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Ipswich Road Busway Bridge


Relieving Slab Stabilization

Project Type

Stabilization of the approach Relieving Slab above the abutments with high early strength grout (5 MPa in 4 hrs) and general grout for the mass fill area all pumped in

Client Location

Main Roads

Scope of Work

Provide WMS, JHA, Environmental Plan, Project Quality Plan, Site Management Plan, Traffic management Plan, Scaffolding, Repair cracked retaining panels, grout up to underside of relieving slab from the underside with standard high flow grout building up in layers and allow to gain sufficient strength, then using pressure crack injection theory inject from above at night when the bus traffic has been closed to provide the support to the underside of the relieving slab using a high early strength grout to harden in 4 hrs to 5 MPa to allow the opening for bus traffic first thing in the morning. Coordinate with Main Roads, Roadtek and our teams and have suitable back up plans and inspection test plans to provide the necessary quality

Project Program

1 week from set up

Other Services

Scaffolding, crack remedials, wall stabilization, visual assessment, grout pumping equipment

Key Performance Indicators

Stabilize the relieving slab on both abutments and prevent further washout. Carry out the pumping at night. Ensure grout flow avoiding air pocket entrapment


Pumping of the final grout level in the time frames required with enough strength gain to allow the bridge to be open up to bus traffic at 6 am in the morning

Reference Name

Relieving Slab Stabilization – Ipswich Road Busway Bridge


$75 to $100 K


Building Solutions Brisbane Pty Ltd is a dynamic company that specialises in bespoke contracting works. Services are offered to clients throughout Queensland. Our tailored skills and innovating solutions place us as recognised leaders within our fields.


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