Strength Properties of Hybrid Fiber Reinforced High Performance Concrete with Mineral Admixtures
Adanagouda1, H.M.Somasekharaiah2
1Adanagouda,Assistant Professor, Department of Civil Engineering, RYMEC, Ballari, Karnataka, India.
2Dr.H.M.Somasekharaiah, Professor, Department of Civil Engineering, RYMEC, Ballari, Karnataka, India.

Manuscript received on November 11, 2019. | Revised Manuscript received on November 20 2019. | Manuscript published on 30 November, 2019. | PP: 10775-10783 | Volume-8 Issue-4, November 2019. | Retrieval Number: D4346118419/2019©BEIESP | DOI: 10.35940/ijrte.D4346.118419

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Abstract: In recent days, High Performance Concrete (HPC) is rapid accomplishment for wide range of applications in the construction of concrete structures. When two fibers are added to concrete in a suitable combination to make the composite structures and it produce overall improve properties of concrete gives and also result in performance concrete that type of concrete is Hybrid Fiber Reinforced High Performance Concrete (HFRHPC). The use of mineral admixtures in concrete enhances its properties regarding strength parameters,, workability and durability of concrete. In this experimental work using mineral admixture like fly ash, silica fume and metakaolin towards the performance of HPC. The partial replacement of cement by different percentages of mineral admixtures are 0,10, 20 & 30% was used in the concrete mix containing composite fibers (Steel and Polypropylene) of different percentages viz 0,0.75,1.0 and 1.25% for all concrete mixes on the properties of High Performance Concrete. An Aggregate Binder (A/B) ratio of 1.75 with different water binder (W/B) ratio viz, 0.275, 0.30, 0.325, 0.350 and 0.375 was used in this investigation. In order to evaluate and compare the strength properties of different concrete mixes are conducted and results are tabulated. From the present investigation results showed that as the percentage of fibers increases the strength of concrete increases. Hybrid fiber ratio is 1.25% with 10% of metakaolin admixture and Aggregate binder ratio 1.75 gives maximum results in all strength parameters compare to other different mixes.
Keywords: Fly Ash, High Performance Concrete (HPC), Hybrid Fiber, Metakaolin, Polypropylene fiber, Silica fume Steel fiber.
Scope of the Article: Concrete Engineering.