AASHTO Geotextile Evaluation Program

National Transportation Geotextile Evaluation Program

aashtoAASHTO is the American Association of State Highway and Transportation Officials. It's mission is to "advocate transportation-related policies and provide technical services to support states in their efforts to efficiently and safely move people and goods." AASHTO includes the selection and implementation of Woven and Nonwoven geotextiles for Road Construction.


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AASHTO Geotextile Evaluation

Style Structure NTPEP No. Grab Strength
MD lbs/%
Grab Strength
XD
Trapezoid Tear Strength
MD lbs
GT131 NP - NW 03-9-10 97/66 121/81 47
GT135 NP - NW 03-9-11 111/65 123/83 47
GT140 NP - NW 03-9-12 132/62 123/81 60
GT142 NP - NW 03-9-13 142/65 167/78 60
GT160 NP - NW 03-9-14 174/75 205/89 84
GT170 NP - NW 03-9-15 221/73 215/85 79
GT110 NP - NW 03-9-16 290/85 337/84 126
GT112 NP - NW 03-9-17 335/75 435/81 136
GT116 NP - NW 03-9-18 409/92 575/88 185
GC130 NP - NW 03-9-19 123/60 148/69 41
GC140 NP - NW 03-9-20 145/65 139/77 53
GT180 NP - NW 03-9-21 229/83 272/81 91
W200 SF - W 03-9-22 209/18 208/16 94
W300 MF - W 03-9-23 399/35 376/17 151
M706 MF - W 03-9-28 394/23 256/27 145

Style Trapezoid Tear Strength
XD lbs
Permittivity
1/sec
A.O.S.
mm
Mass/Unit Area
oz/sq yd
Puncture Strength
lbs
GT131 56 2.09 0.20 3.9 62
GT135 54 2.74 0.22 3.5 64
GT140 68 2.65 0.20 4.2 73
GT142 78 2.53 0.21 4.8 87
GT160 119 2.32 0.21 7.1 128
GT170 111 1.89 0.18 6.3 117
GT110 163 1.66 0.14 9.9 183
GT112 179 0.86 0.13 11.5 195
GT116 284 0.90 0.11 16.8 292
GC130 62 2.28 0.18 4.1 72
GC140 69 1.81 0.15 4.3 70
GT180 121 2.03 0.16 8.6 137
W200 100 0.29 0.40 4.2 102
W300 111 0.09 0.17 8.2 215
M706 135 0.38 0.15 6.2 148

Legend: SF-Slit Film • MF-Mono Filament • C-Combination • HB-Heat Bonded • NP-Needle Punched • W-Woven • NW-Non Woven

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Woven Geotextiles

W100W200W250W300W315M404M706

Nonwoven Geotextiles

GT131GT135GT140GT142GT160GT170GT180GT110GT112GT116GC130GC140GE110GE116GE140GE160GE170GE180

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