SYNTEEN BASE COURSE REINFORCEMENT

SUBGRADE IMPROVEMENT BIAXIAL GEOGRID

SF 15X is composed of high molecular weight, high tenacity multifilament polyester yarns that are woven into a stable network placed under tension. The high strength polyester yarns are coated with a polymer coating. SF Geogrids are inert to biological degradation and are resistant to naturally encountered chemicals, alkalis and acids.

SF15X INCREASES THE SERVICE LIFE OF PAVEMENT STRUCTURES BY IMPROVING:

CONFINEMENT OF BASE COURSE

  1. Prevents lateral spreading of the base or sub-base aggregate
  2. Allows for shear interaction to develop between the aggregate and the geogrid

INCREASE TENSILE STRENGTH OF AGGREGATE

  1. SF 15X geogrid will reduce applied vertical pressure of heavy loads at depth of aggregate by spreading the load over a wider area.

REINFORCEMENT PROPERTIES

TEST METHOD

MARV VALUES

lbs/ft kN/m

Ultimate Strength

MD

XMD

ASTM-6637

2388

5268

34.9

76.8

Initial Modulus

MD

XMD

ASTM-6637

178,000

235,000

2598

3432

Load at 2% Strain

MD

XMD

ASTM-6637

590

797

8.6

11.6

Load at 5% Strain

MD

XMD

ASTM-6637

1200

1375

17.5

20.0

Coefficient of Pullout Interaction

ASTM 6706

Sandy Gravel

Sand

Ci= 1.0

Ci= 1.0

Aperture Size*

Minimum Rib Thickness

Measured

Measured

MD 1.0in.

XD 1.0in.

MD 0.07in.

XD 0.07in.

* Synteen has the capability to make apertures to specific sizes

Standard roll size: 12’ x 150’. STF can produce Master Roll lengths as well.