Fibre use in concrete - including novel fibres that use the poison ratio to a positive effect for bond strength.

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Abstract

Fibres have been used in construction materials for thousands of years. Fibre reinforcement of building materials is not new, indeed the use of straw to reinforce bricks dates back to Egyptian times, also horse hair was commonly used to reinforce lime/sand plaster until the 1950s and asbestos has been used for around 100 years as a cement reinforcement. It is worth noting in some countries, natural fibres are often used in concrete manufacture, such as flax, wood, palm, jute, bamboo, etc. these natural products have the advantage of having low environmental impact and low environmental manufacturing costs. “One mechanical property of great practical significance is fibre reinforced concrete’s ability to absorb energy”, this is a key characteristic when analysing the durability of concrete with fibre additions, when considering dynamic or impact loading. Fibres are categorized into Type 1 and Type 2 synthetic fibres, and straight steel fibres of various shapes. Fibres under development are steel fibres that will provide reinforcement in the x,y and z axes, closed loop steel fibres, positive poission ratio fibres that grip under load. The aforementioned fibre types will be presented and discussed.
Original languageEnglish
Publication statusPublished - 6 Mar 2016
EventBITs 2nd Annual World Congress of Smart Materials - Singapore
Duration: 6 Mar 2016 → …
http://www.bitcongress.com/wcsm2016/

Conference

ConferenceBITs 2nd Annual World Congress of Smart Materials
Period6/03/16 → …
Internet address

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