SDBC Design Calculations

(1)

Contractor's Representative

Consultant's Representative

Selection of data for SDBC mix Design

I) Aggregates Physical Properyies Requirments As per MORTH Table 500-14

S.No. Test Description Test Method Test Results Remarks

1 Grain Size Analysis IS:2386 Part-1 0

2 Flakiness and Elongation Index (Combined) IS:2386 Part-1 23.5 Max 30%

3 Loss Angeles Abrasion Value* IS:2386 Part-4 21.6 Max 35%

4 Aggregate Impact Value* IS:2386 Part-4 18.9 Max 27%

5 Sodium Sulphate IS:2386 Part-5 Max 12%

6 Magnesium Sulphate IS:2386 Part-5 Max 18%

7 Water Absorption (Combined) IS:2386 Part-3 1.58 Max 2% 8 Coating & Stripping of Bitumenous Aggregate IS:6241 100

9 Water sensitivity** Retained Tensile Strength AASHTO T283** Min. 80%

II) Aggregate Grading & binder Content As per MORTH Table-500-15

1 Grading 2

2 Nominal aggregate size (in mm) 10

3 Layer Thickness (in mm) 25-30

4

IS Sieve in mm Cummulative % by Wt. of total aggregate Passing

Obtained As per Specification

13.2 100 100 9.5 99.9 90-100 4.75 40.0 35-51 2.36 30.9 24-39 1.18 22.6 15-30 0.3 11.3 9-19 0.08 4.7 3-8 5 4.8 Min. 5.0 6 _60/70 _{60 - 70} Specification Limits Max 5% passing 0.075mm sieve Min. retained coating 95%

* Aggreagate Satisfy requirments of both tests.

** The water sensityvity test is only required if the min. retained coating in the stripping test is less than 95%.

Bitumen Content %by mass of total mix

Bitumen Grade(pen)

(2)

III) Requirment for the mixure as per MORTH table 500-12 & 16

S.No. Description Obtained As per Specification

a 11.9 8.2

b Min. Flow (in mm)

3.3 2

c Max. Flow (in mm) 4

d Compaction Level (Number of blows)

e Per cent of Air voids 4.2 3-5

f Per cent voids in mineral aggregate (VMA) 14.7 14 Min (as per Table 500-12)

g per cent voids filled with bitumen (VFB) 71.8 65-78

IV) Permissible variation in job mix formula for Dense Graded bituminous Macadam as per MORTH Table 500-13

S.No. Description

Base/Binder Course

1 Aggregate passing 19mm sieve or Larger Plus or Minus 8%

2 Aggregate passing 13.2mm ,9.5mm Plus or Minus 7%

3 Aggregate passing 4.75mm Plus or Minus 6%

4 Aggregate passing 2.36mm,1.18mm,0.600mmm Plus or Minus 5%

5 Aggregate passing 0.300mm,0.015mm Plus or Minus 4%

6 Aggregate passing 0.075mm Plus or Minus 2%

7 Binder Content Plus or Minus 0.3%

8 Aggrgate Temparature 9 Binder/Asphalt Temparature 10 Mix of SDBC Temparature at Plant

V) Proportion & Specific Gravity , Water absorptions of Aggregate

S.No Description Proportion in %

3 Aggregate-2 (10mm to 6mm) 60 2.82 2.96 1.59

4 Aggregate-1 (less than 6mm) 40 2.78 2.910 1.55

Min. Stability (KN at 600_C)

75 on each of the two faces of

the specimen 75 on each of the two faces of the specimen

As per specification Requirment & Permissible variation in %

1630_{C - 10}0_C

1500_{C to 177}0_C%

Plus or Minus 100_C

Bulk Specific

(3)

Contractor's Representative

Consultant's Representative

1) PAVING MIXTURE DATA FOR SAMPLE CALCULATIONS

a) BULK SPECIFIC GRAVITY OF AGGREGATE

(For CA - AASHTO T 85 or ASTM C 127, For FA - AASHTO T 84 or ASTM C 128)

Gsb = P1+ P2+P3+………..Pn

G1+G2+G3+………..Gn

Gsb

= Bulk Specific Gravity

P1,P2,P3,P4,…

= Individual percentage by weight of aggregate

G1,G2,G3,G4,...

