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International Journal of Concrete Structures and Materials

Table 10 Changes in the specific gravity and absorption rate of fine aggregates.

From: Evaluation on the Surface Modification of Recycled Fine Aggregates in Aqueous H2SiF6 Solution

Aggregate type

Before

After

Density (t/m3)

Water absorption rate (%)

Density (t/m3)

Water absorption rate (%)

NFA

2.52

0.54

2.51

0.55

RFA-1

2.34

5.12

2.39

4.88

RFA-2

2.19

8.37

2.20

6.84

RFA-3

2.27

7.64

2.33

6.58

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