SDBC Without Filler

7/27/2019 SDBC Without Filler

1/9

No. Date:

To,

The Superintending Engineer,

P.W.D. NH, Circle

Jodhpur

Name of work: Strengthening with paved solders in Km 129/500 to km 140 /0 and 153/0 to 176/500

on NH 114 Jodhpur Pokaran rdReference: Your Letter No. 453 dated 1.5.12Type of work: S.D.B.C. 25 mm Job No. 3

(A) General Information:

1. Location of Plant: Not mentioned

2. Source of Grit: Not mentioned

3. Type of Bitumen: 60-70

5. Size of Grit supplied: (a) 10 mm, (b) 6 mm, (c) Dust

6. Date of test 21.5.12

(B) Gradation of different size of Grit:

Sieve Standard Value

size 10 mm 6 mm Dust Average Grade II

13.2 100 100 100 100.0 100

9.5 48.1 100 100 95.0 90-100

4.75 1.3 43.1 100 43.0 35-51

2.36 0.2 29.3 99 31.5 24-39

1.18 0.2 3.65 77.4 22.5 15-30

300 0.00 1 42.4 14.0 9-19

75 0.00 0.4 15 5.5 3-8

(C) Mix suggested to be used:(C) Over all Mix suggested to be used: (C) Mix of coarse aggragate to be used:

( a ) 10 mm 14.3 % 10 mm 15 %

( b ) 6 mm 61.75 % 6 mm 65 %

( c ) Dust 19 % Dust 20 %

(e ) Bitumen 5 % %

Total 100 % 100 %

(D) Gradation of Mix:

Sive Size 13.2 mm 9.5 mm 4.75 mm 2.36 mm 1.18 mm 300 U 75 U

% Passing 100 92.2 48.2 38.9 17.9 9.1 3.3

Requrement 100 90-100 35-51 24-39 15-30 9-19 3-8

(E) Mix Design:1. Marshal Stability: Kg 1081

2. Marshal Flow: mm 3

3. % Air voids : 3.9

4. Minimum Voids in Miniral Aggregate(VMA): 155. % Voids in miniral gg. Filled by Bitumen (VFB): 74.2

6. Marshal Density: gm/cc 2.24

7. Binder Content: % 5

Testing Officer,

Regional Laboratory,

P.W.D. Zone Jodhpur

REGIONAL LABORATORY P.W.D. ZONE JODHPUR

% Passing


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SDBC 25 mm for Date of test 14.6.13 Job No. 3

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

(A) Grit 10mm Weight taken: 5 Kg

Sieves Weight Comm. % % Sieves Std.Value

mm retained retained retained Passing mm 11.2 6.7 Dust Filler AV. GrII

13.2 0 0 0.0 100 13.2 100 100 100 100 100.0 100

9.5 2596 2596 51.9 48.08 9.5 48.1 100 100 100 95.0 90-100

4.75 2338 4934 98.7 1.32 4.75 1.32 43.1 100 100 43.0 35-51

2.36 57 4991 99.8 0.18 2.36 0.18 29.3 99 100 31.5 24-39

1.18 0 4991 99.8 0.18 1.18 0.18 3.65 77.4 100 22.5 15-30300 9 5000 100.0 0.00 300 0 1 42.4 100 14.0 9-19

75 0 5000 100.0 0.00 75 0 0.4 15 100 5.5 3-8

(B) Grit 6.3 mm Weight taken: 5 Kg Mix I

Sieves Weight Comm. % % Sieves mm 11.2 6.7 Dust Filler Total Req.

mm retained retained retained Passing % fraction 15 65 20 0 100.0 AV.

13.2 0 0 0 100 13.2 15 65 20 0 100.0 100.0

9.5 0 0 0 100.0 9.5 7.21 65 20 0 92.2 95.0

4.75 1138 1138 56.9 43.1 4.75 0.2 28 20 0 48.2 43.0

2.36 276 1414 70.7 29.3 2.36 0.03 19 19.8 0 38.9 31.5

1.18 513 1927 96.35 3.6 1.18 0.03 2.37 15.5 0 17.9 22.5

300 53 1980 99 1.0 300 0 0.65 8.48 0 9.1 14.0

75 12 1992 99.6 0.4 75 0 0.26 3 0 3.3 5.5

(C) Crusher Dust Weight taken: 1 Kg Mix IISieves Weight Comm. % % Sieves mm 11.2 6.7 Dust Filler Total Req.

mm retained retained retained Passing % fraction 15 60 25 0 100.0 AV.

13.2 0 0 0 100 13.2 15 60 25 0 100.0 100.0

9.5 0 0 0 100 9.5 7.21 60 25 0 92.2 95.0

4.75 0 0 0 100 4.75 0.2 25.9 25 0 51.1 43.0

2.36 5 5 1 99 2.36 0.03 17.6 24.8 0 42.4 31.5

1.18 108 113 22.6 77.4 1.18 0.03 2.19 19.4 0 21.6 22.5

300 175 288 57.6 42.4 300 0 0.6 10.6 0 11.2 14.0

75 137 425 85 15 75 0 0.24 3.75 0 4.0 5.5

Mix III

(D) Gradation of Mix Weight : 5 Kg Sieves mm 11.2 6.7 Dust Filler Total Req.