= individual bulk specific gravity of aggregate

Gsb = 60+40

2.823 2.784

=

2.807

b) APPARENT SPECIFIC GRAVITY OF AGGREGATE

Gsa = P1+ P2+P3+………..Pn

G1+G2+G3+………..Gn

Gsb

= Apparent Specific Gravity

P1,P2,P3,P4,…

= Individual percentage by weight of aggregate

G1,G2,G3,G4,...

= individual apparent specific gravity of aggregate

Gsa = 60+40

2.956 2.910

=

2.937 c)

EFFECTIVE SPECIFIC GRAVITY OF AGGREGATE (AASHTO T 209, ASTM D 2041)

Gse = Pmm - Pb

Gmm Gb

Gse = effective specific gravity of aggregate

Gmm = Maximum specific gravity(ASTM D 2041) of paving mixture(no Air voids)

Pmm = percent by weight of total loose mixture = 100

Pb = Asphalt contant at which test was performed by total weight of mixture

Gb = Specific gravity of asphalt

P1+ P2+P3+………..Pn

60 + 40

P1+ P2+P3+………..Pn

60 + 40

(4)

d)

MAXIMUM SPECIFIC GRAVITY OF MIXTURE WITH DIFFERENT ASPHALTCONTENTS (AASHTO T 209, ASTM D 2041)

Gmm = Pmm

Gse Gb

Gmm = Maximum specific gravity of paving mixture (no Air Voids)

Pmm = Percent by weight of total loose mixture = 100

Ps = Aggregate content, percent by total weight of mixture

Pb = asphalt content, percent by total weight mixture

Gse = effective specific gravity of aggregate

Gb = specific gravity of asphalt

e) ASPHALT ABSORPTION

Pba = 100X(Gse-Gsb)XGb

Gse Gsb

Pba = absorbed asphalt , percent by weight of agregate

Gse = effective specific gravity of aggregate

Gsb = bulk specific gravity of aggregate

Gb = specific gravity of asphalt

Pba = 100X(2.856 -2.807)X1.021

(2.856X2.807)

=

0.62

f) EFFECTIVE ASPHALT CONTENT OF A PAVING MIXTURE

Pbe =

100 Pbe = effective asphalt content, percent by total weight of mixture

Pb = asphalt content, percent by weight of mixture

Pba = absorbed asphalt, percent by weight of aggregate

Ps = aggregate content, percent by total weight of mixture

Pbe =

100 =

4.41 Ps + Pb

Pb - ( Pba )X Ps

5.0-( 0.62X95.00)

(5)

Contractor's Representative

Consultant's Representative

g) PERCENT VMA COMPACTED PAVING MIXTURE

VMA =

Gsb

VMA = voids in mineral aggregate, percent of bulk volume

Gsb = bulk specific gravity of total aggregate

Gmb = bulk specific gravity of compacted mixture

Ps = aggregate content, percent by total weight of mixture

VMA =

2.81 =

14.7

h) PERCENT AIR VOIDS IN COMPACTED MIXTURE

Va =

Gmm

Va = air voids in compacted mixture, percent of total volume

Gmm = maximum specific gravity of paving mixture

Gmb = bulk specific gravity of conpacted mixture

Va =

2.629 =

4.1

i) PERCENT VFA IN COMPACTED MIXTURE

VFA =

VMA

VFA = voids filled with asphalt, percent of VMA

VMA = voids in mineral aggregate, percent of total volume

Va = air voids in compacted mixture, percent of total volume

VFA =

14.7 =

71.8 100 - ( GmbXPs )

100 - ( 2.520 X 95.00 )

100 X Gmm-Gmb

100 X ( 2.629 - 2.521 )

100 x ( VMA - Va )

100 x ( 14.7 - 4.1 )

(6)

MIX DESIGN TRIAL TEST RESULTS WITH MARSHAL METHOD

Hot Bin Blend Trial - 1 (AGG.-1, AGG.-2, AGG.-3, AGG.-4)

Location/Source Hot Mix Plant DEPL at Km:161+250LHS _{Asphalt Source} _HPCL Date Tested

Mix Type SDBC Bulk Specific Gravity (Gsb) 2.807 _{Flow Gauge No.} 40923 (25mm)

Compaction 75 Blows Apparent Specific Gravity (Gsa) 2.937 Proving Ring No. 07-117 (50KN)

