Pile Jacketing

The robust, proven solution where concrete meets the sea.

 

We have more than 30 years’ experience with fabric bag pile jacketing and using fabric bags as a formwork in projects in New Zealand and throughout the Pacific Islands.

 

Manufactured by one of the world’s leaders in corrosion prevention and sealing technology, Denso SeaShield Marine Systems are a great complement to the products and techniques we already offer our clients. They’re particularly suited to repairing and strengthening bridge and wharf piles, whether they’re constructed of steel, concrete or timber.

 

For pile jackets a fabric formwork is used to cast a dense, high-strength concrete skin, of the right thickness and reinforcement, around the deteriorated section of each pile. The result is a robust, high-performing ‘jacket’ that will perform in the most challenging conditions.

 

Fabric forms filled with concrete are widely used to protect embankments from erosion by water.

 

Installed both above and below the water line, they can be adapted to a range of clever uses – we’ve used them as inflatable socks to seal underground pipes, to encapsulate grout for ground anchors in permeable ground, and as anti-ballast pillows for submarine pipelines.

BBR Case Studies

Toru Apartments PRESSS, Queenstown
Case Studies Post-tensioning

Toru Apartments PRESSS, Queenstown

Naylor Love were engaged by New Ground Capital to construct a new 7 storey apartment block in Frankton, Queenstown. The building was designed by Kirk Roberts using the PREcast Seismic Structural System (PRESSS). BBR Contech was involved early in the project as the Post Tensioning Specialist working through constructability issues with the building contractor.
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Hawera Water Tower concrete repairs
Case Studies Concrete Repairs

Hawera Water Tower concrete repairs

“The view is stunning, the artwork is beautiful. The design is sleek, graceful and refreshing.” That’s a comment from one very impressed commentator on a brand-new footbridge gracing Auckland’s waterfront – a project in which BBR Contech was delighted to be involved.
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Seatoun Tunnel Portal Strengthening
Case Studies Rock & Ground Anchoring

Seatoun Tunnel Portal Strengthening

As part of the upgrade and strengthening of an existing 3 level commercial building in Riccarton the designers contemplated options for 34% NBS and 67% NBS which included application of carbon fibre to strengthen the third floor concrete diaphragm.
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