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 PARTICLESC.A F.A.

%RETAINED % FINER %RETAINED %FINER

80

40

20

10

8

4.75

2.36

1.18

0.6

0.3

0.15PAN

7. FINENESS MODULUS 8.35 3.20

8. SILT CONTENT % BY VOLUME _ 7%

9. SPECIFIC GRAVITY 2.75 2.486 ~2.5

10. % WATER ABSORPTION 1.123% 5.48%

11. FREE SURFACE MOISTURE 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. ELONGATION INDEX _