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Pavement In-Place Recycl



(Pave

Pavement Recycling

. . 213/2543 Recycling)

Pavement In Place Recycli



1 1 2 8 3 17 4 37 5 42 6 44

6.1 6.2 Pavement Recycling6.3 6.4 6.5

7 57 60



1

1

Pavement R

1.1 Pavement Recycling

• . Pavement Recycling• Profile Grade Pavement Recycling•

• Pavement Recycling• Pavement Recycling•

1.2

• (In-Place) (Central Plant)

• • •

•

1.3 • Pavement Recycling •



2



3

(Pavement Recycling)



4

1

1) ......................... 2) .........................

Recycled Base Course () ......................... .........................

: ( )

: ... ( )



5

2

1) ......................... 2) ......................... 3) . .......................


: .......................................( )

: ... ( )



6

3

1) ......................... 2) ......................... 3) .........................


: .......................................( )

: ... ( )



7

4

( 1, 2 3 )

: .......................................( )

: ...

( )



8

2

Pavement Recycling

Pavement Recycling (Overlay) (Patching)

Pavement Recycling Recycling (Unconfined Compressive Strength)

• •

•

•



9

2.1

2.1.1

2.1.2 (Overlay) (Patching)

2.2 2.2.1 2.2.2

200 500 2.2.3 1

2.2.4

2.3

2.3.1 2.3.2

2.4

(Overlay)



10

Coring



11

Coring 200

1 Coring 2



12

Coring 200 ( Coring )

2 Coring 4



13


3 Coring 4



14


4 Coring 6



15

Coring 200

5 Coring 10



16

9

10

11

12

13

14

15

16

17

18

1920

21

22

23

24

16+000 18+000 20+000 22+000 24+000 26+000 28+000 30+000

STATION

T H I C K N E S S O F A S P H A L T C O N C R E T E ( c m . )

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

16+000 18+000 20+000 22+000 24+000 26+000 28+000 30+000

STATION , Lt.

T H I C K N E S S O F A S P H A L T C O N C R E T E ( c m . )

Station



17

3

(Pavement R

3.1

3.1.1 3.1.2

2 (1)

Soil Aggregate

(2)

.) .)

.)

.)

.) 3.1.3 3.1.4



18

3.2

(1) (2) (3) (4)

3.3

O.M.C. (Unconfined Compressive Strength , UCS.)

Indirect Tensile Strength (ITS)

(1) (2) (3)

3.4 (Mix Design Procedure)

- (Sampling and Preparation)- (Mix Design Procedure)-

Optimum Stabilizer Content)-

3.4.1



19

(1)

- - - -

150



20

(2)



21

(1) (Gradation) (Plasticity Index, PI.)

(2) (Sample Blending)

5

20.0 2300 20.0 2100

20 5.0 15.0

1 ( ) (%) 10 ( ) (5.0 2,400 ./ .3)

0.05x2400 = 120 0.26 0.26x10.0

(15.0 2,300 ./ .3)

0.15x2300 = 345 0.74 0.74x10.0

465 1 10

(3) Quart

19.0 (3/4 ) 19.0 (3/4 ) 19.0 (3/4 ) 4.75 ( 4)



22

(4) (Mold) 101.6 (4 )

3000 1

3.4.2

(1)

2, 3 4



23

(2) Compaction Test .- . 108 C

Optimum Moisture Content (OMC.) Maximum Dry Density (MD

Compaction Test Optimum Moisture Content (OMC

(3) (1) 4.1.2 3



24

(2)

M1 =

+

100W1

M2

M1 = M2 = W =

(3)

M3 = 1M100C×

M3 = C = M1 =

(4) OMC.W1 = W2 - W3 W1 =

W2 = OMC.W3 =

M4 = ( )311 MM

100W +×

M4 = W1 = M1 = M3 =

(5) . - . 108 Com

(6) (5)



25

(7)

(8) D =

VM5

D = M5 = V =

D1 =

100

W1

D4+

D1 = W4 =

(9) 1 8 5

(10) (1) (9)

OMC



26



27

(4) 7

2





29

3.4.3 (1)

