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Stone Strong Walls for 17 Mile Rocks Road Improvements

Posted on: November 1st, 2015
Newly completed Stone Strong Walls

Stone Strong Walls used on the 17 Mile Rocks Road improvements

17 Mile Rocks Road is a sub-arterial road that links the ever-growing Centenary suburbs of Brisbane with the inner west. As a result of new residential development in the area, 17 Mile Rocks Rd was unable to cope with increased traffic volumes. This was particularly the case at the Duporth Avenue intersection.


The Brisbane City Council undertook a traffic improvement program that required the road to be realigned to ease congestion. Safety would be improved by increasing the length of the merge lane.  New pedestrian pathways and a bicycle lane were also incorporated in the project.


The original system specified in the tender documents was a geo-grid reinforced soil /small segmental block design. Stone Strong Walls – the Big Block system – was offered by Concrib as a design & construct alternative engineered solution.  The Stone Strong retaining wall system put forward by Concrib’s designers was a near-vertical Gravity Design.  It covers a total wall area of approximately 700 square metres and has a maximum wall height of 5.0 metres.

Stone Strong Walls save time, look great.


With the Stone Strong system, we were able to greatly reduce the amount of excavation required for the select –fill reinforced soil zone as well as embedment depth of the small-block system, yielding a substantial saving in both time and excavation volume.  The great aesthetics of Stone Strong’s chiselled-granite facing also played a part in the selection of the retaining wall.


The bottom line was a great looking wall, fit for purpose, supplied and constructed by Concrib with a cost saving to the Brisbane City Council. The only delays experienced were due to wet weather; the client was satisfied with the finished result; the traffic is now flowing smoothly and merging is safer.

Need an engineered retaining structure?

Talk to the experts at Concrib. We have the knowledge and experience to tackle a variety of earth stabilisation, and construction projects.  Furthermore, our administration infrastructure is built around the needs of engineers, contractors and developers, so dealing with us is easy.

Please contact us on 1800 02 1800, or click here to see more examples of Stone Strong Walls.


Retaining Wall Design: Component Quality is Important

Posted on: April 17th, 2015

Brookwater Crib Wall Project

When a designer issues a design certificate (a Form 15 in Queensland), the design is being certified against a specified criteria, for example AS 4678, Earth Retaining Structures code.

A core requirement of this code is design life; for residential retaining walls it is 60 years.

Warner Lakes Stone Strong Wall

Often overlooked is the supporting criteria that references specific codes. These codes cover the quality and manufacture of the components that make up a particular retaining wall system.

An example is our Concrib Concrete Sleeper Wall System consisting of reinforced concrete sleeper beams and either hot-dipped galvanized steel posts or reinforced concrete posts.

For this system we must ensure that the components are compliant with the relevant codes:

  • AS 3600 for Concrete Structures
  • AS 4678 for Hot-Dipped Galvanizing
  • AS 4100 for Fabricated Steel Structures, and
  • AS 1554 for Structural Steel Welding.

Engineered Concrete Sleeper Wall

Engineered Concrete Sleeper Wall

The certifying engineer should always ensure that the structural design complies with the code, as well as the chain of supply used to fabricate or manufacture the wall components.

Here at Concrib, we operate a Quality Management System compliant with ISO9001:2008. This ensures we can supply all relevant documentation regarding certificates for structural steel, concrete, galvanizing, reinforcement etc.

We are also a Queensland Department of Transport & Main Roads-approved pre-caster of retaining wall products.

This provides peace of mind for both the designer and end user in regards to the retaining wall complying with Australian Standards.

For further details of our due diligence in regard to retaining wall design, call Concrib on 1800 02 1800, email us at or simply contact us.

Concrib proud to be a sponsor of Qld Transport Infrastructure Conference

Posted on: March 26th, 2015




Mark 5 – 6 May 2015 in your diary.

That’s the date of the 6th Annual Queensland Transport Infrastructure Conference and with over $18 billion in projects to be delivered before 2018, it promises to be one of the most informative conferences ever.

As an Associate Sponsor, Concrib will be at the Brisbane Convention and Exhibition Centre on both days to help the 200 expected delegates keep up to date with all the exciting new transport infrastructure projects, and aspects such as best practice – particularly on the subject of engineered retaining walls.

This “meeting of the minds” is not to be missed.

During the two days you’ll enjoy presentations by key public sector and private sector speakers, plus:

  • find out more about the next major projects in transport infrastructure for Queensland
  • get invaluable insights into the State’s focus towards delivering better transport infrastructure
  • hear about the challenges facing the QLD Government such as coping with an ever-expanding population
  • discover how the industry is financing projects in rail, roads, ports, airports
  • network with senior executives from government and business

For more information, simply visit the Queensland Transport Infrastructure Conference website, or call Concrib on  1800 02 1800

Concrib has been nominated for the 2013 Telstra Business Awards!

Posted on: February 28th, 2013

Concrib is a nominee for Australia’s most prestigious business awards. The Telstra Business Awards celebrates the country’s best innovators and entrepreneurs, and recognises their hard work, dedication and success. All
nominees have their business comprehensively evaluated, and finalists are given the opportunity to grow their business network and receive national exposure. Finalists will be announced after the closing date on 4th April.

If you wish to also put in a nomination for Concrib, simply go to, type in Concrib and select Concrib Richlands.


To find out more about the Telstra Business Awards, click here.

Telstra Business Awards Logo

Brand-new retaining wall at Bethania development

Posted on: September 28th, 2012

Stone Stone block close up

Project Stats:

  • 2,500 square face metres of walling
  • Maximum wall height 9 metres, average height 6 metres
  • 500 linear metres of reinforced concrete footing
  • 3,200 tonnes of Stone Strong precast modular blocks
  • 18,000 square metres of high-strength Geogrid soil reinforcement
  • 1,600 cubic metres of drainage aggregate within the block voids

Concrib is in the final stages of construction of one of our largest Stone Strong retaining walls to date, at the new industrial/commercial site at Bethania. The rapidly growing population in the Bethania area has created demand for big-box hardware outlets and new supermarkets — and this site, covering approximately 8 hectares, was the ideal location for this kind of development.

Stone Stone block close up
Stone Stone block close up

Unique interlocking blocks were the ideal solution

Concrib was engaged by the main civil contractor, CATCON, to provide a complete package, including:

  • Design
  • Construction
  • Certification

After extensive design assessments and modelling, including a global stability analysis, carried out by Concrib’s designers (Geoinventions Consulting Services) Stone Strong interlocking blocks were chosen as the ideal earth stabilisation solution for this
project. With 2,500m2 of walling, some of it 9 metres in height, these walls have turned out to be impressive structures. The wall has been built with a face batter of 18 vertical : 1 horizontal, in order to fully maximise the land value at the Bethania site.

Built to last

Combining high-quality purpose engineered walling with pleasing aesthetics, Stone Strong
is an attractive, affordable earth stabilisation solution that has been engineered to last. Close dimensional tolerances, robust structural design and 40mPa concrete allows for a 100-year design life within a broad range of applications and engineering settings.

Due diligence checklist

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