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Hollow Anchor Installation at Feock in Cornwall

Rock Anchoring and Soil Nailing

Slope Stabilisation

Carnon Contracting provide a range of Rock Anchors and Soil Nails for the construction industry, both private and commercial sectors. Rock anchors are generally post tensioned tendons installed and secured into the underlying rock. The anchor force is transmitted to the rock by either cement grout, resin or mechanical means. They can be installed in drill holes with any inclination.

Essentially, rock anchors are used for :-

  • Anchorage for retaining walls.
  • Stabilisation of eccentrically loaded foundations
  • Stabilisation of slopes and rock walls or cuts.
  • Systematic rock stabilisation and local supports for underground excavations.
  • Stabilisation for uplift, as for example, structures in ground water.

Rock bolting a deep excavation in Newquay, Cornwall

Rock bolting the face of a deep excavation in Truro, Cornwall

Soil Nails are installed in soil or loose rock, which transfer forces into the ground by means of a steel tendon or bar. Depending on the type of tendon, the anchorage at the stressing end uses a nut and a plate, or wedges and a wedge plate.

Essentially, soil anchors are used for :-

  • Anchoring of support structures for excavations, such as sheet piling or trench boxes.
  • Slope stabilisation.
  • Transfer of external tensile forces to the ground such as guy wires for towers.
  • Stabilisation of very eccentrically loaded foundations.

Rock Bolting in Looe

Previous projects have included :-

Newham, Truro

Longdowns, BBC Mast, Guy Wire Anchors

Newquay, Rock Bolting

Rock Bolting, Shotcreting and Meshing at Meadowbank Road in Falmouth

Rock Bolting and Meshing at Feock in Cornwall

Download the following for more information.Rock Bolting and Soil Nailing:- Ground Anchors

Recent Projects

Carnon Contracting have recently completed a scheme to stabilise the face of an excavation for a new Ecohouse in Polzeath in Cornwall. The rocks comprised the installation of Soil Nails and Rock Anchors and the construction of a reinforced sprayed[...]
Carnon Contracting have completed drilling boreholes for Ground Source Heat Pumps in Mullion in Cornwall. A total of 12 no. 100m boreholes were drilled for Aquasource and ROK. The loops and Grout were supplied by[...]
Carnon Contracting have completed a Ground Anchor/ Soil Nailing contract in Cornwall. It comprised the installation of Stainless UK Grip bar anchors/Soild Nails and piles to remediate a failed retaining wall in Falmouth. The site had access issues and the drilling[...]
Carnon Contracting and Crofty Consultancy have jointly completed an Environmental drilling project at Newquay Airport in Cornwall UK. The works included the installation of sampling holes for the monitoring of groundwater. The[...]
Carnon Contracting have drilled and installed seven Ground Source Heat Pump Boreholes at a site in Somerset.The works included the installation of the ground loops and the grouting of the system with Thermally[...]
Carnon Contracting have completed a project to stabilise a slope at Penlee Quarry near Newlyn in Cornwall. The works entailed the installation of 9 grouted Ischebeck Titan Soil Nails and the stabilisation of the slope using sprayed concrete, Shotcrete. The client[...]
Carnon Contracting have recently completed several small mini piling contracts for private customers and small developers throughout Devon and Cornwall. Mini Piling quite often provides a cost effective alternative to deep concrete foundations and avoids the requirement to take large[...]
Carnon Contracting have carried out a Site Investigation adjacent to the slip road of the A30 at Tolvaddon for Card Geotechnics. The works included rotary drilling and the gathering of data from Standard Penetration Testing.[...]
Carnon Contracting have completed a contract to carry out underground safety works at Tywarnhale Mine near Porthtowan for its owners, Imperial College of Science and Technology. The works comprised the blocking of of an old stope access to maintain access through[...]
Carnon Contracting have completed a site investigation drilling contract for Aquasource at a site on the North Coast of Cornwall . The contract involved the drilling and casing of holes into the side of an abandoned[...]
Carnon Contracting have completed a significant contract to install 48 Double Corrosion Protected rock Anchors at a development site near Lynton in Devon. The client was Hoveman Developments and the materials will be supplied by DYWIDAG. The rock anchoring phase of[...]
Rock Bolting and Underpinning Carnon Contracting were contracted to carry out emergency works when a slope failed at the base of a garden in Mylor, Cornwall. After stabilising the angle of the slope a comprehensive scheme of works was designed by[...]
Retaining Wall Repair Carnon Contracting have recently completed a Rock Bolting contract as part of a project to rebuild a failing retaining wall at Chywoone Hill, Newlyn in Cornwall. The access to the site was extremely awkward with all equipment being[...]
Carnon Contracting have recently undertaken the installation of Rock Anchors and Mesh at a site at Hannafore Road in Looe, Cornwall. The main contractors were Collards Constructions and the works comprised the installation of circa 30 rock anchors, plates and[...]
Carnon have completed a contract to install 53 Rock Socketed mini piles for a project in Carbis Bay in Cornwall. The project was carried out for a private client who is constructing a modern thermally efficient timber frame structure supplied[...]
Carnon Contracting have completed a significant contract in Feock in Cornwall comprising the installation of Self Drilling Anchors and mesh to stabilise a cliff face that had partially collapsed. The works included the drilling of 80 Self drilling anchors, mesh[...]
Mine Shaft Refurbishment Carnon Contracting have completed the installation of a new ladderway and ventilation system to Roskear Shaft, Camborne, Cornwall for the Environment Agency. This enables personnel to access the adit drainage level safely without the use of specialised cranes. This project also included the installation of[...]
Carnon Contracting were approached in 2005 to devise a method of obtaining Core Samples from the base of the Quay at Braye Harbour on Alderney in the Channel Islands. Carnon Contracting drew up a drilling approach involving[...]