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Compressive Axial Behavior of Short Columns Incorporating Bottom Ash and Reshaped Waste Tyre Rubber

. Dr. R. Shanmugam, Dr.M.Harikaran S.Gokulakannan and P. Keerthana Devi


Abstract

The modernization developments globally have led to a lot of infrastructure development. This progression leads to numerous problems, like the scarcity of construction resources. On the other hand, increased productivity is thrown away from the industry. The present work aims to use scrap tyre bus rubber by reshaping it as coarse gravel in the concrete by incorporating it by partially replacing it with a percentage of 5 and 10 replacing coarse aggregate in M30 concrete. In this work, coarse aggregate of sizes of 20mm and 15mm was used with a proportion of 70:30. Bottom ash was consumed as fine aggregate with manufactured sand in equal proportions.  The upshot of this work is that an anchor hole of 15mm in diameter is provided on the surface of the rubber grate, which enables the cement plaster to shape a cylindrical mooring between the ingredients and the concrete as well as bar to the rubber gravel. This increases the withstand power to failure under load, which simultaneously increases the strength. The short column specimen concrete circular beams, 150mm in diameter X 1000mm, were cast and have compressive axial characteristics. The load and axial deformation of short columns were discussed. The cracking strength of 10% RWTRA alternative concrete was established to be superior to standard concrete. The initial and ultimate crack of RWTRA incorporated concrete is higher than standard concrete.  It is established that the consequence of coarse aggregate surrogate by RWTRA will augment the performance of the short column.

Keywords- Bottom ash, Manufactured sand, Anchorage hole, Conventional short circular column, axial deformation, and ultimate crack.

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