Challenges for Fibre and Interphase Design of Basalt Fibre Reinforced Concrete

Title: Challenges for Fibre and Interphase Design of Basalt Fibre Reinforced Concrete
Author(s): Th. Förster, R. Plonka, Ch. Scheffler, E. Mäder
Paper category : conference
Book title: International RILEM Conference on Material Science
Editor(s): W. Brameshuber
Print-ISBN: 978-2-35158-106-3
e-ISBN: 978-2-35158-107-0
Publisher: RILEM Publications SARL
Publication year: 2010
Pages: 57 - 66
Total Pages: 10
Nb references: 15
Language: English

Abstract: Basalt is a material, which is abundantly available due to its natural resources. Both, the raw materials constituents and the conditions of fiberization, especially the sizing and coating, determine the fibre properties, i.e. their durability and finally their application-oriented use as reinforcement for textile concrete. Firstly, the influence of different raw material constituents on the mechanical fibre properties and their durability has been investigated in cement solutions preferably based on the availability of different commercial filaments. As the results are influenced by unknown sizings, unsized basalt fibres were analysed in different alkaline solutions at varied pH-values. In this context, durability issues of basalt fibres as a function of different chemical constituents in comparison with glass fibres have been discussed. Based on our expertise on the surface modification of alkali resistant glass fibres and the fundamental investigations on unsized basalt fibres, in a second step, alkali resistant sizings and polymeric coatings are proposed for achieving improved performance compared with glass fibre reinforced concrete.

Online publication: 2010-10-21
Publication type : full_text
Public price (Euros): 0.00