Allan Block Muros de Contención
Allan Block USA
Corners with Geogrid
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Installing Geogrid on Inside 90° Corners
On inside corners additional geogrid is required to extend past the end of the wall, 25% of the completed wall height (H/4).
Cut geogrid to required lengths per the approved plan. As a general rule the length of the geogrid needs to extend a minimum of 25% of the wall height past the end of the inside corner.
Install the layer of geogrid with the geogrid extending past the inside corner.
Alternate the next layer of geogrid to extend the past the inside corner in the opposite direction.
Finished wall height is 12 ft. (3.7 m), divide by 4 which equals 3 ft. (0.9 m).The length the grid will need to extend past the corner is 3 ft. (0.9 m).
Installing Geogrid on Outside 90° Corners
Each leg of the wall must be reinforced independent of adjacent wall sections. This will require placement of grid to go up or down a course at the corner.
Cut geogrid to required lengths per the approved plans.
Install geogrid to the outside corner with the roll direction running back into the excavated site.
On the next course of block, lay the next layer of grid perpendicular to the previous layer.
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