determination of particle size distribution of FA (dry sieve analysis)

is sieve

size

mass

retained

percentage

of mass

retained

cumulative

percentage

of mass

retained

percentage

finer

4.75 30 3.0 3.0 97.0

2.36 40 4.0 7.0 93.0

1.18 130 13.0 20.0 80.0

600 240 24.0 44.0 56.0

300 385 38.5 82.5 17.5

150 175 17.5 100.0 0.0

256.5

fineness modulus of FA 2.565

0.15 0

0.3 17.5

0.6 56

1.18 80

2.36 93

4.75 97

strength of materials laboratory work

0.15, 0

0.3, 17.5

0.6, 56

0

20

40

60

80

100

120

0 1

pe

rcen

tag

e d

ine

r

PARTICLE SIZE DISTRIBUTION CURVE

0.3, 17.5

0.6, 56

1.18, 80

2.36, 93 4.75, 97

1 2 3 4 5

particle size

PARTICLE SIZE DISTRIBUTION CURVE

determination of percentage of water absorption of coarse aggregate

oven dry weight of CA w1 (g) 5000

wet weight of CA w2 (g) 5030

percentage of water absorption by CA 0.60

strength of materials laboratory work

FA CA1

weight of empty bottle w1 (g) 455 455

weight of empty bottle + FA w2 (g) 1250 1305

weight of empty botle + FA + water w3 (g) 1755 1810

weight of empty bottle + water w4 (g) 1260 1260

specific gravity SG 2.65 2.833333

2.833

specific gravity of cement 3.15

strength of materials laboratory work

determination of specifiv gravity of solids / fine aggregate and coarse aggrwegate by pyconometer method

CA2

470

1300

1810

1260

2.964286

2.964

2.8985

strength of materials laboratory work

determination of specifiv gravity of solids / fine aggregate and coarse aggrwegate by pyconometer method

A Design Stipulations

1 Charecteristic compressive strength M20

2 Degree of workability Medium

3 Slump (mm) 50 to 100

4 Degree of quality control Good

5 Type of exposure Mild

B Test Data for materials

(i) Specific Gravity of cement 3.15

(ii) Specific Gravity of coarse aggregate 2.64

(iii) Specific Gravity of Fine aggregate 2.59

(iv) Water absorption of Coarse aggregate 0.60%

(v) Water absorption of Fine aggregate 0%

(vi) Free moisture (surface) Coarse aggregate 0%

(vii) Free moisture (surface) Fine aggregate 2.00%

(viii) Sieve analysis (Fine aggregate) Zone II

(ix) Size of the aggregate(mm) 20

Fine aggregate fraction in total aggregate 0.35

C Target mean strength of concrete 26.6 Mpa

D Selection of water cement ratio 0.500

Initial water content 175 lit/m3

E Calculation of cement content 350.00 Kg/m3

F Determination of fine & coarse aggregate

Fine aggregate ( Kg/m3) 629.0 Kg/m3

coarse aggregate ( Kg/m3) 1190.7 Kg/m3

Result of mix design (kg Per Cu.m)

Six Cubes

Cement content = 350.00 8.15 Kg

Fine aggregate = 629.00 14.65 Kg

Coarse aggregate = 1191.00 27.74 Kg

water content = 175.00 4.08 Kg

Water cement ratio = 0.50 0.44

Ratio = 1:1.8:3.4

CONCRETE MIX DESIGN - IS METHOD

SOURCE DATA

M15 10mm Very Low 0 to 25 Zone I M10 3.5 10 Comp Strength

M20 12mm Low 25 to 50 Zone II M15 3.5 15 51

M25 20mm Medium 50 to 100 Zone III M20 4 20 43.5

M30 40mm High 100 to 180 M25 4 25 36.5

M35 M30 4 30 31

M40 M35 4 35 27

M45 M40 5 40 23

M50 M45 5 45 18

M50 5 50

W/C ratio size of agg Water(kg) Sand percententrapped air

0.3 10 200 40 3

0.35 20 186 35 2

0.4 40 165 30 1

0.45

0.5 0.505

0.55 FALSE

0.6

0.505

TRIAL MIX 1

CASTED

Cement content = 418 9.734175 Kg

Fine aggregate = 613 14.27524 Kg

Coarse aggregate = 1242 28.92308 Kg

water content = 186 4.331475 Kg

Water cement ratio = 0.444545 0.44

Ratio = 1:1.47:2.97

TRIAL MIX 2

CASTED ON 03.04.07 TUESDAY

Cement content = 382 8.895825 Kg

Fine aggregate = 639 14.88071 Kg

Coarse aggregate = 1294 30.13403 Kg

water content = 170 3.958875 Kg

Water cement ratio = 0.444545 0.44

Ratio = 1:1.67:3.38