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C01CMEngineering Research Center Geoweb° Cellular Confinement System <br />1320 Campus Delivery Presto Products Geosystems® <br />Fort Collins, Co 80523 Performance Testing — Aggregate Inf ill <br />Geoweb® Cellular Confinement Systems with aggregate fill are used for applications such as <br />load support, earth retention, porous pavement, and slope and channel erosion protection. A <br />testing program was carried out at the Colorado State University Hydraulics Laboratory to <br />quantify performance of polyethylene Geoweb® in erosion protection, develop engineering <br />guidelines for product usage, and compare results to rip -rap stabilization procedures for <br />channels. <br />GW20V GW30V <br />Height (in.) <br />Approximate Cell Length (in.) <br />Approximate Cell Width (in.) <br />Percent Cell Wall Open Area ( %) <br />Nominal Area (in?) <br />GW40V <br />Geowebs Cellular Confinement System Cell Type <br />GW20V GW30V GW40V <br />12 <br />8.8 <br />10.2 <br />17.4 <br />44.8 <br />12 <br />12 <br />11.3 18.7 <br />12.16 20.0 <br />13.9 <br />71.3 <br />17.2 <br />1'`x7.0 <br />7W -04 <br />0/ OCj.z01-3 <br />