An active anchors is post-tensioned from the external face of the ground immediately after installation, and is usually designed to help prevent deformation of the ground or retained structure. It has a free length and a bonded length.

A typical application for active anchors is anchoring of retaining walls during excavation works. To prevent the wall from the smallest displacement, the anchor is pre-loaded.

ASTEC Active Anchor is made of composite material, which is by nature cuttable. The tendons can be excavated by any standard equipment, therefore anchor removal is never required.