Asphalt 60/70 Asphalt Specific Gravity (Gb) 1.02 Correction Factor 59.52

Remarks 3.0 1 97.0 59 1190 715.5 1190.5 475 2.505 2.669 8.2 15.3 46.6 154 9 1.14 10 2.4 2 97.0 59 1182 710 1182.5 472.5 2.502 145 9 1.14 10 2.0 3 97.0 59 1185.5 713.5 1187 473.5 2.504 143 9 1.14 10 2.3 4 97.0 59 1187 714.5 1188 473.5 2.507 155 9 1.14 11 2.1 5 97.0 59 1179.5 710 1180 470 2.510 145 9 1.19 10 2.6 6 97.0 59 1191 716 1192 476 2.502 145 9 1.14 10 2.5 Average 97 59.1 1185.83 701.5 1186.7 473.4 2.505 148 8.8 1.15 10.1 2.3 2.450

Gse=(Pmm-pb)/((Pmm/Gmm)-(Pb/Gb)) Va=100X(Gmm-Gmb)/Gmm VMA=100-(GmbXPs/Gsb) VFA=100X(VMA-Va)/VMA

Contractor's Representative

Consultant's Representative

Lab Tech/QCE

Asphalt % by Wt. of Mix Specimen No. Aggregate% of Specimen Height in mm Weight in Air gm Weight in Water gm SSD Weight in Air gm Bulk Volume cc Bulk Density g/cc Max. Specific Gravity Air Voids % VMA % VFA % Dial Gauge Reading Stability

Measured KN Correction Factor

Satability Adjusted

KN

Flow in mm

(7)

MIX DESIGN TRIAL TEST RESULTS WITH MARSHAL METHOD

Remarks Asphalt % by Wt. of Mix Specimen No. Aggregate% of Specimen Height in mm Weight in Air gm Weight in Water gm SSD Weight in Air gm Bulk Volume cc Bulk Density g/cc Max. Specific Gravity Air Voids % VMA % VFA % Dial Gauge Reading Stability

Satability Adjusted KN Flow in mm 3.75 1 96.25 58 1180.5 713.0 1181.0 468 2.522 2.651 6.5 15.0 56.9 155 9 1.19 11 2.6 2 96.25 59 1192.0 721.0 1193.0 472 2.525 142 8 1.14 10 2.5 3 96.25 58 1183.5 716.0 1184.5 468.5 2.526 175 10 1.19 12 2.9 4 96.25 58 1176.0 711.0 1177.0 466 2.524 145 9 1.19 10 2.5 5 96.25 58 1178.0 711.5 1178.0 466.5 2.525 165 10 1.19 12 3.1 6 96.25 59 1191.0 721.5 1192.5 471 2.529 150 9 1.14 10 2.8 Average 96.25 58.5 1183.5 715.7 1184.3 468.7 2.525 155 9.2 1.17 10.9 2.7 2.480

Contractor's Representative

Consultant's Representative

Lab Tech/QCE

(8)

MIX DESIGN TRIAL TEST RESULTS WITH MARSHAL METHOD

Satability Adjusted KN Flow in mm 4.5 1 95.5 58 1190.0 723.5 1190.0 466.5 2.551 2.636 4.6 14.4 68.2 170 10 1.19 12 3.2 2 95.5 58 1190.5 724.5 1191.5 467.0 2.549 165 10 1.19 12 3.3 3 95.5 58 1187.0 722.5 1188.0 465.5 2.550 175 10 1.19 12 3.0 4 95.5 58 1191.5 725.0 1192.0 467.0 2.551 155 9 1.19 11 3.2 5 95.5 58 1192.0 725.0 1192.5 467.5 2.550 165 10 1.19 12 3.2 6 95.5 58 1190.0 724.0 1190.5 466.5 2.551 155 9 1.19 11 3.2 Average 95.5 58.2 1190.2 724.1 1190.8 466.7 2.550 164 9.8 1.19 11.6 3.2 2.515

Contractor's Representative

Consultant's Representative

(9)

MIX DESIGN TRIAL TEST RESULTS WITH MARSHAL METHOD

Satability Adjusted KN Flow in mm 5.25 1 94.75 58 1192.0 724.5 1192.5 468 2.547 2.609 3.6 15.1 76.0 165 10 1.19 12 4.2 2 94.75 58 1186.5 720.0 1187 467 2.541 165 10 1.19 12 3.9 3 94.75 58 1187.5 722.0 1188 466 2.548 170 10 1.19 12 3.9 4 94.75 58 1190.0 722.5 1190.5 468 2.543 175 10 1.19 12 3.6 5 94.75 58 1188.0 723.5 1190 466.5 2.547 160 10 1.19 11 4.5 6 94.75 58 1191.0 723.5 1191.5 468 2.545 165 10 1.19 12 3.9 Average 94.75 58.3 1189.2 722.7 1189.9 467.3 2.545 167 9.9 1.19 11.8 4.0 2.515

