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AASHTO

AASHTO M288-17

Survivability Class

Geotextile Application

CLASS 1

CLASS 2

CLASS 3

Woven

Nonwoven

Woven

Nonwoven

Woven

Nonwoven

(<50%)

(>50%)

(<50%)

(>50%)

(<50%)

(>50%)

 

Subsurface Drainage

 

 

 

 

 

 

% Fines

 

 

 

 

 

 

< 15%

US 230

US 205NW

US 230

US 160NW

US 230

US 120NW

15% to 50%

X

US 205NW

US 670

US 160NW

US 670

US 120NW

>50%

X

US 205NW

US 670

US 160NW

US 670

US 120NW

 

Stabilization

US 315

US 205NW

US 250

US 160NW

US 200

US 120NW

 

Separation

US 315

US 205NW

US 250

US 160NW

US 200

US 120NW

 

Permanent Erosion Control

 

 

 

 

 

 

% Fines

 

 

 

 

 

 

< 15%

US 230

US 205NW

US 230

X

X

X

15% to 50%

X

US 205NW

US 670

X

X

X

>50%

X

US 205NW

US 670

X

X

X

Enhancement Class 1A

US 4800/30

Paving Fabric Type 2

US 100P

 

*Default Classes are indicated by yellow shading.