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 […]
Cements, Grouts & Mortars
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 […]
The Three Golden Rules for Road & Footpath Repairs
Posted in BluCem, Cements, Grouts & Mortars
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 […]
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 […]
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. […]
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 […]