More than 90% of Australia’s sewers are lined with OPC concrete, which deteriorates when it comes into contact with harsh acidic environments. The repair of these assets is an ongoing challenge for owners and government authorities as the existing network is suffering widespread attack. This is because regular OPC liners cannot suppress the metabolism of […]
Archive for 2021
ZeoCem: The Binder That’s Increasing the Design Life of Our Cementitious Range By 3x
Posted in Uncategorized
Modulus of Elasticity of Concrete & Mortars
Posted in Cements, Grouts & Mortars
Modulus of Elasticity of Concrete: 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 […]
Ensuring TBM Compression Gaskets Resist Natural Groundwater Pressure
Until recently, terminating cross-passage membranes to TBM segments had been one of the unsolved mysteries of tunnelling. Thanks to recent innovations in gaskets and pressure terminations, all hydrostatic forces can be resisted to ensure they meet the ‘no damp patches’ specification. The most challenging part of any cross-passage termination is ensuring the membrane connects and […]
Conference Report: Australasian Tunnelling Society 2020+1
Posted in Construction News
The Australasian Tunnelling Society Biennial Conference was held at the Melbourne Exhibition and Convention Centre from 10th-13th May 2021. With more than 50 exhibitors and 440 delegates (70 from New Zealand), the conference was well attended. On the morning of the first day of the Conference, Bluey Site Engineer Victor Ngo gave a presentation […]
3 Features Which Have Increased ZeoGlass’ Design Life in Sewers from 15 Years to 40 Years
When combined, the three features below extend BluCem ZeoGlass’ design life for up to 3 times as long as regular OPC shotcretes. 1) Corrosion Resistant Recycled Glass BluCem ZeoGlass is unique in that more than 50% of the mix is recycled by-products, including glass aggregate which is totally inert to corrosion in acid sewer environments. […]