Contractor's Representative

Consultant's Representative

Lab Tech/QCE

(10)

MIX DESIGN TRIAL TEST RESULTS WITH MARSHAL METHOD

Satability Adjusted KN Flow in mm 6.00 1 94.00 59 1184.0 710.5 1184.0 473.5 2.501 2.549 2.5 16.8 85.1 140 8 1.14 10 4.2 2 94.00 59 1182.5 711.0 1183.0 472.0 2.505 150 9 1.14 10 4.5 3 94.00 59 1182.0 707.5 1182.5 475.0 2.488 165 10 1.14 11 3.9 4 94.00 59 1184.0 712.0 1185.0 473.0 2.503 155 9 1.14 11 5.1 5 94.00 59 1183.5 708.0 1184.0 476.0 2.486 165 10 1.14 11 5.0 6 94.00 59 1184.5 708.5 1185.0 476.5 2.486 150 9 1.14 10 4.6 Average 94 59.2 1183.4 709.6 1183.9 474.3 2.495 154 9.2 1.14 10.5 4.6 2.485

Contractor's Representative

Consultant's Representative

(11)

MIX DESIGN TRIAL TEST RESULTS WITH MARSHAL METHOD

Satability Adjusted KN Flow in mm 5.00 1 95.0 59 1191.0 718.0 1191.0 473.0 2.518 2.629 4.1 14.7 71.9 165 9.8 1.14 11 3.4 2 95.0 59 1192.5 719.5 1192.5 473.0 2.521 175 10.4 1.14 12 3.3 3 95.0 59 1193.0 720.0 1193.5 473.5 2.520 155 9.2 1.14 11 3.4 4 95.0 59 1190.5 718.5 1190.5 472.0 2.522 190 11.3 1.14 13 3.1 5 95.0 59 1192.0 719.5 1192.0 472.5 2.523 150 8.9 1.14 10 3.1 6 95.0 59 1189.5 718.0 1190.0 472.0 2.520 170 10.1 1.19 12 3.3 Average 95 59.0 1191.4 718.9 1191.6 472.7 2.521 168 10.0 1.15 11.5 3.3

Contractor's Representative

Consultant's Representative

Lab Tech/QCE

(12)

NATIONAL HIGH WAYS AUTHORITY OF INDIA

Consultant

BCEOM - AARVEE (JV)

Contractor

M/s Devi Enterprises Ltd.,

ASHPHALT MIX DESIGN DATA BY THE MARSHAL METHOD

(Ashphalt institute MS-2. ASTM D1559)

Location/Source Date Sampled

Description of Sample Date Tested

Sp.Gr. Of Ashphalt 1.02 Ashphalt % by wt. of Mix (Pb) 5.00

Grade of Ashphalt 60/70 Bulk S.Gr. Of Aggregate (Gsb) 2.81

S.No. Sample Description Formula Set I Set II Average

1 2 3 1 2 3 a Sample Height mm 59.0 59.0 59.1 58.9 59.0 58.9 b Wt. of Sample in Air gm 1191.0 1192.5 1193.0 1192.5 1192.0 1189.5 c Wt. of SSD in Air gm 1191.0 1192.5 1193.5 1190.5 1192.0 1190.0 d Wt. of Sample in Water gm 718.0 719.5 720.0 718.5 719.5 718.0 e Bulk Volume cc c-d 473.0 473 473.5 472.0 472.5 472.0

