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1. CIVIL ENGINEERING DEPARTMENT.
RECOMMENDED MIX PROPORTIONS FOR CONCRETE M30
RESULTS OF TESTS ON AGGREGATES
Sr.No. DESCRITION COUURSE AGGREGATE FINE AGGREGATE
1.
SENDER'S IDENTIFICATION
Metal Sand
2.
GENERAL DESRIPTION
Basalt rock Natural sand
3.
PARTICLE SHAPE
Angular Rounded
4.
SURFACE TEXTURE
Rough Smooth
5.
COLOUR
Gray Gray
6.
PARTICLE SIZE DISTRIBUTION
GRADING OF PARTICLES
C.A F.A.
%RETAINED % FINER %RETAINED %FINER
80
40
20
10
8
4.75
2.36
1.18
0.6
0.3
0.15
PAN
7. FINENESSMODULUS 8.35 3.20
8. SILT CONTENT % BY VOLUME _ 7%

2. 9. SPECIFICGRAVITY 2.75 2.486 ~2.5
10. % WATER ABSORPTION 1.123% 5.48%
11. FREE SURFACEMOISTURE Nil. Nil.
12. BULK DENSITY(Kg/lit.)
A] LOOSE 1.45 Kg/lit 1.863 Kg/lit
B] COMPACTED 1.59 Kg/lit 1.943 Kg/lit
13. FLAKINESS INDEX 13.188 _
14. ELONGATIONINDEX _