what do u mean by elongation & flakiness of aggregate?
Answer Posted / sowmiya b.e
Elongation index is the % by weight of particles whose greater dimension is greater than 4/5 of the mean dimension
ELONGATION INDEX = (wt of aggregate retained on specified gauge) / (total wt of aggregate taken)
Flakiness index is the % by weight of particles whose least dimension is lesser than 3/5 of the mean dimension
FLAKINESS INDEX = (wt of aggregate passing thro thickness gauge) / ( total wt of aggregate taken)
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