
227Textiles in Civil Engineering
© 2008 Taylor & Francis Group, LLC
capacity of the geotextiles to a minimum. These materials can also be used
in asphalt pavement overlays, encapsulation of swelling soils, and waste con-
tainment to perform the same function.
9.2.2.5 Erosion Control
Erosion is the process by which soil and rock are removed from the earth’s
surface by exogenetic processes such as wind or water ow, and then
transported and deposited in other locations. Erosion collapses the soil
structure mainly due to the insufcient protective cover on steep slopes
or in drainage channels that have been designed to rely on vegetation for
long