AASHTO Specs - Table 3

Table 3 compares the general strength properties of M288-92 and M288-96 for the subsurface drainage, separation, stabilization, and permanent erosion-control applications.  The values are shown in SI units; M288-96 made the conversion to SI units while respecting the approximate nature of these numbers.

Property                   ASTM                     Units              M288-92 Geotextile                          M288-96 Geotextile
                             Test Method                                         Survivability                                  Survivability Class
                                                                                          Class A         Class B        Class 1           Class 2             Class 3
                                                                                                             <50%(1)>50%(1)   <50%(1)>50%(1)   50%(1)>50%(1)
Grab             D4632                    N                 800-1200            356-800      1400      900          1100      700          800        600
strength          (lb)                (180-270)            (80-180)      (315)    (205)          (250)     (160)       (180)      (115)

Seam            D4632                     N                 710-1070            310-710       1260      810            990     630          720        450
strength                                      (lb)               (160-240)            (70-160)      (280)     (185)          (220)    (140)         (165)     (100)

Tear              D4533                    N                 220-445             110-310       500       350            400      250          300        180
strength                                     (lb)                (50-100)             (25-70)       (115)      (80)            (90)     (55)          (70)        (40)

Puncture        D4833                    N                  350-445             110-310      500       350            400       250         300         180
strength                                    (psi)               (450-500)            (200-220)    (115)     (80)            (90)       (55)         (70)        (40)

Burst           D3786                      kPa             2000-2200             895-965     3500    1700           2700      1300       2100        950
strength                                      (psi)             (450-500)            (200-220)     (510)    (255)          (400)       (20)        (305)       (140)