Skip to main content
International Journal of Concrete Structures and Materials

Table 1 Physical and chemical specifications of the cement and silica fume

From: Eco-friendly High-Strength Refractory Concrete Containing Calcium Alumina Cement by Reusing Granite Waste as Aggregate

Component

Cement

Silica fume (SF)

CaO

40–36

1.5

SiO2

8–3

90–95

C

–

0.8–3

Al2O3

42–36

1

Fe2O3

2–3.5

2

MgO

1

2

K2O

–

0.2–0.5

SO3

–

–

H2O

 

0.01–0.4

TiO2

 < 0.5

 

Total alkali

–

–

Specific surface area (m2/kg)

–

15,000–30,000

Unit volume weight (kg/m2)

-

310–350

Back to article page