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Pendulam Impact Test on RCC and SFRC Plates

S. Elavenil*

*Professor in Civil Engineering, School of Mechanical and Building Sciences, V.I.T.University (Chennai Campus),Vandalur, Chennai.

Periodicity:June - August'2013
DOI : https://doi.org/10.26634/jste.2.2.2381

Abstract

Concrete structures are often subjected to various types of dynamic forces. Fibre reinforcement improves the dynamic behavior of reinforced concrete plates under impact loading. The paper reports an experimental investigation on the dynamic behavior of Steel Fibre Reinforced Cement Concrete (SFRC) plates under pendulum impact test. The variables considered were percentage volume fraction of steel fibres, aspect ratio, the angle of impact and the thickness of the plate. The peak amplitude versus frequency behavior of Steel Fibre Reinforced Concrete plates was studied. The magnitude of amplitude increases in the order of 30% for Steel Fibre Reinforced Concrete plates fixed on two sides as compared to plates fixed on all four sides. The increase in aspect ratio of steel fibres shows a 30% higher frequency. It is observed that the drop in the peak amplitude is gradual for steel fibre reinforced plates fixed on four sides. Based on the peak amplitude versus frequency behaviour, the numerical expression for amplitude in terms of frequency is suggested.

Keywords

Dynamic Response, Frequency Of The Plate, Steel Fibres And Amplitude

How to Cite this Article?

Elavenil, S. (2013). Pendulam Impact Test on RCC and SFRC Plates. i-manager’s Journal on Structural Engineering, 2(2), 1-8. https://doi.org/10.26634/jste.2.2.2381

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