3 (2)

(3)

105

115 ) 3.4.4

(1)

4.3.3

=

(2)



30

Project : - 347

Sample Description : Crushed Lime Stone + AC. + Cement 2%Test By :

Location : Road Lt. KM. 0+374 Checked By :Date : 25/12/46

DENSITY

Trial (water added) % 0 1 2 3 4 Wt. Mold + Soil (Kg.) 5.573 5.685 5.785 5.833 5.785 Wt. Mold (Kg.) 3.755 3.755 3.755 3.755 3.755 Wt. Soil (Kg.) 1.818 1.930 2.030 2.078 2.030 Wet. Density (gm/ml.) 1.918 2.036 2.141 2.192 2.141

Dry Density (gm/ml.) 1.915 2.012 2.098 2.127 2.053 Void Ratio e Porosity nWATER CONTENT

Can No. 49 30 8 59 21

Wt. Can + Wet Soil (gm) 392.7 371.9 381.8 385.3 389.8 Wt. Can + dry Soil (gm) 392.1 367.9 374.8 374.9 375.2 Wt. Water (gm) 0.6 4.0 7.0 10.4 14.6 Wt. Can (gm) 35.2 35.3 35.6 35.9 35.5 Wt. Dry Soil (gm) 356.9 332.6 339.2 339.0 339.7 Water Content (%) 0.2 1.2 2.1 3.1 4.3

= 2.127 gm/ml.

= 3.1 %

COMPACTION TEST (AASHTO T-180)

Maximum Dry Density

Optimum Moisture Content

1.900

1.950

2.000

2.050

2.100

2.150

2.200

0 1 2 3 4 5Water Content (%)

D r y

D e n s i t y

( g m . / m

l . )

( .- .108)

2.9



31

Test No.Type of TestDateSourceWeight Of Sample (Gms) 3,000.0 Gms.Moisture Of Sample % 0.1 %Dry Weight (Gms) 2,997.0 Gms.

Cement 2 % 59.9 Gms.Dry Weight + Cement (Gms) 3,056.9 Gms.O.M.C. % 3.5 %Used Water % 3.4 %Water Added CC. 103.9 Gms.

Can No. 13 , 21 , 46 , 35 , 32

Wt. Of Can + Wet Soil Gms. = - Gms.Wt. Of Can + Dry Soil Gms. = - Gms.Wt. Of Water Gms. = - Gms.Wt. Of Can Gms. = - Gms.Wt. Of Dry Soil Gms. = - Gms.Water Content % Average = 0.1 %

26/12/46

KM. 1+500

- 347Pavement Recycling Mix Designs

GPR-2

Mod.Comp.

GPR-1



32

- 347

Soil Sample No. ………………………….……. Description Pavement In - Place Recycling

Source ……………………….………. Stockpile ……………………………..………..

Cement ………..………...…………… Date ……………………………………….

Tested by ……...…………………….….

1 2 3 4 5 6

Wt. Of Sample Kg. 2.041 2.124 2.104 2.056 2.134 2.075

Wet Density gm./ml. 2.153 2.241 2.219 2.169 2.251 2.189

Dry Density gm./ml. 2.080 2.161 2.147 2.092 2.172 2.115

Volume 948 ml. Average Dry Density : gm./ml.

22 7 11 12 20 22

Gms. 345.2 325.1 379.2 353.5 377.4 381.9

Gms. 334.7 314.9 367.9 342.3 365.4 370.2

Gms. 10.5 10.2 11.3 11.2 12.0 11.7

Gms. 35.3 36.3 35.2 36.2 34.2 35.1

Gms. 299.4 278.6 332.7 306.1 331.2 335.1

% 3.5 3.7 3.4 3.7 3.6 3.5

Average O.M. = %

Proving Ring No. k. Factor = (Dial Reading x 10.435) + 17 = Lb.

