Experimental Study of Properties of Concrete using GGBS and M-Sand with Addition of Basalt Fibre

Pasupuleti Murali Krishna*, K. Rajasekhar**
*PG Student, Department of Structural Engineering, Jawaharlal Nehru Technological University Anantapur, Andhra Pradesh, India.
**Principal and Professor, Department of Civil Engineering, Jawaharlal Nehru Technological University Anantapur, Andhra Pradesh, India.
Periodicity:December - February'2019

Abstract

The present experimental investigation is to study the effect of replacement of Cement by Ground Granulated Blast Furnace Slaly (GGBS) and FA by M-Sand. The effect of combined replacement by GGBS, M-Sand, and chopped basalt strands on compression strength, split tension strength and young's modules strength of concrete is also investigated. Comparison of the results of tests on Conventional Concrete, and concrete made with partial substitutions & combinations of GGBS, MSand, and chopped basalt strands are done. The durability of concrete is studied through an acid attack test on specimens of both Conventional Concrete and modified concrete. Replacement levels of fine aggregate with M-Sand are 10%, 20%, and 30%. Replacement levels of Cement with GGBS are 10%, 15%, and 20%. The dosage of basalt fibres is 1%, 1.5%, and 2% by weight of cement. The mechanical properties were compared with the control mix for a combination of GGBS (15%), M-Sand (30%), and 1.5% of Basalt Fibre, There is a significant performance improvement of the compressive strength, by up to 21%. A similar trend is observed in the case of Split Tensile Strength (29.5%) and in Flexural Strength (9.2%).

Keywords

GGBS, Basalt Fibre, M-Sand, Compressive Strength, Split Tensile Strength, Combinations and Durability of Concrete

How to Cite this Article?

Krishna, P. M., & Rajasekhar, K. (2019). Experimental Study of Properties of Concrete using GGBS and M-Sand with Addition of Basalt Fibre, i-manager's Journal on Structural Engineering, 7(4), 17-23.

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