Water Flow Through Geotextiles Used to Support the Root Zone of Turfgrass on Sports Fields

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Title: Water Flow Through Geotextiles Used to Support the Root Zone of Turfgrass on Sports Fields
Author: Rose-Harvey, Keisha M.
Abstract: A sports field construction method that uses a geotextile to support the root zone atop a synthetic drainage structure is an alternative to the common design that uses gravel drainage material to support the root zone . A study was conducted to address the concern that fine particles in the root zone may migrate under the influence of percolating water , clog geotextile pores , and restrict the amount of water drained from a sports field . In test columns , six root zone mixtures with different particle size distributions were combined with ten geotextiles with different opening sizes to produce 60 replicated treatments . Water flow through the root zone mixture -geotextile combinations in the test columns was evaluated over a six -month period . Change in permeability was assessed by monitoring the temporal distribution of drainage from a 25 -mm pulse of water applied to 300 -mm deep root zone mixture in the test column . Particles in drainage water were analyzed for size distribution . The study revealed that drainage rates were affected more by drainage trough the root zone mixture than through the geotextile . The amount and particle size distribution of particles in drainage water were influenced more by root zone mixture than by geotextile . It appeared that in the establishment phase of a sports field that fine particles in the root zone may present more of a problem to clogging of the root zone pores than clogging of the geotextile pores .
URI: http : / /hdl .handle .net /1969 .1 /ETD -TAMU -2009 -08 -6970
Date: 2010-01-14

Citation

Water Flow Through Geotextiles Used to Support the Root Zone of Turfgrass on Sports Fields. Available electronically from http : / /hdl .handle .net /1969 .1 /ETD -TAMU -2009 -08 -6970 .

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