f Bulk Density gm/cc b/e 2.518 2.521 2.520 2.526 2.523 2.520 2.521

g Asp. By Wt. of Agg. %

h Asp. By Wt. of Mix % 4.95 4.95 4.95 4.95 4.95 4.95 4.95 Min. 5.0 %

i Vol. of Asp. % h*f/SG asp 12.21 12.22 12.22 12.25 12.23 12.22

j Vol. of Agg. % (100-h)*f/Gb 85.26 85.37 85.32 85.55 85.42 85.34

k Vol. of voids % 100-i-j 2.53 2.41 2.47 2.20 2.34 2.45

l Max.Theoritical density gm/cc 2.629 2.629 2.629 2.63 2.63 2.63

m Voids in Mineral Agg. % 100-j 14.7 14.6 14.7 14.4 14.6 14.7 14.6 Min. 14%

n Voids filled with Asp. % i/m*100 71.3 72.0 71.6 73.0 72.3 71.8 72.0 65 - 78%

o Air Voids in Total Mix % (l-f)*100/l 4.2 4.1 4.2 3.9 4.0 4.1 4.1 3 - 6 %

p Satbility (Measured) Kg 9.8 10.4 8.6 9.8 10.2 11.3

q Correction asper Calibration% 1.19 1.19 1.19 1.19 1.19 1.19

r Stability (Adjusted) Kg p*q 11.7 12.4 10.2 11.7 12.1 13.4 11.9 8.2 KN

t Flow measured mm 3.1 3.5 2.9 3.5 2.6 2.9 3.1 2 - 4 mm

Contractor's Representative

Consultant's Representative

Lab Tech/QCE

Four laning from NAGPUR - HYDERABAD section of NH-7 from Km: 153+000 to Km: 175+000

in the sate of Maharastra Contract package no.NS-62(MH)

Specification Limits

(13)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

: M/s DEVI ENTERPRISES Ltd.,

Sample No Date sampled _:02.10.07

Location/Source Date Tested _:03.10.07

Material Description Sampled by _{:Mr.Singh,Surendra,Kishor & Mr.G.V}

COMBINED GRADATION

Sieve Size in mm 6-10mm <6/Dust 60 40 100 100 60 40 13.2 ₁₀₀ ₁₀₀ _60.0 _40.0 _100.0 ₁₀₀ 100 9.5 99.9 100 59.9 40.0 99.9 90-100 95 4.75 0.8 98.7 0.5 39.5 40.0 35-51 43 2.36 0.1 77.2 0.1 30.9 30.9 24-39 31.5 1.18 0.1 56.3 0.1 22.5 22.6 15-30 22.5 0.3 0.1 28.2 0.1 11.3 11.3 9-19 14 0.075 0.1 11.6 0.1 4.6 4.7 3-8 5.5

-Remarks:____________________________________________________________

Contractor's Repersentative

Lab Tech./ QCE :

Material Engineer :

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to Km:175+000

in the State of Maharashtra Contract Package NS-62(MH)

Combined % of Passing Specification Limits SDBC Remarks (Mid Limit) 13.2 9.5 9.5 2.36 1.18 0.3 0.08 0 10 20 30 40 50 60 70 80 90 100 110 Column M Column N Column O Column P Column Q

(14)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

: M/s DEVI ENTERPRISES Ltd.,

SIEVE ANALYSIS

IS 2720 Part 4

Sample No

Date sampled

12.09.07 Location/Source

Date Tested

14.09.07 Material Description

Sampled by

:Mr.Surender & Mr.G.V

Sieve Size

Mass

Cumulative

Specification

Retained

Mass

Retained

Passing

Limits

in gm

Retained (g)

%

45.0mm

0 0 0.0 100.0

100 37.5 mm

0 0 0.0 100.0

100 26.5 mm

0 0 0.0 100.0

90-100

19.0 mm

0 0 0.0 100.0

71-95

13.2mm

0 0 0.0 100.0

56-80

4.75 mm

3675 3675 92.2 7.8

38-54

2.36 mm

125 3800 95.3 4.7

28-42

10 3810 95.6 4.4

7-21

5 3815 95.7 4.3

2-8

Pan

171 3986

100.0

0.0

TOTAL

3986

Remarks: ________________________________________________________________________________________________

Contractor 's Repersentative

Consultant 's Representative

Lab Tech/QCE:

Lab Tech/QCE

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to Km:175+000

in the State of Maharashtra Contract Package NH-62(MH)

300 µ

m

75 µ

m

(15)

45

100

100.0

100

37.5

100

100.0

100

26.5

90

100.0

100

19

71

100.0

95

13.2

56

100.0

80

4.75

38

7.8

54

2.36

28

4.7

42

0.3

7

4.4

21

0.08

2

4.3

8

(16)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

:M/s DEVI ENTERPRISES Ltd.,

MAXIMUM SPECIFIC GRAVITY OFMIXTURE (ASTM D2041)

Layer Type

: SDBC

Date sampled

:

Asphalt content IN %

3 Date tested

:

Residual Pressure

: 4 KPa

Sampled by

:

SL. NO

_{Test description}

_{Trial - 1}

_{Trial - 2}

_Average

A

Empty weight of flask (In Gm) ---(a)

