Table 4 Chemical composition of ACBFS aggregates.

From: Mechanical properties and durability of concrete with recycled air-cooled blast furnace slag aggregates

Element name

Concentration percentage (%)

SiO2

35–40

Al2O3

7–10

CaO

35–45

MgO

7–14

FeO

0.2–0.8

S

1–2

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