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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: The Effect of Steel Fibers on the Moment Redistribution and Rotation Capacity of Post-Tensioned High-Strength Concrete Beams
Author(s): P. De Pauw and L. Taerwe
Publication: Special Publication
Appears on pages(s): 351-362
Keywords: high-strength concrete hybrid fibre reinforced concrete;moment redistribution; post-tensioned beams; rotation capacity
Abstract:Partial prestressing, unbonded tendons and high-strength concrete have become commonly used techniques and materials in the prestressed concrete industry. The effect of their application on the non-linear behaviour of continuous post-tensioned beams was studied in an experimental program at the Magnel Laboratory for Concrete Research of Ghent University. It was found that post-tensioned continuous concrete beams with higher strength concrete had limited moment redistribution and rotation capacity. In a further study it was investigated whether this effect can possibly be modified by the addition of regular steel fibres and micro steel fibres in high-strength concrete. The effect of regular steel fibres seemed rather limited. The addition of micro steel fibres improved the rotation capacity of high strength concrete beams.
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