DBM With Filler

7/27/2019 DBM With Filler

1/8

No. Date:

To,

The Executve Engineer,

Subject: MIX DESIGN FOR DBM

Reference: Your Letter No. datedName of Work

enera n orma on:1. Location of Plant:

2. Source of Grit:

3. Type of Bitumen: 80-100

4. Grade of SDBC II

5. Size of Grit supplied: (a) 22.4 mm,(b) 11.2mm, (c) 6.7mm, (d) Dust ( E ) Filler)

6. Date of test of samples

(B) Gradation of different size of Grit:

Sieves

mm 22.4 mm 11.2mm 6.7mm Dust

37.6 100 100 100 100 100 100 100.026.5 81.5 100 100 100 90 100 95.0

19 51.0 100 100 100 71 95 83.0

13.2 0.8 86.4 100 100 56 80 68.0

4.75 0.0 20.4 80 100 38 54 46.0

2.36 0.0 0.4 55 96 28 42 35.0

300 U 0.0 0 18 35.5 7 21 14.0

75 U 0.0 0 5.2 9.5 2 8 5.0

(C) Mix suggested to be used:

( a ) 22.4mm 28.5 %

( b ) 11.2mm 21.9 %

( c ) 6.7mm 23.8 %

( d ) Dust 19 %( e) Filler 1.9 %

( f ) Bitumen 5 %

Total 100 %

Sive Size mm 37.6 26.5 19 13.2 4.75 2.36 0.3 0.08

% Passing 100 94.45 85.3 67.112 46.692 35 13.6 5.2

Requrement 100 90-100 71-95 56-80 38-54 28-42 7-21 2-8

(E) Mix Design:

1. Marshal Stability: Kg 1230

2. Marshal Flow: mm 3.5

3. % Air voids : 4.5

4. Minimum Voids in Miniral Aggregate(VMA): 15.6

5. % Voids in miniral gg. Filled by Bitumen (VFB): 71.4

6. Marshal Density: gm/cc 2.22

7. Binder Content: ( % ) 5

REGIONAL LABORATORY P.W.D. ZONE KOTA

% Passing Lower

LimitUpper Limit A.V.


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DBM 25 mm Date of test 29.9.2004 Job No. 146

(I) Gradation of Aggregate (II) % Passing of different fraction Grade 2

(A) Grit 22.4 mm Weight taken:10 Kg

Sieves Weight Comm. % % Sieves

mm retained retained retained Passing mm 22.4 11.2 6.7 Dust Filler

37.6 0 0 0.0 100 37.6 100 100 100 100 100 100 100

26.5 1850 1850 18.5 81.50 26.5 81.5 100 100 100 100 90 100

19 3050 4900 49.0 51.00 19 51 100 100 100 100 71 95

13.2 5020 9920 99.2 0.80 13.2 0.8 86.4 100 100 100 56 804.75 80 10000 100.0 0.00 4.75 0 20.4 80 100 100 38 54

2.36 0 10000 100.0 0.00 2.36 0 0.4 55 96 100 28 42

300 U 0 10000 100.0 0.00 300 U 0 0 18 36 100 7 21

75 U 0 10000 100.0 0.00 75 U 0 0 5.2 9.5 100 2 8

(B) Grit11.2mm Weight taken: 5 Kg Mix I

Sieves Weight Comm. % % Sieves mm 22.4 11.2 6.7 Dust Filler

mm retained retained retained Passing % fraction 30 23 25 20 2

37.6 0 0 0.0 100 37.6 30 23 25 20 2 100.0 100.0

26.5 0 0 0.0 100.00 26.5 24.5 23 25 20 2 94.5 95.0

19 0 0 0.0 100.00 19 15.3 23 25 20 2 85.3 83.0

13.2 680 680 13.6 86.40 13.2 0.24 19.9 25 20 2 67.1 68.0

4.75 3300 3980 79.6 20.40 4.75 0 4.69 20 20 2 46.7 46.0

2.36 1000 4980 99.6 0.40 2.36 0 0.09 13.8 19 2 35.0 35.0300 U 20 5000 100.0 0.00 300 U 0 0 4.5 7.1 2 13.6 14.0

75 U 0 5000 100.0 0.00 75 U 0 0 1.3 1.9 2 5.2 5.0

(C) 6.7 mm grit Weight taken: 5 Kg Mix II

Sieves Weight Comm. % % Sieves mm 22.4 11.2 6.7 Dust Filler

mm retained retained retained Passing % fraction 30 25 25 20 0

37.6 0 0 0 100 37.6 30 25 25 20 0 100.0 100

26.5 0 0 0 100 26.5 24.5 25 25 20 0 94.5 95

19 0 0 0 100 19 15.3 25 25 20 0 85.3 83

13.2 0 0 0 100 13.2 0.24 21.6 25 20 0 66.8 68

4.75 1000 1000 20 80 4.75 0 5.1 20 20 0 45.1 46

2.36 1250 2250 45 55 2.36 0 0.1 13.8 19 0 33.1 35

300 U 1850 4100 82 18 300 U 0 0 4.5 7.1 0 11.6 14

75 U 640 4740 94.8 5.2 75 U 0 0 1.3 1.9 0 3.2 5

(D) Crusher Dust Weight : 5 Kg

Sieves Weight Comm. % % Sieves

mm retained retained retained Passing mm I II III AV.

