Cements, Grouts & Mortars’ Category

What Happens When You Bathe BluCem ZeoGlass In Acid for 2 Years?

In the early stages of the BluCem ZeoGlass (ZeoGlass) development and approval process, we teamed up with The University of Sydney to conduct a test program, to analyse the “leading” sewer lining shotcretes and see how they perform next to ZeoGlass. These commonly used products consist of a geopolymer based shotcrete, a calcium aluminate cement

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Australia’s Forgotten Recycled Glass Piles Find New Use in Our Sewers

It’s been two years since China stopped importing the glass that Australians put in their yellow bins. Up to the first half of 2018, China annually imported more than 30 million metric tonnes of waste from all over the world. From July onward, however, the Chinese Government decided that they would no longer accept “foreign

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The Three Golden Rules for Road & Footpath Repairs

Roads & footpaths are getting busier each year. As anyone working in the industry knows, replacing and repairing them is becoming more challenging than ever. Stakeholders are pushing for works to be completed faster in an attempt to save money and minimise traffic interruptions. Bluey’s extensive experience with Fast Set Concretes (FSCs) and challenging commercial

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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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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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Concrete Repair: Why Modulus of Elasticity is the Most Critical Measure of Structural Performance

– By Daniel Bosco From the wide range of opinions about the best performing materials to the dozens of available products, the selection of concrete repair materials is a highly complex and challenging task. Depending on the application, the key drivers of performance can be categorised as either; durability, structural or aesthetic performance. This blog

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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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The Three Golden Rules for Fast Set Concrete

Runways and roads are getting busier each year. As anyone working in the industry knows, replacing and repairing them is becoming more challenging than ever. Stakeholders are pushing for works to be completed faster in an attempt to save money and minimise traffic interruptions. Bluey’s extensive experience with Fast Set Concretes (FSCs) and challenging commercial

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