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Landscape & Design

By Sophie Rhéaume • December 9, 2017

Geogrid in SRW Construction

Techo-Bloc

Paver Pete demonstrates how to properly install geogrid in a segmental retaining wall installation. 

 

STEP 1: Level the backfill.

STEP 2: Install a geogrid.

It is recommended to follow the recommendations of an engineer.

Here are our engineer’s specifications in this situation:

  • Grid on top of the first course of blocks, 8 inches from the base
  • Grid length of 8 ½ feet, measured from the face of the block to the tale of the grid

STEP 3: Drive a spike or a sod staple in the geogrid to tension it properly.

spike-3.jpg

Cover an opening

 The convex curve of our wall created a wedge-shaped opening.

wedge-1.jpg

We solved this problem by adding another course of grid with 4 inches of aggregate.

 A geogrid should always abut and never overlap.

abutting.jpg

It should also always be installed in a straight direction.

 

NEED MORE INFO? THIS ANIMATION COVERS EVERYTHING YOU NEED TO KNOW!

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