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International Journal of Concrete Structures and Materials

Table 2 Chemical compositions and physical properties of cement and pozzolanic admixtures.

From: Mechanical Behavior of Recycled Fine Aggregate Concrete with High Slump Property in Normal- and High-Strength

 

Ordinary Portland cement (OPC)

Fly ash (FA)

Ground granulated blast-furnace slag (GGBS)

Chemical composition (%)

 Al2O3

5.77

15.14

21.22

 CaO

61.43

39.48

11.49

 Fe2O3

3.36

0.91

6.57

 K2O

1.02

0

0.71

 MgO

2.38

5.96

1.64

 SiO2

21.62

34.25

52.09

 SO3

2.10

3.51

1.44

 Al2O3

5.77

15.14

21.22

Specific surface area (m2/kg)

362

352

408

Density

3.15

2.90

2.18

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