Sieves Weight Comm. % % % fraction 20 65 15 0 100 AV.

mm retained retained retained Passing 13.2 20 65 15 0 100 100.013.2 0 0 0.0 100.0 9.5 9.62 65 15 0 89.6 95.0

9.5 389 389 7.8 92.2 4.75 0.26 28 15 0 43.3 43.0

4.75 2200 2589 51.8 48.2 2.36 0.04 19 14.9 0 33.9 31.5

2.36 467 3056 61.1 38.9 1.18 0.04 2.37 11.6 0 14.0 22.5

1.18 1050 4106 82.1 17.9 300 0 0.65 6.36 0 7.0 14.0

300 437 4544 90.9 9.1 75 0 0.26 2.25 0 2.5 5.5

75 294 4837 96.7 3.3

Sieves Std.Value

% Composition in Mix of Aggregates mm I II III AV. GrII

( a ) 10 mm 15 % 13.2 100.0 100.0 100.0 100.0 100

( b ) 6 mm 65 % 9.5 92.2 92.2 89.6 95.0 90-100

( c ) Dust 20 % 4.75 48.2 51.1 43.3 43.0 35-51( d ) Filler 0 % 2.36 38.9 42.4 33.9 31.5 24-39

Thus (e ) Bitumen 5 % 1.18 17.9 21.6 14.0 22.5 15-32

Total 95 % 300 9.1 11.2 7.0 14.0 9-19

% Composition in Mix 75 3.3 4.0 2.5 5.5 3-8

( a ) 10 mm 14.3 %

( b ) 6 mm 61.8 % Mix I selected

( c ) Dust 19.0 %

( d ) Filler 0.0 %

(e ) Bitumen 5 %

Total 100 %

MARSHAL STABILITY TEST

% Passing

% Passing


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0

20

40

60

80

100

120

0.01 0.1 1 10 100

%passing

Sieve Size

BC - Gradation Chart


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%

10 mm 15

6 mm 65

Dust 20

Filler 0

Total 100

10 6 Dust Filler 11.2 6.7 Dust Filler 1/4 1/2 5/8 3/4 V 1/4 V 1/2

15 65 20 0 0

13.2 100.00 100.00 100.00 100.00 15.00 65.00 20.00 0.00 0.00 100.00 100 100 Yes 100 100 100 100 0.00 0.0

9.5 48.08 100.00 100.00 100.00 7.21 65.00 20.00 0.00 0.00 92.21 90 100 Yes 92.5 95 96.3 97.5 0.29 2.7

4.75 1.32 43.10 100.00 100.00 0.20 28.02 20.00 0.00 0.00 48.21 35 51 Yes 39 43 45 47 9.21 5.2

2.36 0.18 29.30 99.00 100.00 0.03 19.05 19.80 0.00 0.00 38.87 24 39 Yes 27.8 31.5 33.4 35.3 11.12 7.3

1.18 0.18 3.65 77.40 100.00 0.03 2.37 15.48 0.00 0.00 17.88 15 30 Yes 18.8 22.5 24.4 26.3 0.87 4.6

0.3 0.00 1.00 42.40 100.00 0.00 0.65 8.48 0.00 0.00 9.13 9 19 Yes 11.5 14 15.3 16.5 2.37 4.8

0.075 0.00 0.40 15.00 100.00 0.00 0.26 3.00 0.00 0.00 3.26 3 8 Yes 4.25 5.5 6.13 6.75 0.99 2.2

24.85 27.1

0.25 0.5

Sieve

Size

S.D.B.C. Mix is of:

Variation Chang

Sum of variation

S.D.B.C. MIX Design - Blending Sheet

JMFLower

Limit

Upper

Limit

Fitting

In

Blending PercentagesIndividual Gradations


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I II II

1 Weight of Marshal Mould prepared with Bitumen Mix (Gms) 1150 1200 1190

2 Wt.of Marshal Mould prepared with wax and Bitumen Mix (G 1170.0 1223 1215

3 Weight of wax 20.0 23.0 25.0

4 Weight of Marshal Mould with wax in water (Gms) 635 665 658

5Volume of Mould in C.C. 515.0 535.0 532.06 Marshal Density gm/cc 2.23 2.24 2.24

7Average Marshal Density gm.cc

1 Test Specimen I

2 % Binder Content 5

3 % Aggregate 95

4 Specific Gravity of Mix Aggregate 2.50

5 Density of the Mix 2.24

a % Vas = % Binder x Density / 1 11.2

b % Vag = % Aggregate x Density / Sp.Gravity 84.9

c % Voids in mineral Aggregate ( VMA) (100-b) 15 15.0 Maxd Air Voids in mineral Aggregate (c-a) 3.9 3-5 %

e % Voids in mineral Aggregate filled with Bitumen a/c*100 74.2 65-78 %

f Theortical Density of Mix gm/cc

g Marshal Stability (Kg.) 1126

h Correction Factor 0.96

i Real Marshal Stability ( h x j ) 1081

j Marshal Flow 3

Date of test 14.6.13

Location of Plant Not mentioned

Source of Grit Not mentioned

Type of Bitumen 60-70

(A) Marshal Density Test ( SDBC)

(B) MIX DESIGN FOR SDBC

2.24


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527


7/9

1

2

3

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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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SDBC Without Filler