NDLI: Behavior of Reinforced Concrete Flexural Member with Hybrid Fibre under Cyclic Loading

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Behavior of Reinforced Concrete Flexural Member with Hybrid Fibre under Cyclic Loading

Content Provider	Semantic Scholar
Author	Sharmila, S.
Copyright Year	2013
Abstract	Concrete is the most widely used construction material because of its specialty of being cast into any desired shape. The main requirements of Earthquake resistant structures are good ductility and energy absorption capacity. Fibre reinforced concrete possesses high flexural and tensile strength, improved ductility, high energy absorption to the conventional concrete against dynamic loads. Because of the advantages of FRC, it can be used in Earthquake resistant structures. When concrete is reinforced with random dispersed fibres which prevent micro cracks from widening. Addition of two fibres of different properties can improve the properties of fresh concrete. This paper deals with the flexural behavior of Hybrid Fibre Reinforced Concrete beams (Namely RCC, SFRC, HFRC1, HFRC2) cast with Steel ,Glass and Recron-3s fibres under cyclic loading. The various parameters such as load carrying capacity, stiffness degradation, ductility characteristics and energy absorption capacity of FRC beams were compared with that of RC beam. The companion specimens were cast and tested to study strength properties and then the results were compared. In general, it is concluded that the effect of adding hybrid fibres influence the behavior of beams by increasing the ductility characteristics by 80% and energy absorption characteristics by more than 160%. Instead of adding single fibre, the combination of different types of fibres( Hybrid fibres) increases the energy absorption capacity substantially. This phenomenon is particularly advantageous in case of structures located in Earth quake prone areas. Index Terms: Glass fibre, High performance concrete, Recron 3s fibre, Silica fume, Steel fibre.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.ijset.net/journal/145.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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