BaseGrid 15 is an integrally formed, polypropylene, bi-axial geogrid with a load transfer mechanism of positive mechanical interlock. BaseGrid 15 is designed for base reinforcement and subgrade improvement. BaseGrid 15 meets the following M.A.R.V. values except where noted:
| PROPERTY |
TEST METHOD |
ENGLISH |
METRIC |
| Aperture Dimensions (Nominal) |
Measured |
1.0 x 1.2 inches |
25 x 30.5 mm |
| Minimum Rib Thickness (Nominal) |
Measured |
0.07 x 0.07 inches |
1.78 x 1.78m |
| Tensile Strength @ 2% Strain |
ASTM D-6637-01 |
580 x 690 lb/ft |
8.5 x 10.0 kN/m |
| Tensile Strength @ 5% Strain |
ASTM D-6637-01 |
1,200 x 1,370 lb/ft |
17.5 x 20.0 kN/m |
| Ultimate Tensile Strength |
ASTM D-6637-01 |
1,850 x 2,050 lb/ft |
27.0 x 30.0 kN/m |
| Junction Efficiency |
GRI-GG2-05 |
93% |
93% |
| Flexural Stiffness |
ASTM D-5732-01 |
2,000,000 mg-cm |
2,000,000 mg-cm |
| Aperture Stability |
US Army Corps Method (Torsional Rigidity) |
0.75 m-N/deg |
0.75 m-N/deg |
| Resistance to Installation Damage (SC-SW-GP) |
ASTM D-5818-06/ASTM D-6637-01 |
95%SC/93%SW/90%GP |
95%SC/93%SW/90%GP |
| Resistance to Long Term Degradation |
EPA 9090 |
100% |
100% |
| Resistance to UV Degradation @ 500 Hours |
ASTM D-4355-05 |
100% |
100% |
| ROLL SIZE |
AREA |
WEIGHT |
| 13.1' x 164' |
239 sys |
183 lbs |
Spec Interpretation