asphalt mix design

13
Material 3/4" 3/8" Sand Dust % 27% 26% 20% 27% Specific Gravity (s) 2.775 2.734 2.747 2.554 Combined Bulk SG Aggregate 2.696 Combined Bulk SG Aggregate 2.696 CombinedEffective SG Aggreg 2.748 Ashpalt Absorption Rate 0.71 Sample # Weigh In Air 1 75 4.50% 1200.9 1194.6 2 75 4.50% 1202.2 1197.9 3 75 4.50% 1199.8 1198.2 Avg 1200.9 1194.6 4 75 5.00% 1198 1196.1 5 75 5.00% 1198.3 1194.6 6 75 5.00% 1192.8 1191.7 Avg 1198 1196.1 7 75 5.50% 1195.9 1194.6 8 75 5.50% 1194.9 1193.8 9 75 5.50% 1174.9 1173.7 Avg 1195.9 1194.6 10 75 6.00% 1194.2 1193.2 11 75 6.00% 1191.2 1190.3 12 75 6.00% 1189.6 1188.9 Avg 1194.2 1193.2 13 75 6.50% 1192.6 1191.7 14 75 6.50% 1189.7 1188.8 15 75 6.50% 1173.9 1173 Avg 1192.6 1191.7 Flow(in.) No. of Blows %AC by Wt. of Mix SSD wt (g)

Upload: karl-todd

Post on 23-Jan-2016

5 views

Category:

Documents


2 download

DESCRIPTION

optimized to determine optimum asphalt content

TRANSCRIPT

Page 1: Asphalt Mix Design

Material 3/4" 3/8" Sand Dust Bitumen% 27% 26% 20% 27% -

Specific Gravity (s) 2.775 2.734 2.747 2.554 1.020

Combined Bulk SG Aggregate 2.696 -

Combined Bulk SG Aggregate 2.696CombinedEffective SG Aggrega 2.748Ashpalt Absorption Rate 0.71

Sample #

Weight (g)

In Air In Water1 75 4.50% 1200.9 1194.6 696.32 75 4.50% 1202.2 1197.9 6983 75 4.50% 1199.8 1198.2 697.6

Avg 1200.9 1194.6 696.3

4 75 5.00% 1198 1196.1 702.45 75 5.00% 1198.3 1194.6 706.56 75 5.00% 1192.8 1191.7 705.7

Avg 1198 1196.1 702.4

7 75 5.50% 1195.9 1194.6 7128 75 5.50% 1194.9 1193.8 709.69 75 5.50% 1174.9 1173.7 698.1

Avg 1195.9 1194.6 712

10 75 6.00% 1194.2 1193.2 70811 75 6.00% 1191.2 1190.3 706.212 75 6.00% 1189.6 1188.9 705.1

Avg 1194.2 1193.2 708

13 75 6.50% 1192.6 1191.7 70814 75 6.50% 1189.7 1188.8 703.315 75 6.50% 1173.9 1173 689.1

Avg 1192.6 1191.7 708

Flow(in.) Stability(kN)Sample # Initial gague ReadingCalculated Gauge reaCorr. Facto

No. of Blows

%AC by Wt. of Mix

SSD wt (g)

Page 2: Asphalt Mix Design

1 0.342 0.415 0.073 272 1.042 0.332 0.407 0.075 288 1.043 0.315 0.417 0.102 410 1.044 0.332 0.478 0.146 283 1.045 0.329 0.420 0.091 349 1.096 0.326 0.450 0.124 400 1.097 0.335 0.454 0.119 266 1.098 0.344 0.465 0.121 338 1.099 0.34 0.460 0.120 340 1.14

10 0.347 0.529 0.182 270 1.0911 0.35 0.514 0.164 262 1.0912 0.348 0.521 0.173 268 1.0913 0.352 0.531 0.179 205 1.0914 0.346 0.547 0.201 229 1.0915 0.345 0.465 0.120 231 1.09

Page 3: Asphalt Mix Design

C.C. Volume

Density Volume % Total VMA VFA

Bulk Eff. AC % % kN504.6 2.367

2.567 8.896 84.178 7.42 15.822 56.23 2376.388

9.466504.2 2.376 10.012502.2 2.386 14.175504.6 2.376 11.218

495.6 2.413

2.546 10.295 85.615 4.56 14.385 71.57 2429.665

9.840491.8 2.429 12.675487.1 2.447 14.499495.6 2.430 12.338

483.9 2.469

2.524 11.654 86.347 2.40 13.653 85.36 2463.411

9.706485.3 2.460 12.281476.8 2.462 12.920483.9 2.463 11.636

486.2 2.454

2.499 12.822 85.565 1.79 14.435 88.82 2454.077

9.849485 2.454 9.563

484.5 2.454 9.777486.2 2.454 9.730

484.6 2.459

2.437 13.958 84.654 -0.18 15.346 90.95 2440.925

7.524486.4 2.444 8.383484.8 2.420 8.454484.6 2.441 8.121

Stability(kN)Stability

Unit Weight

Adjusted Stability

Max. Theor.

