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Investigation of fibre reinforcing the cover of concrete columns

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conference contribution
posted on 2024-11-13, 21:00 authored by Muhammad HadiMuhammad Hadi, Denis Montgomery
This paper explores the effects of adding synthetic reinforcing fibres to highstrength reinforced concrete columns and in particular only to the cover of the columns. An experimental program was conducted where seven circular reinforced concrete columns were tested with varying fibre content-one contained no fibres, two contained fibres throughout the cross-section and four contained fibres only in the outer concrete. The other column properties were kept the same for all the seven columns. All seven columns were tested by the application of a concentric, axial compression force. It was found that although only minor improvements were noticeable for a fibre content of 0.1%, the addition of 0.3% polypropylene fibres increased the load at which cover spalling took place. It was also found that the columns containing both FHSC in the outer concrete and HSC in the core exhibited higher levels of ductility than the columns containing FHSC throughout the entire crosssection.

History

Citation

Hadi, M. N. & Montgomery, D. (2005). Investigation of fibre reinforcing the cover of concrete columns. Proceedings of the 6th International Congress on Global Construction: Ultimate Concrete Opporunities: Cement Combinations for Durable Concrete (pp. 495-504). UK: Thomas Telford. Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees.

Parent title

Proceedings of the International Conference on Cement Combinations for Durable Concrete

Pagination

495-504

Language

English

RIS ID

13802

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