TORSION BEHAVIOUR ON BETHAMCHERLA MARBLE STONE AGGREGATE
V.RAMESH BABU
Assistant professor, Dept of Civil Engineering, K.S.R.M College of Engineering, KADAPA, AP , IN
Dr. B.RAMESH BABU
Assistant professor, Dept of Civil Engineering, K.S.R.M College of Engineering, KADAPA, AP , IN
Dr. C. SASHIDHAR
Assistant professor, Dept of Civil Engineering, K.S.R.M College of Engineering, KADAPA, AP , IN
Keywords: Natural Granite coarse Aggregate, Bethamcherla marble stone aggregate, GI steel fibers, Torsion strength, concrete.
Abstract
In the recent year demand for concrete has increased worldwide. This has lead to development of various studies on materials. Meanwhile we ae not allowed to complete the natural resource usage in concrete. We have some waste materials which were not useful in that pattern of works. One of those material is Bethamcherla marble stone aggregates as replacement of coarse aggregate in concrete. This paper represents the study of ‘torsion’ strength of concrete for different combinations. The comparison is made between conventional aggregate beams and beams made with Bethamcherla marble stone aggregates (BMSA). The beams of varying proportions are casted replacing partially and fully natural granite coarse aggregate (NGCA) with using BMSA. The beams are tested by adding GI steel fibre of volume 0%, 1% and 2% of volume of conventional beam. It is observed that there is consistent decrease of torsion strength of concrete of 0, 25, 50, 75 and 100 % of replacement of natural granite coarse aggregate (NGCA) with Bethamcherla marble stone aggregates. It was also observed that strength increased with respect to each other percentages when 1% and 2% of GI steel fibers were used compared with conventional beam
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