TECHNICAL DATASHEET
Spread Anchor
Lifting With Spread Anchor SystemThe anchorage in the concrete is produced by the foot of the spread anchor creating a wrenching cone.
The anchorage resistance depends on:
– The concrete strength (fck)
– The length of the spread anchor (L)
– Distances to the edge of the concrete (TN)
– Distances between each anchor (TN)
The larger the wrenching cone, the more resistant the anchorage. It is at its maximum when the distance between the 2 anchors is greater than 3.5 times the anchoring length (L) and the distance to the edge of the concrete greater than 1.75 times L.
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