A Study on Structural Behavior of Reinforced Cement Concrete Slabs of High Strength Hybrid Fiber Reinforced Self Compacting Concrete

B. Narendra Kumar*, P. Srinivasa Rao**, G. Deepa***
* Associate Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology,Hyderabad, Telangana, India.
** Principal & Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, Telangana, India.
*** PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, Telangana, India.
Periodicity:September - November'2015
DOI : https://doi.org/10.26634/jste.4.3.3725

Abstract

An experimental program is carried out to evaluate the contribution of hybrid fibers on the structural behavior of high strength hybrid fiber reinforced self compacting concrete slabs. A total of six slabs is cast and tested. The slab dimension is 1200mm x 1200mm and the thickness is 100mm. The slabs are cast with the addition of hybrid fibers (steel and glass fibers) varying from 0% to 1.5% of weight of powder content. The slabs are tested under loading frame to obtain the load and deflection characteristics, first crack load, and the ultimate load. The Reinforced Cement Concrete slabs are designed as per IS: 456 (2000). Addition of hybrid fibers enhanced the first crack load and post cracking behavior. A marginal improvement in the ultimate load carrying capacity is observed. It is observed that, the load carrying capacity of reinforced cement concrete slabs with hybrid fibers (1.0 % steel fibers + 0.75 % glass fiber) showed an improved load carrying capacity compared to all other slabs.

Keywords

Self Compacting Concrete, Hybrid Fibers, Reinforced Cement Concrete Slabs, Ultimate Load.

How to Cite this Article?

Kumar, B.N., Rao, P.S., and Deepa, G. (2015). A Study on Structural Behavior of Reinforced Cement Concrete Slabs of High Strength Hybrid Fiber Reinforced Self Compacting Concrete. i-manager’s Journal on Structural Engineering, 4(3), 1-9. https://doi.org/10.26634/jste.4.3.3725

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