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Author(s): H. Ma, S. Qian, V.C Li
Book Title: Seventh International RILEM Conference on High Performance Fiber Reinforced Cement Composites (HPFRCC7)
Editor: H.W. Reinhardt, G.J. Parra-Montesinos, H. Garrecht
ISBN: 978-2-35158-145-2
e-ISBN: 978-2-35158-146-9
Publisher: RILEM Publications SARL
Publication year: 2015
Pages: 259-266
Total Pages: 8
Language: English

Abstract: Polyvinyl Alcohol (PVA) fibre reinforced engineered cementitious composites (ECC) is a kind of composites reinforced with moderate fibre volume fraction, typically 2% by volume. Of special interest is the capability of ECC material to deform to high tensile strains, commonly over 4%, while maintaining very tight crack width. The standard ECC mix proportion is widely available in the literature; nevertheless direct adoption of such mixture cannot guarantee high tensile ductility due to wide material variations geographically. Furthermore, to reduce the material cost, domestic PVA fibres must be utilized, which has different physical/mechanical properties compared with commonly used PVA fibres from Japan. In this paper, Chinese domestic PVA fibres were adopted to develop highly ductile ECC material, along with other local ingredients, such as fly ash, cement, sand and crumb rubber. Preliminary results from tensile test suggest that it is feasible to use local ingredients, especially Chinese domestic PVA fibres to produce highly ductile ECC material in order to reduce material cost, promoting the use of this material in civil engineering fields in China.

Online publication: 2015
Publication Type: full_text
Public price (Euros): 0.00

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