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Effect of Ground Granulated Blast Furnace Slag as Partial Cement Replacement on Compressive Strength of Concrete

Rajesh Kr. Pandey, Abhishek Kumar, Ashish Mishra


The main objective of this research work is to determine the optimum replacement percentage
of GGBS which can be suitably used. To fulfill the objective, various properties of concrete
using GGBS have been evaluated. Mix design has been arrived for M25 concrete. Fineness,
specific gravity (cement and GGBS), normal consistency, initial and final setting time and
compressive strength of cement have been found out. Particle size distribution, bulking of fine
aggregate, specific gravity, water absorption of fine aggregate and coarse aggregate are also
found out. Three sets of experiments have been conducted for the compressive strength of
concrete cubes without GGBS in which total nine concrete cubes have been casted and are
tested at 7, 14 and 28 days. Then afterwards, 63 cubes, out of which, nine cubes each of 10,
20, 30, 40, 50, 60 and 70%, GGBS replacement are also casted and are tested at 7, 14, and
28 days. Slump cone test has also been performed to find out the workability of control
concrete and concrete with different percentage replacement. From the experimental
investigations, it has been observed that, the workability of concrete increases with increase
in percentage of GGBS. Compressive strength of concrete increases as the percentage of
GGBS increases up to 40% replacement, beyond which it starts decreasing. The investigation
revealed that the use of ground granulated blast-furnace slag, which is hazardous to the
environment, may be used as a partial replacement of cement, which leads to economy and in
addition, by utilizing the industrial wastes in the useful manner, the environment pollution is
also reduced to great extent, which leads to sustainable development.
Keywords: Ground granulated blast furnace slag, compressive strength, workability, particle
size distribution, specific gravity

Cite this Article
Pandey Rajesh Kr, Abhishek Kumar,
Ashish Mishra. Effect of Ground
Granulated Blast Furnace Slag as Partial
Cement Replacement on Compressive
Strength of Concrete. Journal of
Construction Engineering, Technology and
Management. 2017; 7(3): 1–10p.

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