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초록· 키워드

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High Performance Fiber-Reinforced Cement Composites (HPFHCCs) encompass a wide variety of cementitious composites whose behavior in tension is significantly more ductile than that of traditional fiber-reinforced concretes. In these HPFRCCs, first cracking is followed by pseudo-strain hardening behavior that leads to a peak strength greater than the first cracking strength. This pseudo-strain hardening is due to the ability of the fibers to bridge the cracks and allow for the formation of distributed steady-state cracking before localization occurs (Li and Leung, 1992). Because of their enhanced tensile ductility, as well as their damage tolerant characteristics, these HPFRCCs have been proposed for use in a number of applications where their unique mechanical properties can provide improved structural performance. One such example is in the field of earthquake engineering, where structures are subjected to large inelastic displacements and therefore require adequate ductility and energy dissipation capacity. Examples of recent experimental and analytical research where HPFRCCs have been proposed for use in seismic applications include infill walls or panels in non-ductile frame systems and use in bridge columns (Kesner and Billington, 2003: Rouse and Billington, 2003; Billington and Yoon, 2004; Yun et al reference).

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Abstract
1. Introduction
2. Background on Experiments
3. MODELING METHODS
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2009-540-017418571