Aggregates

Air Voids kg/m3

Page 4: Asphalt Mix Design

9.1029.627 Opt. Ashphalt Content13.63 4% airvoi MaxdensStability9.462 5.12 5.5 5

11.628 5.213.302

8.90511.26711.333

9.0368.773 Percent ashphAir VoidVMA VFA Bulk DensiAdjusted SFlow8.97 4.5 7.42 15.8217 56.23 2.376 11.218 8

6.903 5 4.56 14.38509 71.57 2.430 12.338 127.691 5.5 2.40 13.65284 85.36 2.463 11.636 127.756 6 1.79 14.43514 88.82 2.454 9.730 17

6.5 -0.18 15.3464 90.95 2.441 8.121 17

Page 5: Asphalt Mix Design

Mix weight1200

Percentage Asphalt Asphalt weight(g)

4.5 54.00

5 60.00

5.5 66.00

6 72.00 77

108

6.5 78.00 15

912

12

12121212

181617

17

18201217

Flow (0.01in.

)

Page 6: Asphalt Mix Design

Aggregate weight Aggregate Size Weight

1,146.00 3/4" 297.96

2.695

1,146.00 3/8" 297.96 %Bitumen 4.5%

1,146.00 Sand 229.20 500

1,146.00 Dust 309.42 1857.3

1,140.00 3/4" 296.40

2.695

2162.5 1,140.00 3/8" 296.40 Max Theor. SG 2.567 1,140.00 Sand 228.00 Effective SG of Ag 2.764 1,140.00 Dust 307.80 1,134.00 3/4" 294.84

2.695

1,134.00 3/8" 294.84 1,134.00 Sand 226.80

1,134.00 Dust 306.18

1,128.00 3/4" 293.28

2.695

1,128.00 3/8" 293.28 1,128.00 Sand 225.60 1,128.00 Dust 304.56 1,122.00 3/4" 291.72

2.695

1,122.00 3/8" 291.72 1,122.00 Sand 224.40 1,122.00 Dust 302.94

Gmm

WO (g)

WW (g)

WS (g)

Page 7: Asphalt Mix Design

5.0% 5.5% 6.0% 6.5%

500 500 500 500

1857.3 1857.3 1857.3 1857.3

2160.9 2159.2 2157.2 2152.12.546 2.524 2.499 2.437

2.763 2.761 2.754 2.697 2.748

Page 8: Asphalt Mix Design

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 62.320

2.340

2.360

2.380

2.400

2.420

2.440

2.460

2.480

Bulk Density

% Binder

Uni

t Wei

ght (

kg/m

3)

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 60.00

1.00

2.00

3.00

4.00

5.00

6.00

7.00

8.00

Air Voids

% Binder

Voi

ds %

≈ 5.1%

Page 9: Asphalt Mix Design

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 612.5

13

13.5

14

14.5

15

15.5

16

VMA %

% Binder

VM

A %

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 60.000

2.000

4.000

6.000

8.000

10.000

12.000

14.000

Stability

% Binder

Stab

ilit

y (k

N)

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 62.320

2.340

2.360

2.380

2.400

2.420

2.440

2.460

2.480

Bulk Density

% Binder

Uni

t Wei

ght (

kg/m

3)

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 60.00

1.00

2.00

3.00

4.00

5.00

6.00

7.00

8.00

Air Voids

% Binder

Voi

ds %

Page 10: Asphalt Mix Design

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 612.5

13

13.5

14

14.5

15

15.5

16

VMA %

% Binder

VM

A %

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 60.00

10.00

20.00

30.00

40.00

50.00

60.00

70.00

80.00

90.00

100.00

VFA %

% BinderV

FA

%

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 60.000

2.000

4.000

6.000

8.000

10.000

12.000

14.000

Stability

% Binder

Stab

ilit

y (k

N)

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 60

2

4

6

8

10

12

14

16

18

20

Flow

% Binder

Flo

w (m

m)

Page 11: Asphalt Mix Design

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 60.00

10.00

20.00

30.00

40.00

50.00

60.00

70.00

80.00

90.00

100.00

VFA %

% Binder

VF

A %

4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 60

2

4

6

8

10

12

14

16

18

20

Flow

% Binder

Flo

w (m

m)