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Computers and Concrete
  Volume 19, Number 6, June 2017 , pages 617-623
DOI: https://doi.org/10.12989/cac.2017.19.6.617
 


Fuzzy logic model for the prediction of concrete compressive strength by incorporating green foundry sand
Khuram Rashid and Tabasam Rashid

 
Abstract
    This work is conducted with the aim of using waste material to reserve the natural resources. The objective is accomplished by conducting experimentation and verify by modeling based on fuzzy logic. In experimentation, concrete is casted by using natural/river sand as fine aggregate and termed as control specimen. Natural sand is conserved by replacing it with used foundry sand (UFS) by an amount of 10, 20 and 30% by weight. Fresh and hardened properties of concrete are investigated at different ages. It is observed that compressive strength and modulus of elasticity reduced with the increase in amount of UFS. Furthermore, concrete compressive strength is predicted by using fuzzy logic model and verified at different replacement ratio and age with experimental observations.
 
Key Words
    conservation; natural river sand; used foundry sand; compressive strength; fuzzy logic model
 
Address
Khuram Rashid: Department of Architectural Engineering & Design, University of Engineering & Technology, Main G.T Road Lahore, 54890, Pakistan
Tabasam Rashid: Department of Mathematics, University of Management & Technology, Lahore, 54770, Pakistan
 

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