Effect of Replacement of Cement by Different Pozzolonas on the Strength Characteristics of Slurry Infiltrated Fibrous Ferrocement


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Abstract


Ferrocement is light weight and versatile material having high cracking, ductility and fatigue resistance and is additionally impermeable to make it far superior than reinforced concrete/ordinary concrete. It is used for prefabricated residential units, marine and industrial structures. Slurry infiltrated fiber concrete (SIFCON) could be considered as a special type of fiber concrete with high fiber content. The matrix consists of cement slurry or flowing cement mortar. This composite material withstands blast loading and can be used for pre-stressed concrete beams and safe vaults. Slurry infiltrated fibrous ferrocement (SIFF) is a combination of SIFCON and ferrocement and can overcome the limitations of latter. SIFF can be used for the structures like runways in aerodromes, industrial floors etc. This paper deals with an experimental investigation on the strength characteristics of  SIFF using 1% by volume of steel, GI (aspect ratio 25 ) and polypropylene fibers (aspect ratio 800) with partial replacement of cement by flyash and metakaolin (5%, 10%, 15%, 20%, 25% and 30%) and silica fume (2%, 4% 6%, 8% and 10%). The results indicated an increase in the compressive, flexural, and impact strength with the increase in the addition of pozzolonic material with superplasticizer.
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Keywords


Ferrocement; Fibers; Fiber Reinforced Concrete; Slurry Infiltrated Fibrous Ferrocement (SIFF); Welded Mesh; Chicken Mesh; Compressive Strength; Flexural Strength; Impact Strength

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References


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