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TerraFlexT is unlike any other material available in the world. It was developed specifically to be a synthetic compressible inclusion (SCI) with engineered, well defined properties.
It is significantly softer than the lowest density Geofoam available and it has a much higher elastic strain limit of 10-20%. Additionally, it's long term behavior, under sustained load, reveals it to be significantly more compressible than any other material, including all densities of ordinary EPS geofoam.
It is made into panels measuring 4' x 4' with thicknesses varying from 2 inches up to 30 inches.
TerraFlexT is manufactured by GeoTech Licensees using a process patented in 1998.
TerraFlexT will serve as an elastic, compressible layer between the earth and rigid structures. It has been tested under conditions of rapid cyclic loading as well as long term loading to determine it's behavior in every potential application. It has seen use in the following applications:
TEST Description Nominal Value
ASTM D1622 Density (Nominal) 1.0 pcf
5 Psi Creep Test Results
Information on Terraflex. The first synthetic, manufactured compressible inclusion in the world! 3 pages with illustrations, tables, graphs, and some design guidelines.
Vertical Soil Arching White Paper (125K pdf)
Technical paper discussing the mechanism of soil arching and the use of TerraFlex™ as the compressible inclusion. 10 Pages with equations, example, graphs, design guidelines -- A Must Read!
TerraFlex™ Specification (5K pdf)
This is a concise specification that captures the salient characteristics of the TerraFlex™ Synthetic Compressible Inclusion. This is a PDF document, about 12 kb in size.
To view many of these documents, you must have Adobe Acrobat Reader installed on your computer.
Last Modified: August 31, 2003