01-06-2018, 05:38 PM
Concrete International January 2018 No. 1 Complete Issue
Author(s)/Editor(s): ACI International | Size: 7,58 MB | Format: PDF | Quality: Original preprint | Publisher: ACI International | Year: 2018 | pages: 64
Author(s)/Editor(s): ACI International | Size: 7,58 MB | Format: PDF | Quality: Original preprint | Publisher: ACI International | Year: 2018 | pages: 64
Racing Towards a Green Future
The Great Northern Concrete Toboggan Race is a competition among engineering students from colleges and universities across Canada and the United States. In 2017, the Queen’s University, Kingston, ON, team won the overall championship as well as the award for Most Sustainable Toboggan with the self-consolidating magnesium silicate concrete racing toboggan.
Field Application of Nonproprietary Ultra-High-Performance Concrete
Researchers at the University of Michigan, Ann Arbor, MI, developed nonproprietary ultra-high-performance concrete (UHPC) mixtures that can be made from off-the-shelf products and do not require onerous placement or special curing processes. The resulting material has similar performance characteristics but is substantially less expensive than proprietary UHPC mixtures.
The Rheology of Control Flow Concrete
A new family of polycarboxylate polymer admixtures enables the production of control flow concrete. Control flow concrete is produced using mixture proportions typical of conventional concrete. While it has the same segregation resistance as conventional concrete, it flows more readily and has high passing ability through congested reinforcement.
2017 Concrete Society Awards for Excellence in Concrete
The 2017 Concrete Society Awards for Excellence in Concrete were presented in London, UK. The 2017 Winner was the Queensferry Crossing, Forth Replacement Crossing, Rosyth, Scotland, the world’s longest three-tower cable-stayed bridge. Five other projects were also recognized as Highly Commended.
Concrete Q&A: Epoxy-Coated Reinforcement and Cover Depth Against Ground
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