D.in. H.in. A.in2

1 25/12/46 1/1/47 7 4.02 4.6 12.69 257.1 18.07

2 25/12/46 1/1/47 7 4.02 4.6 12.69 300.7 21.13

3 25/12/46 1/1/47 7 4.02 4.6 12.69 324.5 22.81

4 25/12/46 1/1/47 7 4.02 4.6 12.69 292.4 20.56

5 25/12/46 1/1/47 7 4.02 4.6 12.69 289.1 20.33

6 25/12/46 1/1/47 7 4.02 4.6 12.69 303.9 21.37

Average Ultimate Compressive Strength = 21.24 Ksc.

21.24

368 3857.08

364 3815.34

393 4117.96

354

311 3262.29

450818

Dimensions

3710.99

350 3669.25

Wt. Of Can

Wt. Of Dry Soil

Water Content

Can No.

Wt. Of Can + Wet Soil

Wt. Of Can + Dry Soil

Wt. Of Water

Recycling Base Mixtures

3.6

Compressive Strength

Location of Sampling

Sample No.

= 2 % = 59.9 gms.

KM. 0+374 KM.

Cement

2.128

GPR - 1

KM. 0+374

Portland T e 1 Anusorn

-

25 / 12 / 46

DialReading

UltimateLoad lb.

Ucs

Psi.Ucs

Ksc. Average

Ucs Ksc.Sample

No.Date

MoldedDate

BrakenCuring

Days



33

- 347



Cement ………..………...…………… Date ……………………………………….

Tested by ……...…………………….….

1 2 3 4 5 6

Wt. Of Sample Kg. 2.124 2.119 2.094 2.124 2.075 2.135

Wet Density gm./ml. 2.241 2.235 2.209 2.241 2.189 2.252

Dry Density gm./ml. 2.169 2.162 2.139 2.165 2.121 2.178


17 2 12 27 25 4

Gms. 333.6 318.7 321.2 305.3 267.0 303.0

Gms. 324.1 309.4 312.1 296.2 259.8 294.2

Gms. 9.5 9.3 9.1 9.1 7.2 8.8

Gms. 35.3 35.1 35.1 35.2 35.4 35.3

Gms. 288.8 274.3 277.0 261.0 224.4 258.9

% 3.3 3.4 3.3 3.5 3.2 3.4

Average O.M. = %


D.in. H.in. A.in2

1 25/12/46 1/1/47 7 4.02 4.6 12.69 461.8 32.46

2 25/12/46 1/1/47 7 4.02 4.6 12.69 425.6 29.92

3 25/12/46 1/1/47 7 4.02 4.6 12.69 447.8 31.48

4 25/12/46 1/1/47 7 4.02 4.6 12.69 449.5 31.60

5 25/12/46 1/1/47 7 4.02 4.6 12.69 453.6 31.89

6 25/12/46 1/1/47 7 4.02 4.6 12.69 441.3 31.02


31.69


3.3



Sample No.

= 3 % = 89.8 gms.

KM. 0+374 KM.

Cement

2.156

Can No.



Wt. Of Water

5704.08

550 5756.25

Wt. Of Can

Wt. Of Dry Soil

Water Content

450818

Dimensions

560 5860.60

535 5599.73

516 5401.46

543 5683.21

545

GPR - 1

KM. 0+374


-

25 / 12 / 46

DialReading

UltimateLoad lb.

Ucs

Psi.Ucs

Ksc. Average

Ucs Ksc.Sample

No.Date

MoldedDate

BrakenCuring

Days



34

- 347



Cement ………..………...…………… Date ……………………………………….

Tested by ……...…………………….….

