Ground anchors are typically installed into pre-drilled boreholes, although some are self-driving, and grouted into place. Boreholes are formed using rotary bored and rotary percussive rigs, down-the-hole hammers and augers, depending on ground conditions. Multi-strand anchors are post-tensioned after installation and temporary anchors may be de-tensioned and removed.
Van Elle offers a complete range of hollow bar and self drilling soil nails and strand, solid bar and double corrosion protection ground anchors, installed using tracked or wheeled Soilmec and Casagrande drilling rigs.