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Soil Nails

A&J Geotechnical, part of Aarsleff Ground Engineering, was awarded the ground engineering work for Barnsbury Terrace, Swansea. A&J Geotechnical were contacted when the originally installed gabion structure supporting the existing 10mtr height slope behind a row of new build dwellings began to bulge and the slope showed signs of distress.

We adopted a ground anchor and soil nail solution. Ground anchors were installed through the gabions and into a mixture of old retaining walls, fill materials and cobbles. Where the gabions had bulged, a top-down construction was adopted whereby soil nails and a mesh covering were installed. Further excavations were then carried out to remove the loose fill materials, and the gabions were then rebuilt in front of the supported slope.

Access to the site was very difficult, so we used our Micro Drill Rig for the works and this machine is both very small and light, yet has plenty of power for drilling through the very varied strata.

Location:

Barnsbury Terrace, Swansea

Piling Contractor:

Aarsleff Ground Engineering

Scope of Works:

Soil Nail, Ground Anchors to existing (Installed by others) failed gabion wall

Equipment:

Micro Rig, Hand Held Rock Drill

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