© 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