SF 62

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SF 62
PAVEMENT STRUCTURES
SYNTEEN BASE COURSE REINFORCEMENT
SUBGRADE IMPROVEMENT BIAXIAL GEOGRID

SF 62 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.

SF 61 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 62 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
True 1% Junction Tensile Modulus in Use	MD XMD	GGI-GG2-87	22,168 27,500	325 401
True 2% Junction Tensile Modulus in Use	MD XMD	GGI-GG2-87	18,200 25,300	270 370
True Junction Strength in Use @ 2% Strain	MD XMD	GGI-GG2-87	210 276	3.1 4.0
True Junction Tensile in Use @ 2% Strain	MD XMD	GGI-GG2-87	354 497	5.2 7.2
Coefficient of Interaction			1.0

*STF has the capability to make aperture to specific sizes.
Standard roll size is 12’ x 150’

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