304 r 89 - guide to measuring, mixing, transporting and placi

aci code

1. B

5. COARSE AGG.
FEED BELT

MINUS NO.4
TO WASTE

DOUBLE DECK
VIBRATING SCREEN

FINE AGG.
Soy Fe BELT

FINE 7 CA.
#2 Pi

BATCHER
SUPPLY BINS

7. TABLES.

10. A

11. 42.6 Continuous mixing equipment Mixing
accomplished by a spiral lado rotated at relatively

igh speed inside an enclosed trough inclined at 19
Lo 25 dog from the horizontal.

27. AVERAGE OF 2:1,5:58ND
1.9:10:45 CYLINDERS

3
Ie
E
E
|

COMPRESSIVE STRENGTH ~CYLINDERS MADE
IN LABORATORY

COMPRESSIVE STRENGTH - TEST CORES

NOTE: MIX RANOS ARE CEMENT:
Fly ASH: FINE AGGREGATE,

Ô 7 14 21 28 35 42 49 56 63 70 77 84 90
AGE OF CYLINDERS, DAYS
results, tld and ab made cyinders vs. cores

34. Recommended
gradation

E
&

o
m 635 05% 0297 0149
Number — U4-in. 30 50 100
Screen size

43. ‘TABLE 11.3.2—TYPICAL PROPORTIONS FOR NUCLEAR SHIELDING
CONCRETE CONVENTIONALLY MIXED AND PLACED