PERFORMANCE OF SIFCON IN COMPRESSION

Abstract

SIFCON (Slurry infiltrated fibre concrete) is one of the recently developed materials and may be considered as a special type of fibre concrete with high percentage of fibre content (5 to 20%). It may also be considered as preplaced fire concrete through which, the cement slurry or flowing mortar is.infiltrated. At present very little is known about its behaviour. The main aim of this investigation was to study the performance of SIFCON in compression. 51 specimens were cast for testing in compression mode. The size of specimens was 100 mm cube with fibre content varying from 6 to 10%. For each volume fraction the aspect ratios 60, 75, 90 and 100 were used. In order to compare the improvement in performance, the specimens of plain mortar as well as SFRC were also cast. The experimental results showed that the strength of SIFCON specimens increased by 51 to 80% over SFRC specimens and 95 to 120% over plain mortar specimens. The addition of fibres increases the poisson's ratio upto 75% over plain mortar. The increase in toughness of SIFCON is 350% and 1015% over SFRC and plain mortar respectively. This study has widened the scope of the possible structural applications of this material in future