Projects 

South Road Superway - Megashor shoring

Article Details

  • SYSTEM Propping
  • PRODUCT Megashor
  • STRUCTURE TYPE Bridges, Roads, Viaducts
  • REGION Australia & New Zealand

The Megashor Towers used vary in height from approximately 3m to 15m, catering for the loading sequence required by the customer at each pier.

RMD Australia was engaged by Urban Superway to support numerous sets of paired precast concrete bridge segments using Megashor Towers.

The $842 million South Road Superway project is the biggest single investment in a South Australian road project in the State’s history. In part, the project will deliver a 4.8km non-stop road corridor, including a 2.8km elevated roadway, from the Port River Expressway to Regency Road.

RMD Australia has been engaged by Urban Superway to support numerous sets of paired precast segments over unique shaped pier structures on this project. RMD have designed and supplied numerous Megashor Support Towers positioned adjacent to the piers to pick up 3m long precast segments either side of the pier centreline, which were linked upon placement to produce a continuous 6m length of precast segment.

Each individual pier segment weighs up to 90 tonnes and is craned onto a hydraulic jack system located above Megashor Header Beams and Towers designed to take the loads back to the pilecap structure below.

The Megashor Tower Heights reached 15m
The Towers vary in height from approximately 3m to 15m, catering for the loading sequence required by the customer at each pier. As the Megashor Towers progress down the road from pier to pier, each tower has to be adapted and modified to cater for various heights, widths and in some cases loading requirements as dictated by the elevation of the road and segment size variation.

The need to facilitate constant flow of traffic adjacent to the new elevated roadway means that considerable design expertise is required to provide clear and safe access for traffic by way of introducing raking Megashor legs from the pick-up level at the top of the tower all the way back to the pile cap below.

Towers were removed, broken into segments and relocated into new areas
The removal and rebuilding of the Megashor Towers to cater for the variations throughout the length of the project resulted in them being broken into segments of approximately 5 metres high, craned off and re-located in lifts of up to 20 tonnes through a client designed “C” hook system. These would then be modified by makeup height and sometimes width to allow the next set of precast girders to be supported over the following pier.

At peak, with five sets of precast Megashor Towers supplied, over 200 tonnes of Megashor and assorted Super Slim Soldiers and accessories are being supplied to Urban Superway for the South Road Superway project.

RMD Australia has received very positive feedback from Urban Superway in regards to its technical design capability, supply and quality on this very complex project, the likes of which have not been seen in Adelaide before.

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