Slender box girders and/or less stirrups by applying HSC or HSFRC

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Abstract

By making use of HSC the box girders of Spanbeton are designed more slender. Use was made of additional prestressing and additional stirrups. Steel fibers were used to increase the ductility of the HSC. Besides the ductility, the steel fibers were used to increase the shear capacity of the concrete. Due to this increase, less stirrups were needed.