Micro-reinforced precast members

Potentials of an almost forgotten construction method

The dimensions of typical precast beams can be reduced significantly thanks to the use of high-performance and ultra-high-performance concrete. As a result, the concrete cover of beams having a more distinct profile with webs measuring only a few centimeters may be insufficient for using conventional reinforcing steel. In such cases, the alternative of integrating a multi-layer micro-reinforcement composed of welded stainless-steel wire mesh in diameters from 0.5 to 2.0 mm and mesh sizes between 10 and 50 mm is associated with many benefits.

At the Division of Concrete Construction of the...

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