Table 1 Properties of ordinary Portland cement.

From: Experimental and machine learning prediction of compressive strength of chemically activated RHA based RAC using SHAP and PDP analysis

Chemical composition

SiO2

CaO

Al2O3

SO3

MgO

Fe2O3

K2O

Na2O

LOI

Values (%)

20.85

64.37

4.55

1.72

1.72

3.40

0.98

0.23

2.1

Physical properties

Specific gravity

Blain Finess (cm2 /gm)

Consistency (%)

Soundness (mm)

Values

3.14

3455

26.5

7

ASTM standards

C-204

C-187

C-189