New binders and surface technologies

Prospects in concrete technology

With a world-wide annual production of more than 10 billion m³ and the respective surfaces, concrete has been the most frequently used building material all over the world for more than a century. This will also be true in future due to the fact that the constituents of concrete are available almost everywhere and because of its synergistic behavior in combination with reinforcing steel and its excellent price-performance ratio. Concrete does not only contribute to meet the highest structural requirements in terms of load-bearing capacity and durability, but concrete innovations even more...

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Issue 2018-02

Concrete slab system

(11) 2549847 A (22) 24.03.2017 (43) 01.11.2017 (57) A concrete slab system includes a bed 20 of a first concrete having a top 22 surface and edge 20E surfaces. The bed’s top surface 22 has shrinkage...

Issue 2018-08 Sika

Sika Control-600 SR minimizes drying shrinkage

Sika announces that it is the first manufacturer to receive a general building authority approval (AbZ) for a shrinkage reducing agent to minimize drying shrinkage in concrete. This was necessary...

Issue 2013-09 Helio Clean/Dyckerhoff

Research project on nitrogen oxide reduction

From 2009 to 2012, the “Helio Clean” project funded by the Federal Ministry of Education and Research dealt with the catalytic disintegration of air pollutants under sunlight exposure using building...

Issue 2014-01

Internal curing composition for concrete mixtures

(10) WO 2013/177318 A2 (22) 22 May 2013 (22.05.2013) (43) 28 November 2013 (28.11.2013) (57) A cementitious mixture including drinking water treatment waste (DWTW) solids, an aggregate, cement and...

Issue 2018-02 Limestone-based green cements

Predicting concrete shrink-behavior

The cement industry generates about 6% of global CO2 emissions that are primarily caused by the production of Portland cement clinker. A reduction in the clinker content of cement and concrete and its...