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Table 2 Main specifications of Portland cement.

From: Laboratory Investigation into the Flexural Behavior of Embedded Concrete Sleepers in Two-Stage Concrete with Preplaced Ballast Aggregate

 

Main chemical components (%)

 

C3S

C2S

C3A

C4AF

CaSO4

Al2O3

Fe2O3

MgO

L.O.I

I.R

 

51

25

12.2

7.2

2.6

5.6

3.7

2.6

1.2

0.3

 

Physical properties

Fineness (\(\mathrm{cm}^2/\mathrm{g}\))

Retained on sieve #70 (%)

Autoclave expansion (%)

Normal consistency (%)

Setting time (min)

Compressive strength (MPa)

Initial

Total

3 days

7 days

28 days

 

2528

10.95

0.56

25.1

175

245

15.6

23.6

43.1

References

ASTM C204 (2016)

ASTM C136/C136M (2014)

ASTM C151/C151M (2016)

ASTM C187 (2016)

ASTM C191 ( 2013a)

ASTM C109/C109M (2013)