37.6 0 0 0 100 37.6 100.0 100.0 100 100 100

26.5 0 0 0 100 26.5 94.5 94.5 95 90 100

19 0 0 0 100 19 85.3 85.3 83 71 95

13.2 0 0 0 100 13.2 67.1 66.8 68 56 80

4.75 0 0 0 100 4.75 46.7 45.1 46 38 54

2.36 40 40 4 96 2.36 35.0 33.1 35 28 42

300 U 605 645 64.5 35.5 300 U 13.6 11.6 14 7 21

75 U 260 905 90.5 9.5 75 U 5.2 3.2 5 2 8

Mix I selected

% Composition in Mix of Aggregates

( a ) 22.4mm 30 % ( a ) 22.4mm 28.5 %

( b ) 11.2mm 23 % ( b ) 11.2mm 21.9 %

( c ) 6.7mm 25 % ( c ) 6.7mm 23.8 %

( d ) Dust 20 % ( d ) Dust 19 %

( e) Filler 2 % ( e) Filler 1.9 %

( f ) Bitumen 5 % ( f ) Bitumen 5 %

Aggregate 95 % Total 100 %

Lowe

r

Uppe

r

MARSHAL STABILITY TEST

% Passing

% Passing

Lower

Limit

Upper

Limit

A.V.

A.V.


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0

20

40

60

80

100

120

1 10

%passing

Sieve Size

BC - Gradation Chart


4/8

%

22.4mm 30

11.2mm 23

6.7mm 25

Dust 20

Filler 2

Total 100

22.4 11.2 6.7 Dust Filler 22.4 11.2 6.7 Dust Filler 1/4 1/2 5/8 3/4 V 1/4 V 1/2

30 23 25 20 2

37.6 100.00 100.00 100.00 100.00 100.00 30.00 23.00 25.00 20.00 2.00 100.00 100 100 Yes 100 100 100 100 0.00 0.0

26.5 81.50 100.00 100.00 100.00 100.00 24.45 23.00 25.00 20.00 2.00 94.45 90 100 Yes 92.5 95 96.3 97.5 1.95 0.5

19 51.00 100.00 100.00 100.00 100.00 15.30 23.00 25.00 20.00 2.00 85.30 71 95 Yes 77 83 86 89 8.30 2.3

13.2 0.80 86.40 100.00 100.00 100.00 0.24 19.87 25.00 20.00 2.00 67.11 56 80 Yes 62 68 71 74 5.11 0.8

4.75 0.00 20.40 80.00 100.00 100.00 0.00 4.69 20.00 20.00 2.00 46.69 38 54 Yes 42 46 48 50 4.69 0.6

2.36 0.00 0.40 55.00 96.00 100.00 0.00 0.09 13.75 19.20 2.00 35.04 28 42 Yes 31.5 35 36.8 38.5 3.54 0.0

300 U 0.00 0.00 18.00 35.50 100.00 0.00 0.00 4.50 7.10 2.00 13.60 7 21 Yes 10.5 14 15.8 17.5 3.10 0.4

75 U 0.00 0.00 5.20 9.50 100.00 0.00 0.00 1.30 1.90 2.00 5.20 2 8 Yes 3.5 5 5.75 6.526.70 4.8

0.25 0.5

Blending PercentagesIndividual GradationsSieve

Size

D.B.M.. Mix is of:

Variation Chang

Sum of variation

D.B.M. Grade 2 . MIX Design - Blending Sheet

JMFLower

Limit

Upper

Limit

Fitting

In


5/8

I II II

1 Weight of Marshal Mould prepared with Bitumen Mix (Gms) 1200 1195 1200

2 Weight of Marshal Mould prepared with Wax in air(Gms) 1250 1245 1248

3 Weight of Marshal Mould with wax in water (Gms) 710 705 710

4 Volume of Mould in C.C. 540 540 538

5 Marshal Density gm/cc 2.22 2.21 2.236 Average Marshal Density gm.cc 2.22

1 Test Specimen I

2 % Binder Content 5

3 % Aggregate 95

4 Specific Gravity ofMix Aggregate 2.5

5 Density of the Mix 2.22

a % Vas = % Binder x Density / 1 11.1

b % Vag = % Aggregate x Density / Sp.Gravity 84.4

c % Voids in mineral Aggregate ( VMA) (100-b) 15.6 15-16

d Air Voids in mineral Aggregate (c-a) 4.5 3-6e % Voids in mineral Aggregate filled with Bitumen a/c*100 71.4 65-75

f Theortical Density of Mix gm/cc

g Marshal Density 2.22

h Marshal Stability (Kg.) 1323

i Temperature of Pavement

j Correction Factor 0.93

k Real Marshal Stability ( h x j ) 1230

l Marshal Flow 3.5

1. Location of Plant:

2. Source of Grit:

3. Type of Bitumen: 80-100

(A) Marshal Density Test ( SDBC)

(B) MIX DESIGN FOR SDBC


6/8

1

2

3

4

Dont work in this cell (No input is required)

Fill the cell with the data (Input is required)

The input data is Wrong (Dont input anything in this cell - Its a queary cell)

The input data is Right


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8/8

STABILITY CORRECTIONS

Range (Volume) Co.Fact. Range (Volume) Co.Fact.

mm mm Stability mm mm Stability

444 456 1.25 523 535 0.96

457 470 1.19 536.00 546 0.93471 482 1.14 547 559 0.89

483 495 1.09 560 573 0.86

496 508 1.04 574 585 0.83

508 522 1

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DBM With Filler