Performance-based Design
of Self-Compacting Fibre
Reinforced Concrete
By Steffen Grunewald
September 2004
Delft University Press
ISBN: 9040724873
174 pages, Illustrated, 6 ½" x 9 ½"
$79.50 Paper Original
OUT OF PRINT
This is a Ph.D. dissertation. The development of self-compacting concrete (SCC) marks an important milestone in improving the product quality and efficiency of the building industry. SCC homogeneously spreads due to its own weight, without any additional compaction energy and does not entrap air.
SCC improves the efficiency at the construction sites, enhances the working conditions and the quality and the appearance of concrete. Fibres bridge cracks and retard their propagation. They contribute to an increased energy absorption compared with plain concrete.
Self-compacting fibre reinforced concrete (SCFRC) combines the benefits of SCC in the fresh state and shows an improved performance in the hardened state compared with conventional concrete due to the addition of the fibres. Due to its special characteristics new fields of application can be explored. This thesis provides tools and models to optimize SCFRC in the fresh and hardened state. Relevant literature and the experience gained during the experiments are summarized; various experimental studies were performed.
The objectives of this research project were to optimize SCFRC in the fresh and the hardened state and to model the behavior in order to provide reliable design tools; mainly steel fibres were applied. SCFRC can be optimized for various purposes: to apply the highest possible fibre content, to obtain the highest performance-cost ratio, to design the granular skeleton for the highest packing density or to produce with the lowest possible material costs. The effect of the production process on the characteristics of SCFRC was also studied.
Contents include: Introduction, SCC as a Suspension, Effect of Fibres on the Behavior of Concrete in the Fresh State, Predicting the Packing Density of the Granular Skeleton, Experimental Parameter Studies on SCFRC in the Fresh State, Modeling SCFRC in the Fresh State: From Individual Components to an Optimized Mixture Composition, Cement-based fibre reinforced matrices in the hardened state, The effect of steel fibres on characteristics of SCC in the hardened state, Modeling the bending behavior of SCFRC, Case Studies on SCFRC, Conclusions and Future Conclusions.
Civil Engineering
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