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Textile reinforced concrete –Innovative! Light! Formable!


Deutsches Zentrum Textilbeton [German Textile Reinforced Concrete Centre], 01187 Dresden, Germany

 


For a long time now cement-bound concrete has offered a wide range of constructive design and manufacturing possibilities. Its low tensile load bearing capacity is compensated in the case of steel reinforced concrete by means of a reinforcement laid inside. If this steel reinforcement is replaced by textile reinforcements [1], the new composite material ‘textile reinforced concrete’ results. Several layers of high performance textiles are embedded layer-wise in a fine concrete matrix. Endless yarns comprised of hundreds of individual fibres are woven to textile structures with the latest multiaxial and parallel weft knitting techniques. The possibilities for a multiaxial and, hence, stress-oriented reinforcement configuration are thereby manifold. Depending on the subsequent building application, the reinforcement textiles can be provided with suitable coatings in order to further improve handling and load-bearing capacity [14]. A special, partly self-compacting, high performance microconcrete is used. Compared to conventional steel reinforcements, however, the carbon or alkali-resistant glass fibre textiles used are non-corrosive [11]. Self-contained structural elements can be manufactured and existing structural elements can also be strengthened with textile reinforced concrete.

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CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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