SUPPORT FLUIDS

Support Fluids

Caporn Piling utilises support fluids (Polymer and Bentonite) to stabilise boreholes in loose or water-logged soils, ensuring safe and efficient pile construction without the need for temporary casing.

Support fluids, such as Polymer and Bentonite, provide temporary stabilisation in unstable ground conditions, preventing borehole collapse and seepage during pile installation. By exerting hydraulic pressure against the borehole walls, this method ensures structural integrity throughout construction.

Key Benefits:

  • Enables piling in loose, sandy, gravelly, or water-logged soils

  • Minimises the need for temporary casing

  • Ensures borehole stability throughout the process

Common Applications:

  • Deep foundation construction in challenging ground conditions

  • Large-diameter piling for infrastructure projects

Caporn Piling’s expertise in support fluid techniques ensures safe, efficient, and reliable foundation construction in complex soil environments.

Support Fluids Projects

Featured
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Scone Bypass, NSW
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The new Scone Bypass has removed around 500 heavy vehicles from the town centre of Scone and will improve traffic flow, travel times, and safety for all road users.
Caporn was delivered bored piles for three large bridges

Kelly Street South Loop ( 64.5 m long ) and consisted of three spans, each 21.5 m in length with central span crossing over Kelly Street.

Main Northern Railway Bridge (99.5 m long) and consisted of three spans, with the central span crossing the existing rail line.

Parson’s Gully Bridge (540m) consisting of twenty spans, each 27m in length.

SCOPE:

  • 37 No. 1050mm permanently cased bored piles.

  • 42 No. 1500mm permanently cased bored piles.

  • CSL testing

VALUE: $7m

EQUIPMENT:

  • 2No. Bauer BG28

  • 3No. Crawler Cranes 100 to 150tn

  • 2No. ICE 58B vibratory hammer

  • Polymer plant

CLIENT:Daracon Group

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Bridgewater Bridge, TAS
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Caporn Piling played a pivotal role in Tasmania’s largest-ever transport infrastructure project, the iconic Bridgewater Bridge, by delivering advanced piling solutions to support one of the longest road bridges over water in Australia.

Project Scope

  • Test Piles - using Osterberg Load Cells (4 No.)

  • Abutment A & B permanent piles (4 No. 2100mm diameter bored piles)

  • Piers 1 and 2 permanent piles (4 No. 2400mm diameter bored piles)

  • Piers 3 to 19 permanent piles (34 No. 2380mm diameter bored piles)

  • Piers 20 and 21 permanent piles (4 No. 2400mm diameter bored piles)

  • Piers 3 to 13 drilled under Polymer drilling fluid.

  • Piles were up to 90m in length and typically permanently cased for half the pile length.

Project Value:

  • $20,300,000

Equipment:

  • Bauer BG45 (2 No.)

  • Manitowoc M16000 Crawler Crane (2 No.)

  • ICE 110C Vibratory Impact Hammer

  • PTC 120HD Vibratory Hammer

In partnership with McConnell Dowell Constructors (Aust) Pty Ltd, Caporn Piling successfully delivered the foundation works for this forward-thinking project, demonstrating our commitment to engineering excellence and collaborative success.

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