574

574 B

Weight of flask + Sample (in Gm) ---(b)

1010

1020

C

weight of flask + Sample + Water (in Gm) --- (c)

2065

2071.5

D

Weight of flask + Water (in Gm) ---(d)

1792.5

E

Maximum Specific Gravity (Gmm)(e) = ( b-a )

2.667

2.671

2.669 (b-a)-(c-d)

F

Effective specific gravity(Gse) ( f )= ( Pmm-Pb )

2.807

2.811

2.809 (Gmm Gb )

Remarks :_______________________________________________________________________

Contractor Representative

Consultant Representative

Lab Tech/QCE

Material Engineer

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to Km:175+000 in the State of Maharashtra Contract Package NS-62(MH)

(17)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

:M/s DEVI ENTERPRISES Ltd.,

MAXIMUM SPECIFIC GRAVITY OFMIXTURE (ASTM D2041)

Layer Type

: SDBC

Date sampled

:

Asphalt content in %

3.75 Date tested

:

Residual Pressure

: 4 KPa

Sampled by

:

SL. NO

_{Test description}

_{Trial - 1 Trial - 2}

_Average

A

Empty weight of flask (In Gm) ---(a)

574

574 B

Weight of flask + Sample (in Gm) ---(b)

1020.5

1013

C

weight of flask + Sample + Water (in Gm) --- (c)

2070.5

2066

D

Weight of flask + Water (in Gm) ---(d)

1792.5

E

Maximum Specific Gravity (Gmm)(e) = ( b-a )

2.650

2.653

2.651 (b-a)-(c-d)

F

Effective specific gravity(Gse) ( f )= ( Pmm-Pb )

2.825

2.829

2.827 (Gmm Gb )

Remarks :_______________________________________________________________________

Contractor Representative

Consultant Representative

Lab Tech/QCE

Material Engineer

(18)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

:M/s DEVI ENTERPRISES Ltd.,

MAXIMUM SPECIFIC GRAVITY OFMIXTURE (ASTM D2041)

Layer Type

: SDBC

Date sampled

:

Asphalt content in %

4.5 Date tested

:

Residual Pressure

: 4 KPa

Sampled by

:

SL. NO

_{Test description}

_{Trial - 1 Trial - 2}

_Average

A

Empty weight of flask (In Gm) ---(a)

574

574 B

Weight of flask + Sample (in Gm) ---(b)

1000.5

1009.5

C

weight of flask + Sample + Water (in Gm) --- (c)

2057.5

2062.5

D

Weight of flask + Water (in Gm) ---(d)

1792.5

E

Maximum Specific Gravity (Gmm)(e) = ( b-a )

2.641

2.631

2.636 (b-a)-(c-d)

F

Effective specific gravity(Gse) ( f )= ( Pmm-Pb )

2.854

2.843

2.867 (Gmm Gb )

Remarks :_______________________________________________________________________

Contractor Representative

Consultant Representative

Lab Tech/QCE

Material Engineer

(19)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

:M/s DEVI ENTERPRISES Ltd.,

MAXIMUM SPECIFIC GRAVITY OFMIXTURE (ASTM D2041)

Layer Type

: SDBC

Date sampled

:

Asphalt content in %

5.25 Date tested

:

Residual Pressure

: 4 KPa

Sampled by

:

SL. NO

_{Test description}

_{Trial - 1 Trial - 2}

_Average

A

Empty weight of flask (In Gm) ---(a)

574

574 B

Weight of flask + Sample (in Gm) ---(b)

1050

1010

C

weight of flask + Sample + Water (in Gm) --- (c)

2086

2061.5

D

Weight of flask + Water (in Gm) ---(d)

1792.5

E

Maximum Specific Gravity (Gmm)(e) = ( b-a )

2.608

2.611

2.609 (b-a)-(c-d)

F

Effective specific gravity(Gse) ( f )= ( Pmm-Pb )

2.854

2.857

2.856 (Gmm Gb )

Remarks :_______________________________________________________________________

Contractor Representative

Consultant Representative

Lab Tech/QCE

Material Engineer

(20)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

:M/s DEVI ENTERPRISES Ltd.,

MAXIMUM SPECIFIC GRAVITY OFMIXTURE (ASTM D2041)

Layer Type

: SDBC

Date sampled

:

Asphalt content in %

6 Date tested

:

Residual Pressure

: 4 KPa

Sampled by

:

