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Anchoring, Cabling and Crimping

Anchoring
Standard applications have several points requiring the mats be secured to other structures and to one another. These are listed below.
  1. Adjoining Mats
  2. Angled Mats
  3. Turning of Corners
  4. Anchoring to Other Structures
  5. Termination Trenches

Anchoring is always required at the crest of an installation such as a levee, channel slope, or shoreline slope. The anchoring method is normally determined by the steepness of the slope to be protected. The following rule of thumb is recommended:

  1. If the slope is less than or equal to 3H:1V, no mechanical anchors are required in the crest termination trench, but can be used if specified or if the user simply wants the additional anchoring.
  2. If the slope is greater than or equal to 2H:1V, mechanical anchors are required in the termination trench at the crest.
  3. All of the leading edges must be terminated in a trench. The same rule of thumb applies to these areas as in items 1 and 2.
  4. Two types of mechanical anchors are available; duckbill anchors and helical anchors.

When installing a duckbill anchor there is only one way to properly install these.


Flex Anchor

Anchoring ACBs


Manta Ray Anchor

Anchoring ACBs


Cabling and Crimping
Once all of the mats are laid the loose ends of the side cables must be crimped together to make one system of all the mats. This is accomplished with the crimps and crimpers furnished with the first shipment of mats.

Anchoring ACBs


Spreader Bar | Subgrade Preparation | Geotextile Installation | Loading and Unloading Cabled Mattresses
Placement of Pipeline Mats | Anchoring, Cabling, and Crimping | Grouting | Bibliography

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