الفهرس 
chapter 1Only 14 pages are availabe for public view
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Abstract
A comparative analysis of the experimental resuilts of the properties of hardend concrete with different replacement ratios of recycled aggregates was presented in this research. replacement precentages of coarse recycled aggregates (RA) of 0, 25,50, 75 and 100% replacement fine RA were also included. the mechanical properties of these mixes were determined.