SL. NO

_{Test description}

_{Trial - 1 Trial - 2}

_Average

A

Empty weight of flask (In Gm) ---(a)

574

574 B

Weight of flask + Sample (in Gm) ---(b)

1000

1009.5

C

weight of flask + Sample + Water (in Gm) --- (c)

2051.5

2057

D

Weight of flask + Water (in Gm) ---(d)

1792.5

E

Maximum Specific Gravity (Gmm)(e) = ( b-a )

2.551

2.547

2.549 (b-a)-(c-d)

F

Effective specific gravity(Gse) ( f )= ( Pmm-Pb )

2.821

2.815

2.818 (Gmm Gb )

Remarks :_______________________________________________________________________

Contractor Representative

Consultant Representative

Lab Tech/QCE

Material Engineer

(21)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

:M/s DEVI ENTERPRISES Ltd.,

MAXIMUM SPECIFIC GRAVITY OFMIXTURE (ASTM D2041)

Layer Type

: SDBC

Date sampled

:

Asphalt content in %

5 Date tested

:

Residual Pressure

: 4 KPa

Sampled by

:

SL. NO

_{Test description}

_{Trial - 1Trial - 2}

_Average

A

Empty weight of flask (In Gm) ---(a)

574

574 B

Weight of flask + Sample (in Gm) ---(b)

1000.5

1012.5

C

weight of flask + Sample + Water (in Gm) --- (c)

2056.5

2064.5

D

Weight of flask + Water (in Gm) ---(d)

1792.5

E

Maximum Specific Gravity (Gmm)(e) = ( b-a )

2.625

2.634

2.629 (b-a)-(c-d)

F

Effective specific gravity(Gse) ( f )= ( Pmm-Pb )

2.861

2.872

2.867 (Gmm Gb )

Remarks :_______________________________________________________________________

Contractor Representative

Consultant Representative

Lab Tech/QCE

Material Engineer

(22)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Consultant

: BCEOM-AARVEE (JV)

Contractor

:M/s DEVI ENTERPRISES Ltd.,

STRIPPING VALUE OF AGGREGATE (IS:6241)

Location/Source

Bitumen Grade

Layer Type

Date sampled

Asphalt content

Date tested

Material Type

Sampled by

S.NO.

Test descriptuin

Trial - 1

Trial - 2

a

Time of Mixing (in Min.)

b

c

Temparature of Aggregate after mixing (in 0C)

d

Time of placing in water bath (in Min.)

e

Temparature of water bath (in 0C)

f

Time of visual inspection (in Hrs)

g

Stripping Value retained coating ( in % )

Remarks :___________________________________________________________

Contractor's Representative

Consultant's Representative

Lab Tech/QCE

Material Engineer

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to Km:175+000

in the State of Maharashtra Contract Package NS-62(MH)

(23)

(24)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Contractor

: M/s DEVI ENTERPRISES Ltd.,

Consultant

: BCEOM-AARVEE (JV)

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to

Km:175+000

in the State of Maharashtra Contract Package NH-62(MH)

DBM

MIX

(25)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Contractor

: M/s DEVI ENTERPRISES Ltd.,

Consultant

: BCEOM-AARVEE (JV)

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to

Km:175+000

in the State of Maharashtra Contract Package NH-62(MH)

JMF

DATA

(26)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Contractor

: M/s DEVI ENTERPRISES Ltd.,

Consultant

: BCEOM-AARVEE (JV)

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to

Km:175+000

in the State of Maharashtra Contract Package NH-62(MH)

AGGREGATE

TEST

RESULTS

(27)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Contractor

:M/s DEVI ENTERPRISES Ltd.,

Consultant

: BCEOM-AARVEE (JV)

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to

Km:175+000

in the State of Maharashtra Contract Package NH-62(MH)

ASPHALT

TEST

(28)

NATIONAL HIGHWAYS AUTHORITY OF INDIA

Contractor

:M/s DEVI ENTERPRISES Ltd.,

Consultant

:BCEOM-AARVEE (JV)

Four Laning of NAGPUR - HYDERABAD Section of NH-7 From Km:153+000 to

Km:175+000

in the State of Maharashtra Contract Package NH-62(MH)

MARSHALL

TEST

(29)

Asphalt Content

Bulk Density

Stability

Air Voids

VMA

VFA

Flow

(30)

MIX DESIGN TRIAL TEST RESULTS WITH MARSHAL METHOD

Hot Bin Blend Trial - 1 (HB1 - ,HB2 - ,HB3 - ,HB4 - )

