presented by: sean heidstra terrafix geosynthetics...
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© 2011 NAUE GmbH & Co. KG · www.naue.com
Presented by:
Sean Heidstra
Terrafix Geosynthetics Inc.
© 2011 NAUE GmbH & Co. KG · www.naue.com
CombiGrid®
Features & User Benefits
1. Secant Stiffness
2. Radial Stiffness
3. Aperture Stability
4. Product Toughness
5. Roll Size & Multi-Role Design
6. Giroud-Han – Aggregate Reduction Design
Advantages
� Traffic Benefit Ratio
� Quality Confidence
� Design Support
© 2011 NAUE GmbH & Co. KG · www.naue.com
High Secant Stiffness
• The Tensile Strength of a geogrid product
within a defined range of deformation.
• Tensile resistance of a geogrid is more
important at a 2% strain values than it is at
Tult.
CombiGrid® Features & Benefits
© 2011 NAUE GmbH & Co. KG · www.naue.com
CombiGrid® Features & Benefits
High Secant Stiffness
© 2011 NAUE GmbH & Co. KG · www.naue.com
High Radial Stiffness
CombiGrid® Features & Benefits
© 2011 NAUE GmbH & Co. KG · www.naue.com
High Radial Stiffness
CombiGrid® Features & Benefits
© 2011 NAUE GmbH & Co. KG · www.naue.com
GeogridRadial Stiffness J0-0.5%*
[kN/m]
Laid and welded geogrid (PET) - Combigrid 30/30 Q6 (PET) ≥ 828
Laid and welded geogrid (PP) - Combigrid 40/40 Q1 (PP) ≥ 802
Laid and welded geogrid (PP) - Combigrid 30/30 Q1 (PP) ≥≥≥≥ 592
Extruded multidirectional geogrid (PP) - Tensar TriAx TX 160 ≥≥≥≥ 536
Punched and drawn geogrid (PP) - Tensar SS 30 ≥ 524
Knitted multifilament geogrid (PP) - Fornit D 30/30-40T ≥ 394
Woven multifilament geogrid (PET) - Fortrac 35/35-35 ≥ 344
Test Results - Summary
* Average Value
* Source: tBU Test Reports 1.1 / 22030 /0325-0330 & 0386.0.1 - 2009
High Radial Stiffness
CombiGrid® Features & Benefits