Geosynthetics in roads and pavements

Anchoring Devices 

Eleven (11) gauge, at least 6-inch (15 cm) L x 

1-inch (2.5 cm) W staples, 18-inch (45 cm) pins 

with 1.5-inch (3.75 cm) diameter washers, 

wooden stakes, or 12-30 inch (30-75 cm) 

J-shaped pins (or bent rebar) having at least ¼-

in (8 mm) diameter, are recommended for 

anchoring the RECP to the ground.  Drive 

staples or pins so that the top of the staple or pin 

is flush with the ground surface.  Anchor each 

mat every three feet (1 m) along its center.  

Longitudinal overlaps must be sufficient to 

accommodate a row of anchors and uniform 

along the entire length of overlap and anchored 

every three feet (1 m) along the overlap length.  

Roll ends may be spliced by overlapping one 

foot (0.3 m) in the direction of water flow, with 

the upstream/upslope mat placed on top of the 

downstream/downslope mat.  This overlap 

should be anchored at one foot (0.3 m) spacing 

across the mat.  When installing multiple width 

mats heat seamed in the factory, all factory 

seams and field overlaps should be similarly 

anchored. 

 

 

 

 

 

 

 

 

 

 

Channel installation includes: fine grading and seeding; 

RECP deployment and pinning; and backfilling and 

compacting.  The resulting channel provides all the 

benefits of vegetation. 

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                                                                            Handbook of Geosynthetics                                                                            38 

 

For more information please contact the Geosynthetic Materials Association at www.gmanow.com.