Fineness of Portland Cement by Air Permeability Apparatus

 Bulk volume of compacted cement bed

ROOM TEMPERATURE:
oC

Test No. Wt. Cement (g) Wa(g) Wb(g) Bulk volume (cu.cm.)
1

2

3

Average bulk volume:
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Time interval of the standard sample

ROOM TEMPERATURE:
oC

Test No. Wt. Cement (g) Time interval (sec.)
1

2

3

Average Time interval, Ts :
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Fineness of Cement

Sample Type:
Specific gravity:            
Ss(sq.cm./g): 
 
 
Ts(sq.cm./g):           
Weight of Sample (g):
 
Temperature:  
oC
Test No. Time interval, T (sec.) Fineness, S (sq.cm./g)
1

2

3

Average Fineness, S (sq.cm./g):