Table 1 Properties of cement.

From: RETRACTED ARTICLE: Performance of sustainable self-compacting fiber reinforced concrete with substitution of marble waste (MW) and coconut fibers (CFs)

Chemical composition

Outcomes (%)

Physical property

Outcomes

CaO

64.7

Size

 ≤ 75µ

SiO2

22.9

Fineness

92%

Al2O3

4.4

Normal consistency

31%

Fe2O3

3.0

Initial stetting time

33 min

MgO

1.5

Final stetting time

410 min

SO3

1.9

Specific surface

322 m2/kg

K2O

1.4

Soundness

1.70%

Na2O

0.2

Compressive strength

42Mpa at 28 days

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