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Bond Characteristics of Waste Plastic Fibre Reinforced Concrete - an Experimental Investigation

Prahallada M.C.*, Prakash K.B.**

* Professor, Department of Civil Engineering, Christ University Faculty of Engineering, Bangalore, Karnataka, India.

** Principal, Government College of Engineering, Haveri, Karnataka, India.

Periodicity:June - August'2013
DOI : https://doi.org/10.26634/jste.2.2.2385

Abstract

The presence of fibres restricts the growth of creep and shrinkage strains and hence, the skin around the rebar in concrete has better resistance against pullout. Therefore, the bond strength increases by the fibre addition. The contribution of waste plastic fibres towards the bond strength characteristics of FRC is investigated in the present study. A total of 27 specimens were cast to study the variation in bond resistance due to variation in percentage of plastic fibres for the pre-fixed aspect ratio with centrally placed medium tensile steel bar as reinforcement. A definite increase in the interfacial force at the surface of reinforcing bar is observed, due to use of fibre reinforced concrete replacing ordinary concrete. The contribution of fibres in increasing the interfacial forces is evaluated in terms of increase over plain concrete.

Keywords

Fibre Reinforced Concrete, Waste Plastic Fibre, Bond Strength

How to Cite this Article?

Prahallada, M.C., and Prakash, K.B. (2013). Bond Characteristics of Waste Plastic Fibre Reinforced Concrete - an Experimental Investigation. i-manager’s Journal on Structural Engineering, 2(2), 30-33. https://doi.org/10.26634/jste.2.2.2385

References

[1]. Abdeldjelil Belarbi., Huanzi Wang. “Bond-slip response of FRP reinforcing bars in fiber reinforced concrete under direct pull out”.

[2]. Balamukund.K.V., et al”. “Bond strength of fibre reinforced concrete”, Proceedings of the National Conference on Civil Engineering Materials and Structures, Jan 19-21, Osmania University, India.

[3]. Dhirendra singhal., et al”. “Effect of fibre shape on bond strength of SFRC”, IE (I) Journal-CV

[4]. Job Thomas, Syam Prakash,V. (1999). “Strength and behavior of plastic fibre reinforced concrete”, Journal of Structural Engineering, Vol 26, No.3, pp. 187-191.

[5]. Samen Ezeldin. A., Balaguru. P. N. (1989)., “Bond behavior of normal and high strength fiber reinforced concrete”, ACI Material Journal, pp.515-524.

[6]. Singh. A. P. Singhal. D. [1998]. “Effect shapes on compressive and bond strengths of steel fibre reinforced concrete”, IE (I) Journal-CV, Vol 79.

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