Mechanical properties of fiber reinforced pore free concrete with high strength matrix above 400MPa

Author(s) : R. Yanagida, T. Nakamura, K. Kono, J. Niwa
Paper category : Proceedings
Book title : UHPFRC 2017 Designing and Building with UHPFRC: New large-scale implementations, recent technical advances, experience and standards
Editor(s) : F. Toutlemonde & J. ResplendinoT.Ch.
Print-ISBN : 978-2-35158-166-7
e-ISBN : 978-2-35158-167-4
Publisher : RILEM Publications SARL
Publication year : 2017
Pages: 93 - 103
Total Pages : 11
Language : English

Abstract: A new cementitious composite with the extremely high compressive strength has been developed in Japan and named as Pore Free Concrete (PFC). To achieve the maximum density in the binder composition of the PFC, the multiple types of particles are packed as closely as possible based on the closest packing theory proposed by Furnas. The curing process for PFC is divided into three parts; the deaerating process, the steam curing process and the heat curing process under 200 °C. These procedures enable PFC to have a pore-free matrix and the high compressive strength above 400 MPa. However, the mechanical properties of PFC and the influence of the fibers on each mechanical property have not been clarified yet. This study aims to investigate the mechanical properties of PFC reinforced with steel fibers, such as the compressive strength, fracture energy and tension softening curve from experiments. In addition, the finite element analysis using mechanical properties of fiber-reinforced PFC were carried out to investigate the size dependence of flexural strength.

Online publication : 2017
Publication type : full_text
Public price (Euros) : 0.00