SF 13
SYNTEEN BASE COURSE REINFORCEMENT
SUBGRADE IMPROVEMENT BIAXIAL GEOGRID
SF 13 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.
SF13 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 13 geogrid will reduce applied vertical pressure of heavy loads at depth of aggregate by spreading the load over a wider area.
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REINFORCEMENT PROPERTIES |
TEST METHOD |
MARV VALUES lbs/ft kN/m |
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Ultimate Strength |
MD XMD |
ASTM-6637 |
2388 5268 |
34.9 76.8 |
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Initial Modulus |
MD XMD |
ASTM-6637 |
178,000 235,000 |
2598 3432 |
|
Load at 2% Strain |
MD XMD |
ASTM-6637 |
526 797 |
7.7 11.6 |
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Load at 5% Strain |
MD XMD |
ASTM-6637 |
1042 1278 |
15.2 17.0 |
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True in place strength after site damage testing based on TRI method of “installation” damage testing with coarse gravel (GP) and sandy gravel (SW).
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Load at 2% Strain |
MD (GP) MD (SW) |
ASTM 6637 + ASTM 5818
|
438 496 |
6.3 7.2 |
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Load at 2% Strain |
XMD (GP) XMD (SW) |
ASTM 6637 + ASTM-5818 |
664 752 |
9.7 11.0 |
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Load at 5% Strain |
MD (GP) MD (SW) |
ASTM 6637 + ASTM-5818 |
868 983 |
12.6 14.3 |
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Load at 5 % Strain |
XMD (GP) XMD (SW) |
ASTM 6637 + ASTM-5818 |
940 1065 |
13.7 15.5 |
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Coefficient of Pullout Interaction |
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ASTM 6706 Sandy Gravel Sand |
Ci= 1.0 Ci= 1.0 |
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Aperture Size*
Minimum Rib Thickness |
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Measured
Measured |
MD 1.0 in.XD 1.0 in. MD 0.05in. XD 0.05in. |
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* Synteen has the capability to make apertures to specific sizes
GP= Poorly Graded Gravel
SW= Well Groomed Gravel
Standard roll size: 12’ x 150’. STF can produce Master Roll lengths as well. Synteen Technical Fabrics
1950 West Meeting Street
Lancaster, SC 29720
1-800-796-8336
