Back at the Hagerbach Test Gallery
- Wolfgang Aldrian
- 20 Dezember, 2021
For more than 15 years, underground construction experts from all over the world have participated in our popular workshops at the Hagerbach Test Gallery in Switzerland. After a ...
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Self-Levelling Cementitious Screed Opens Up New Potential
- Nicoletta Zeminian
- 17 Dezember, 2021
Today, screeds are based on two main technologies: the traditional dry cementitious screed and the anhydrite screed. Application of dry cementitious screeds is labor-intensive and ...
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Reducing CO2 in Sprayed Concrete for Tunnelling Applications
- Wolfgang Aldrian
- 25 November, 2021
Sprayed concrete construction in double-shell lining is a CO2-intensive construction method for tunnel structures. We identify design improvement potentials and propose ...
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10 Ways to Reduce Segmental Tunnel Linings’ Carbon Footprint
- Wolfgang Aldrian
- 6 August, 2021
Segmentally lined tunnels use a large quantity of concrete, with the associated carbon burden that brings. However, rethinking your approach early on can reduce the carbon ...
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Sand Crisis and Recycled Concrete: How Admixtures Open Up ...
- Raphael Breiner
- 30 Juni, 2021
Concrete is the most widely used construction material in the world – and also the most environmentally discussed. One reason for this is its reliance on sand as a component – the ...
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