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Slipform Concrete Barriers

The Gomaco Commander III owned by Kerbing West is able to be in a 3 track or 4 track mode during the process of slipforming concrete barrier. This enables Kerbing West to slipform any type of height barrier to a maximum height of over 2 metres. The machine can also slipform in excess of 200 metres of median barrier per day. Of course, the type of barrier and the dimensions of the barrier determine the amount that can be slipformed daily.

Re-enforcement may be used when forming a concrete barrier and this may be either a re-bar cage or steel cables. Kerbing West has used both types of re-enforcing successfully during projects. Horizontal conduit pipes are also used to carry utilities and are very easily slipformed over.

All concrete barrier moulds are manufactured by Kerbing West at their premises in Malaga, WA. Existing moulds may be adjusted by their onsite fitter, who also is fully mobile and competent at meeting any needs the machine may require to ensure breakdowns and any other issues do not delay projects.

Kerbing West is professionally capable of completing any project that takes the form of Slipform Concrete Barrier.

Slipform Concrete Slot Drains

Slot drains combine the surface collection system with the carrier pipe. This type of slipformed drainage system can rapidly receive and channel liquid away from pavement surfaces.

It is considerably less wide than the equivalent open channel drain, and when combined with a vertical concrete barrier in the central reserve, the overall width of the central reserve can be minimised, therefore the land required for any freeway or highway may be greatly reduced.

There are many applications for Slipformed Concrete Drains which include:

  • Freeways and highways
  • Dedicated carriageways (eq. Parking lots)
  • Airports
  • Agricultural
  • Sporting venues
  • Municipal roads
  • Commercial and Industrial pavements

Only slight dishing towards the slot is required in the surface profile, which makes the slipformed concrete drain less hazardous for vehicles than an open channel drain with a 1 in 5 transverse surface slope. The slotted drain avoids collecting rubbish in the drainage system as the liquid entry to the drain is through a 2-5cm slot.

Slipforming slot drains allow for greater lengths of drain to be laid each day, to expedite the project. Slipforming of slot drains can be un-reinforced or reinforced by way of steel mesh depending on whether the drain is in an area of high load or not.

Barrier wall can be slipformed directly on the slotted drain. Maximum drainage efficiency is retain whilst utilising all the pavement to the edge of the wall.

Slipform Concrete Bridge Parapets

Slipforming bridge parapets are standard applications for Kerbing West's slipform paver in either 3 or 4 track mode over grade variations or bridge decking. The parapet mould is side mounted to accommodate minimum clearance requirements often found on bridge applications.

They can be slipformed over re-enforcement and/or conduits to meet most power supply and structural requirements.

The slipforming procedure produces a clean radius blending into the bridge aesthetics and eliminating the angular, sectional finish associated with pre-cast parapets. Kerbing West's recent projects demonstrate the use of slipform parapets that can be utilised to meet most bridge or ramp containment in line with Australian Bridge Design Standards.

This method of bridge parapet construction has been used throughout U.K., Europe and U.S.A. as well as the east coast of Australia over the past years.