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ArcelorMittal Bissen S.A., 7769 Bissen, Luxembourg

Flat slabs made of steel fibre-reinforced concrete


Normal flat slabs made of cast-in-situ concrete are generally reinforced with mesh and sometimes further reinforced with steel bars. T-beam profiles are another alternative with corresponding stirrup reinforcement in the beams. In a major trial on the company premises of ArcelorMittal Bissen S.A. in Luxembourg it has been shown that with a higher fibre content, self-supporting flat slabs made of steel fibrereinforced concrete, so-called TAB-Slabs®, can meet the required safety level. These results have been confirmed in another major trial in Tallinn. Steel fibre-reinforced concrete has been used successfully for many years in components with limited hazard potential. Current regulations however are limited to performance values which can be achieved with thus-far standard fibre contents of up to 50 kg/m3. This paper describes the backgrounds and the results of the new trials plus reference projects carried out in different countries for flat slabs made of steel fibre-reinforced concrete. Particular reference should be made to a residential and commercial block built in Ingolstadt in 2007. The specific commercial factors are dealt with individually in each case.

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CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 12 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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