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International Journal of Concrete Structures and Materials

Table 1 Chemical compositions of Portland cement type I and fly ash.

From: Utilization of Recycled Aggregate Concrete for Marine Site Based on 7-Year Field Monitoring

Chemical composition (%)

Sample

Portland cement type I

Fly ash

Silicon Dioxide, SiO2

21.52

36.02

Aluminum Oxide, Al2O3

3.56

20.58

Iron Oxide, Fe2O3

4.51

15.91

Calcium Oxide, CaO

66.70

18.75

Magnesium Oxide, MgO

1.06

-

Sodium Oxide, Na2O

0.12

0.69

Potassium oxide, K2O

0.24

1.69

Sulfur trioxide, SO3

2.11

2.24

Loss On Ignition, LOI

1.74

0.07

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