Table 3 Properties of aggregates.

From: Machine learning predictions of high-strength RCA concrete utilizing chemically activated fly ash and nano-silica

Aggregates

Quarry

Max size

Min size

Relative density

Water absorption

Fine

Lawrancepur

4.75 mm

0.075 mm

2.65

1.05%

Coarse

Margalla

12 mm

9 mm

2.66

1.15%

Recycled

Lab concrete waste

12 mm

9 mm

2.45

3.32%

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