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Manufactured Sand and Aggregate
Alternate for River Sand

 

This sand is manufactured according to the specifications of ISI2116-1980-2.0 and IS: 486:2000 and IS: 383:1970.

 

The particle shape is semi rounded or cubical and not flaky or elongated.

 

The percentage of dust is strictly controlled

 

Manufactured Sand [ Brand Name : CHETAK

 

Contains no organic Impurities, hence it gives increased strength of Concrete with same cement content.

 

Gradation of sand is controlled in the manufacturing process; hence mix design can be accurately used due to consistent gradation.

 

No wastage since Sand is already sieved in the required size (below 4.75 mm).

 

Consistency in supply as well as stability in prices helps in controlling the project cost.

 

Does not harm the environment in any way

 

 

Technical Specification

Conforms to

IS : 456 & 383 : 1970

Sizing

Below 4.75 mm
Minus 150 Microns dust up to 10 - 15%

Silt & organic Matter

NIL. Made of 100% Natural Stone

 

 

 

SEIVE ANALYSIS OF FINE AGGREGATE

 

 

SEIVE SIZE

WEIGHT RETAINED (gm)

% WEIGHT RETAINED

CUMMULATIVE % WEIGHT RETAINED

% PASSING

4.75mm

0.00

0.00

0.00

100.00

2.36mm

70.0

7.0

7.0

93.00

1.18 mm

275.00

27.50

34.50

65.50

600 mic

160.00

16.00

50.00

49.50

300 mic

265.00

26.50

77.00

23.00

150 mic

160.00

16.00

93.00

7.00

Residue

70.00

7.00

100.00

0.00

 

Weight of Sample taken = 1000gms

SEIVE ANALYSIS OF COARSE AGGREGATE

 

Seive Size

Weight Retained (gm)

% Weight Retained

Cumulative % Weight Retained

% Passing

25 mm

0.00

0.00

0.00

100.00

20mm

0.00

0.00

0.00

100.00

10 mm

1195

59.75

59.75

40.25

4,75 mm

620

31.00

90.75

9.25

 

 

 

DETAILS OF FINAL MIX PROPOSRTION

 

Grade of Mix

M20

Recommended Mix Proportion by weight

[ Cement: Fine Aggregate: Coarse Aggregate]

 

1:1.86:3.54

Ratio of Coarse Aggregate

3:2

Cement Content in Kg/m3

330

Water – Cement Ratio

0.58

Slump of Mix in mm

~50

Average 7 days Cube Compressive Strength in N/mm2

18.50

Expected 28 Days Cube Compressive Strength in N/mm2

27.75

Material Required for 50 Kg of Cement

(Proportion by weight)

 

20mm Coarse Aggregate in Kg

10 mm Coarse Aggregate in Kg

Fine Aggregate in Kg

Water in Kg

 

 

 

106.20

70.80

93.00

29.00

 

 

NOTE: The test and Mix design were conducted strictly as per procedure given in current Indian Standard Specification.

Any Changes in material characteristics as well as in mixing, batching, and curing method are likely to alter the mix properties.

Production and control of concrete should be strictly in accordance with Indian Standard Code of practice for plain and reinforced concrete.

 

 

Quality Assurance

Cube testing for every 5000 MT Production

Strict Sizing control by controlling the machine's parameters

Field trials are taken at customers site once a Month or as requested as a part of after sales service

 

Please note that our crushers are located in INDIA.

For More details please contact Mr.Raghu.R.Naik on email at naik13@gmail.com