CALCULATION OF TEMPERATURE CONTROL OF CONCRETE NO.
1
MATERIALS
TEMPERATURE DEG.CENT.
AGGREGATES
A)
SAND
16.4
B)
3/8''
9.6
C)
3/4''
19.0
D)
1/2''
0.0
AVERAGE AND TOTAL
2
45
CEMENT
60
MICRO-SILICA
0
AVERAGE AND TOTAL
3
MIXING WATER
4
WATER ON AGGREGATES
5
ICE
60 7
KILOGRAMS 33.02
31
CONCRETE TEMPERATURE :
CALCULATION : WHERETa : = Tc = Tw = Wa = Wc = Wwa = Wi =
TEMPERATURE OF AGGREGATES TEMPERATURE OF AGGREGATES TEMPERATURE OF AGGREGATES WEIGHT OF AGGREGATES WEIGHT OF CEMENT WEIGHT OF WATER ON AGGREGATES WEIGHT OF ICE NEEDED
TEMP. = 0.22 (Ta Wa + Tc Wc ) + 0.22 ( Wa + Wc ) + Ww + Wi + Wwa
( Ww - Ww ) Tw + Wwa Ta - 79.6Wi 0.22 ( Wa + Wc ) + Ww + Wi + Wwa
SPECIFIED FRESH CONCRETE TEMPERATURE :
ATURE CONTROL
QUANTITY OF EACH MA
WEIGHT
(KG/M3) TEMP.
677
784
0
3/4''
1/2''
45
0
19.0
0.0
395 MIXING WATER 784
TEMP.
LITERS
0
6
160
1856 400 0 400
TOTAL H2O
160
120
20
40 -2.02
DEGRE CENTIGRADE
Ww - Ww ) Tw + Wwa Ta - 79.6Wi .22 ( Wa + Wc ) + Ww + Wi + Wwa
DEG. CENT.
Y OF EACH MATERIALS IN 1CU.M.
TOTAL
395
677
AGGREGATES
3/8''
SAND
1856
45
45
60
0
9.6
16.4
60
0
WATER ON AGGREGATES (WATER CONTENT OF ALL AGGREGATES)
KILOGRAMS OR LITERS
20
CEMENT CONTENT
TOTAL
400
CONTENT
CEMENT
0 MICRO-SILICA
400