Civil Engineering Tips’ Category

The 12 Week Breakdown Process of our 100% Compostable Cement Bags

Following two years of research and development, in January, we began overhauling the entire BluCem bagged product line, switching to Australia’s first 100% compostable cement bag. The switch to the compostable bags means that the annual 250,000+ plastic bags will no longer be added to landfill. Our compostable cement bags have undergone a Biodegradability Assessment,

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Boring the Brisbane Airport Link Tunnel and Grouting the Road Deck Simultaneously

At the time it was Australia’s largest road infrastructure project.  A 6.7km toll road featuring twin 5.1km tunnels connecting Brisbane’s CBD with the Northern Suburbs Airport Precinct. Since their completion in 2012, the tunnels and roadways are now part of a valuable Brisbane asset, assisting traffic flow and easing congestion. Upon starting the project, the

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How Bluey and Specialist Site Services helped the RMS repair the M1 Motorway in record time

There are a number of reasons that structural foundations weaken and deteriorate. Whether it’s a design flaw, changes in the application, natural causes such as drought, earthquakes or flooding or even just the passage of time; assets need remediation. In the past, when foundations deteriorated, entire sections of assets would be removed and later replaced.

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The Checklist for Tunnel Waterproofing Success – Part 2

Engineering is an important part of the waterproofing process. Bluey employs qualified, full-time engineers that specialise in tunnel waterproofing. This second instalment to our project checklist has been made by them, to ensure that project design consultants understand the strict detailing that is required to work in accordance with World’s best practices. 11) Check for

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The Checklist for Tunnel Waterproofing Success – Part 1

When waterproofing underground, the effort required to resist water pressure is often underestimated, so we’ve put together a list to solve the most common issues faced by waterproofing installers. 1 Selecting the right membrane type and thickness Bluey looks to International Standards, as well as our decades of experience in this area, to help you

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Saint Barbara – The Protector of Tunnellers & Engineers

For many civil engineers across Australia and the World, December 4th is a special day. Today is World Tunnelling Day, recognising the great work tunnellers do to make our lives easier, whether it be through underground utilities, roads or public transport. The day also pays reverence to Saint Barbara, the patron saint of tunnellers, miners

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Crack Injection, Product Selection

Take a good look at any concrete structure and you’re bound to see a few cracks forming. While it is easy to place the blame on materials or human error, the reality is that it’s in the nature of concrete to crack, even when the utmost care is taken during construction. When cracks form in

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Does the Non-Shrink Grout ‘Unicorn’ Really Exist? – Part 2

Last week we discussed the different types of shrinkage and the dimensional stability of grout products. This week we will examine timing, testing and shrinkage compensation of grout. In the most part, engineers and applicators will observe shrinkage at a specific point in time. Test data will often refer to ‘28-day shrinkage’ which is the

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Does the Non-Shrink Grout ‘Unicorn’ Really Exist? – Part 1

Just like the elusive unicorn, there’s a willingness to believe that non-shrink grouts really do exist. This imaginary grout not only lives on in the eyes of some engineers and end-users, but is repeatedly peddled by some of the leading suppliers of high-performance pre-packaged grout products. To determine once and for all if this ‘unicorn’

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The 5 Main Types of Concrete Failure – Here’s What You Need to Know

In the world of concrete repairs, the cause of the problem is not often visible, rather it is just a symptom of the real cause. Before any external faults show, stresses build up, internal chemical reactions may take place and unknown costs are already needed to repair the concealed failure. By the time it is

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