Gse 2.77 Gb 1.01 Proving Ring No. Correction Factor 2.97

4.0 1 96.5 62.5 1239 705 1243.5 538.5 2.301 2.6 7.38 15.12 51.67 483 1432 1.09 1561 2.5 2 96.5 63 1239 717 1245 528 2.347 475 1408 1.04 1465 2.6 3 96.5 61 1259.5 718 1259.5 541.5 2.326 482 1429 1.04 1486 2.2 Average 96.5 62.17 1245.83 713.33 1249.3 536.0 2.324 480 1423 1.06 1504 2.4 4.5 1 96 62 1243 730 1243.5 513.5 2.421 2.58 5.85 14.86 61.22 512 1518 1.04 1579 3.2 2 96 63 1243.5 731.5 1244 512.5 2.426 535 1586 1.09 1729 3.5 3 96 63 1250.5 734 1252 518 2.414 526 1560 1.09 1700 3.9 Average 96 62.67 1245.67 731.83 1246.5 514.7 2.420 524 1555 1.07 1669 3.5 5.0 1 95.5 64 1246 743 1246 503 2.477 2.56 2.34 12.86 82.52 560 1660 1.14 1893 4.2 2 95.5 63 1245 743.5 1245 501.5 2.483 575 1705 1.14 1944 4.5 3 95.5 63 1249.5 739 1251 512 2.440 540 1601 1.14 1825 4.3 Average 95.5 63.33 1246.83 741.83 1247.3 505.5 2.467 558 1655 1.14 1887 4.3 5.5 1 95 64 1257.5 734 1257.5 523.5 2.402 2.54 1.98 13.67 86.45 485 1438 1.14 1639 4.6 2 95 61 1255.5 733.5 1256 522.5 2.403 475 1408 1.14 1606 4.4 3 95 63 1262.5 735.5 1263 527 2.396 485 1438 1.14 1639 4.9 Average 95 62.67 1258.50 734.33 1258.7 524.3 2.400 482 1428 1.14 1628 4.6 6.0 1 94.5 64 1249.5 725 1249.5 524.5 2.382 2.52 1.97 14.81 87.52 355 1053 1.14 1200 4.5 2 94.5 63 1274 737 1275 538 2.368 375 993 1.09 1082 4.6 3 94.5 62 1256 727 1261 534 2.352 355 1112 1.14 1268 4.4 Average 94.5 63.00 1259.83 729.67 1261.8 532.2 2.367 362 1053 1.12 1183 4.5 Asphalt % by Wt. of Mix Specimen No. Aggregate% of Specimen Height in mm Weight in Air gm Weight in Water gm SSD Weight in Air gm Bulk Volume cc Bulk Density g/cc Max. Specific Gravity Air Voids % VMA % VFA % Dial Gauge Reading Stability Measured Kg Correction Factor Satability Adjusted Kg Flow in mm

(31)

Curves of Marshal Parameters

% of Ashpalt

Bulk Density g/cc

Gmm

Stability

% VMA

%VFA

Flow in mm

% Air Voids

4.0 2.324 2.602 1504 15.12 51.67 2.4 7.38 4.5 2.420 2.581 1669 14.86 61.22 3.5 5.85 5.0 2.467 2.560 1887 12.86 82.52 4.3 2.34 5.5 2.400 2.540 1628 13.67 86.45 4.6 1.98 6.0 2.367 2.520 1183 14.81 87.52 4.5 1.97

3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5

2.3

2.4

2.5

2.6 % of Ashpalt

G

S

B

i

n

g

/c

c

3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 2.500 2.520 2.540 2.560 2.580 2.600

% of Ashpalt

G

m

3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5

1000

1200

1400

1600

1800

2000

% of Ashpalt

S

ta

b

il

it

y

in

K

N

3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5

11.5

12

12.5

13

13.5

14

14.5

15

15.5 % of Ashpalt

%

o

f

V

M

A

3.0 3.5 4.0 4.5 5.0 5.5 6.0

40

50

60

70

80

90 % of Ashpalt

%

V

F

A

3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0 % of Ashpalt

F

lo

w

i

n

m

(32)

MIX DESIGN TRIAL TEST RESULTS WITH MARSHAL METHOD

Hot Bin Blend Trial - 1 (HB1 - ,HB2 - ,HB3 - ,HB4 - )

(33)