Table 1 Chemical analysis of barite, slag, cement, and silica fume used (mass %).

From: Influence of post-fire recuring regimes on the properties of self-compacting concrete with heavyweight aggregate

Chemical constituent

Barite aggregate (%)

GGBFS (%)

Silica fume (%)

Cement (%)

Al2O3

1.2

8.50

0.21

4.43

Fe2O3

2.1

0.24

-

2.60

SiO2

0.1

37.20

97.10

19.10

CaO

0.04

38.90

0.5

63.80

TiO2

0.02

0.30

-

0.25

MnO

-

0.51

-

0.19

K2O

-

0.36

-

0.53

MgO

0.06

10.20

0.4

2.39

Na2O

0.31

0.46

-

0.41

P2O5

 

0.02

-

0.09

Cl− 1

0.08

0.03

-

0.09

SO3

28.2

3.01

-

3.49

SrO

-

0.06

-

0.02

BaO

65.9

0.08

-

0.03

P2O5

0.06

-

-

-

Loss by Annealing

1.2

0.36

-

2.31