-6059
ISSN (Electronic)1872-4671

Other keywords

  • Permeability
  • Porous media
  • Roads
  • Saturated
  • Soil water characteristic curve
  • Unsaturated
  • Water flow


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