Spec InterpretationIn Ground Test Data: BaseGrid Geogrids
Table 1: Rut Depth Vs. Number of Cycles For Different Cross Sections – CBR = 3%
| PRODUCT | U.R. | BaseGrid 22* | SS 1 | BaseGrid 33* | SS2 |
| CBR % | 3 | 3 | 3 | 3 | 3 |
| Base, mm | 400 | 400 | 400 | 400 | 400 |
| CYCLE, N | Max. Rut Depth, mm | ||||
| 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 50 | -20.06 | #N/D | #N/D | #N/D | #N/D |
| 100 | -22.66 | -2.25 | -1.64 | -1.24 | -1.87 |
| 300 | -27.20 | -3.06 | -2.55 | -1.57 | -2.04 |
| 500 | -29.83 | -3.33 | -2.93 | -2.01 | -2.40 |
| 1000 | -34.27 | -4.19 | -3.96 | -2.35 | -2.61 |
| 2000 | -38.20 | -4.78 | -3.78 | -2.76 | -3.34 |
| 4000 | -44.41 | -5.51 | -5.25 | -3.72 | -4.01 |
| 8000 | -47.62 | -6.81 | -6.59 | -6.25 | -5.42 |
Table 2: Rut Depth Vs. Number of Cycles For Different Cross Sections – CBR = 1%
|
PRODUCT |
U.R. |
BaseGrid 22* |
SS1 |
BaseGrid 33* |
SS2 |
|
CBR % |
1 |
1 |
1 |
1 |
1 |
|
Base, mm |
1000 |
500 |
500 |
500 |
500 |
|
CYCLE, N |
Max. Rut Depth, mm | ||||
|
0 |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
|
50 |
#N/D |
#N/D |
#N/D |
#N/D |
#N/D |
|
100 |
-5.13 |
-10.20 |
-9.86 |
-2.29 |
-3.93 |
|
300 |
-5.38 |
-12.79 |
-11.27 |
-2.56 |
-4.14 |
|
500 |
-5.76 |
-13.21 |
-11.37 |
-3.16 |
-4.96 |
|
1000 |
-7.24 |
-15.38 |
-15.74 |
-5.02 |
-6.33 |
|
2000 |
-8.09 |
-16.52 |
-16.83 |
-6.19 |
-8.10 |
|
4000 |
-9.67 |
-18.18 |
-19.79 |
-8.54 |
-10.46 |
|
8000 |
-12.35 |
-21.00 |
-24.87 |
-11.58 |
-15.95 |
Excerpted from TENAX Technical Reference GRID-TE-3 "Full Scale In-Ground Tests for Geosynthetic-Reinforced Flexible Paved Roads"
*US Fabrics' BaseGrid 22 & BaseGrid 33 are private label versions of the Tenax MS220 & MS330.