Effect of chopped basalt fibers on the mechanical properties and microstructure of high performance fiber reinforced concrete
Advances in Materials Science and Engineering, ISSN: 1687-8442, Vol: 2014, Page: 1-14
2014
- 81Citations
- 104Captures
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Article Description
This paper presents the mechanical properties and the microstructure of the high performance fiber reinforced concrete (HPFRC) containing up to 3% volume fraction of chopped Basalt fibers. Three types of the concrete were prepared, out of which, the first type was prepared by utilizing 100% cement content. The other two types of the concrete were prepared by replacing 10% cement content with silica fume and the locally produced metakaolin. Using each concrete type, four mixes were prepared in which Basalt fibers were added in the range of 0-3%; that is, total twelve mixes of the HPFRC concrete were prepared. From each of the twelve concrete mixes, total twelve specimens were cast to determine the mechanical properties of the HPFRC including compressive strength (cube and cylinder), splitting tensile strength, and the flexural strength. In this way, a total of 108 specimens were cast and tested in this study. Test results showed that the addition of the Basalt fibers significantly increased the tensile splitting strength and the flexural strength of the HPFRC, while there was slight improvement in the compressive strength with the addition of Basalt fibers. The microstructure of HPFRC was examined to determine the interfacial transition zone (ITZ) between the aggregates and the paste by using field emission scanning electron microscope (FESEM), which showed the improvement of the ITZ due to the addition of the Basalt fibers.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84908340177&origin=inward; http://dx.doi.org/10.1155/2014/587686; http://www.hindawi.com/journals/amse/2014/587686/; http://downloads.hindawi.com/journals/amse/2014/587686.pdf; http://downloads.hindawi.com/journals/amse/2014/587686.xml; https://dx.doi.org/10.1155/2014/587686; https://www.hindawi.com/journals/amse/2014/587686/
Hindawi Limited
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