Fibre-reinforced cementitious composites with adapted rheology: From state-of-the-art knowledge towards new boundaries for structural concrete applications

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Title: Fibre-reinforced cementitious composites with adapted rheology: From state-of-the-art knowledge towards new boundaries for structural concrete applications

Author(s): Liberato Ferrara

Publication: Special Publication

Volume: 310

Issue:

Appears on pages(s): 91-102

Keywords: Fibre-reinforced self-compacting concrete, fibre orientation, non-destructive monitoring, computational fluid modelling, test methods for flow-induced anisotropy.

Date: 3/17/2017

Abstract:
Fibre-reinforced self-compacting concrete (FR-SCC) combines the benefits of highly flowable concrete in the fresh state with enhanced performance in the hardened state in terms of crack control and fracture toughness provided by the dispersed fibre reinforcement. A “holistic” approach can be conceived to the design of structure made with highly flowable/selfconsolidating FRC, which encompasses the influence of fresh-state performance and casting process on fibre dispersion and orientation, and the related outcomes in terms of hardened state properties. In this framework, this paper, after a review of the current state of the art on the aforementioned topics based on the research performed by the author in the last decade, the research needs will be discussed which have to be urgently tackled in order to address the use of this kind of advanced cement based materials for high-end structural applications.