OBJECT: TO DETERMINE THE SLUMP AND COMPACTION
FACTOR OF CONCRETE MIX (RATIO 1:2:4)
APPARATUS: SLUMP CONE AND BASE, COMPACTION FACTOR
APPARATUS, TEMPING ROD, GLASS JAR 1000CC &100CC, TROWEL BUCKET, PLATEFORM,
BALANCE ETC.
OBSERVATIONS: -
WEIGHT OF CEMENT=
WEIGHT OF FINE AGGREGATE-
WEIGHT OF COARSE AGGREGATE-
WATER/CEMENT RATIO- 0.5
Plasticizer-0.5% of cement weight
SLUMP TEST
|
Mix |
Height of Slump Cone (in cms.) |
Height of concrete (in cms.) |
Slump (in cms.) |
|
A |
|
|
|
|
B |
|
|
|
|
C |
|
|
|
COMPACTION FACTOR
TEST
Weight of empty cylinder =
Weight of cylinder + Water =
|
Mix |
Weight
of cylinder + Concrete |
Weight
of Concrete actual |
Weight
of Concrete Theoretical |
Compaction
factor |
|
A |
|
|
|
|
|
B |
|
|
|
|
|
C |
|
|
|
|
PROCEDURE: -
1. Prepare the mix in 1:2:4 ratio by
weight. First mix cement, F.A., C.A. dry then add water and mix thoroughly.
2. Fill slump cone with this concrete in
three layers upto top level and compact each layer by temping rod giving 25
blows for each layer.
3. After slump test put this concrete in
top hopper of C.F. apparatus. 4. For calculating the theoretical weight of
concrete (fully compacted) the respective densities of cement, F.A., C.A. may
be taken as obtain earlier.
RESULTS:-
DISCUSSION:-
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