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Residual mechanical properties of basalt fibre reinforced cement mortars at elevated temperatures

Naveen Revanna (Xi'an Jiaotong-Liverpool University, Suzhou, China)
Charles K.S. Moy (Xi'an Jiaotong-Liverpool University, Suzhou, China)

Journal of Structural Fire Engineering

ISSN: 2040-2317

Article publication date: 23 August 2022




A study on the mechanical characteristics of cementitious mortar reinforced with basalt fibres at ambient and elevated temperatures was carried out. To investigate their effect, chopped basalt fibres with varying percentages were added to the cement mortar.


All the specimens were heated using a muffle furnace. Flexural strength and Compressive strength tests were performed, while monitoring the moisture loss to evaluate the performance of basalt fibre reinforced cementitious mortars at elevated temperatures.


From the study, it is clear that basalt fibres can be used to reinforce mortar as the fibres remain unaffected up to 500 °C. Minimal increases in flexural strengths and compressive strengths were measured with the addition of basalt fibres at both ambient and elevated temperatures. SEM pictures revealed fibre matrix interaction/degradation at different temperatures.


The current study shows the potential of basalt fibre addition in mortar as a reinforcement mechanism at elevated temperatures and provides experimental quantifiable mechanical performances of different fibre percentage addition.



The authors acknowledge the financial support from RDF 16–01–17 and XJTLU Key Program Special Fund KSF-E-27. The support from lab technicians in carrying out the experiment is greatly appreciated. The authors would like to thank reviewers for their time and constructive comments.


Revanna, N. and Moy, C.K.S. (2022), "Residual mechanical properties of basalt fibre reinforced cement mortars at elevated temperatures", Journal of Structural Fire Engineering, Vol. ahead-of-print No. ahead-of-print.



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