1 2 3 4 5 6

Wt. Of Sample Kg. 2.124 2.119 2.094 2.134 2.190 2.058

Wet Density gm./ml. 2.241 2.235 2.209 2.251 2.310 2.171

Dry Density gm./ml. 2.175 2.165 2.143 2.182 2.236 2.105


3 16 19 15 29 30

Gms. 353.5 312.6 332.6 290.4 320.6 241.0

Gms. 344.2 303.9 323.7 282.6 311.5 234.8

Gms. 9.3 8.7 8.9 7.8 9.1 6.2

Gms. 35.0 35.1 35.4 35.2 35.2 35.4

Gms. 309.2 268.8 288.3 247.4 276.3 199.4

% 3.0 3.2 3.1 3.2 3.3 3.1

Average O.M. = %


D.in. H.in. A.in2

1 25/12/46 1/1/47 7 4.02 4.6 12.69 664.1 46.79

2 25/12/46 1/1/47 7 4.02 4.6 12.69 544.1 38.33

3 25/12/46 1/1/47 7 4.02 4.6 12.69 672.3 47.37

4 25/12/46 1/1/47 7 4.02 4.6 12.69 708.5 49.92

5 25/12/46 1/1/47 7 4.02 4.6 12.69 626.3 44.12

6 25/12/46 1/1/47 7 4.02 4.6 12.69 552.3 38.91


47.05

670 7008.5

660 6904.1

816 8532.0

860

806 8427.6

Dimensions

8991.1

760 7947.6

Wt. Of Can

Wt. Of Dry Soil

Water Content

450818

Can No.



Wt. Of Water


3.1



Sample No.

= 4 % = 119.8 gms.

KM. 0+374 KM.

Cement

2.168

GPR - 1

KM. 0+374


-

25 / 12 / 46

DialReading

UltimateLoad lb.

Ucs

Psi.Ucs

Ksc. Average

Ucs Ksc.Sample

No.Date

MoldedDate

BrakenCuring

Days





36

Sample at KM. 0+374

Cement 2 % 21.24 Ksc.




Required Strength 25.0 Ksc.

115 % Required Strength = 28.75 Ksc.

Cement Content At 115 % Required Strength = 2.7


10.0

15.0

20.0

25.0

30.0

35.0

40.0

45.0

50.0

55.0

60.0

1 2 3 4 5 6

% Cement Content

C o m p r e s s

i v e

S t r e n g

t h

( K s c . )

C e m e n

t C o n

t e n

t 2

. 7 0 %

105% Require Strength



C e m e n

t C o n

t e n

t 2

. 4 6 %

C e m e n

t C o n

t e n

t 2

. 9 3 %



37

4

Pavement In-Place Recyc

4.1 4.1.1

6

(1) (Milling Machine)

- -

- Cutting Teeth



38

(2) (Screening and Crushing U- - (Over Size)-

(3) (Additive System)

- Microprocessor



39

(4) (Pugmill) - -

- - Spray bars

(5) (Paver and Screed Unit) - - Hopper



40

4.1.2 (Grader)-

4.1.3 (Rollers)- - - -

-



41

- (Scrapers)



42

5

200



43



44

6

6.1

/

100 1

Pavement Recycling 100 300

6.1.1 (1)



45

(2)

(Over Size)



46

(3 )

(4)



47

6.1.2 Milling Drum Pavement Recycling



48

6.1.3 Pavement Recycling

6.1.4 Pavement Recycling

Pavement Recycling



49

Wind Row

6.1.5

6.2 Pavement Recycling

Recycling Pavement Recycling

6.2.1

(1) (2)

(3) Pavement Recycling

(4)



50

(5)

(6)

6.2.2 Pavement Recycling (1) (Scarifying / Ripping) (Milling)

(2)

(3)

(4)

(5)

(6)



51

6.3 Pavement In-Place Recycling 2

Pavement In-Place Recyclin

6.3.1 Pavement In-Place Recycling

150

(1) (Camber Road)

-



52

(2) 2

-



53

-

(3) Pavement

6.3.2 Pavement In-Place Recycling



54

6.4 Pavement Recycling Pavement Recy

Pavement Recycling 20 25

Pavement Recycling 6.4.1

6

17.5 (Operating Weight Spec ) Wirtgent Manu chart 1

Chart 1



55

6.4.2 Pavement Recycling Pavement Recycling

(Smooth Drum) (Padfoot Drum)

Tired Roller) (1) High Amplitude

Pavement Recycling Pavement Recycling

(2) (3) Low Amplitude Pavement

Recycling

High Amplitude

Low Amplitude

Low Amplitude



56

6.5 Pavement Recycl

(Shrinkage Crack) Prime Coat

Pavement Recycling



57

7

Pavement Recycling

7.1 7.2

7.1

. .108/2517 Compaction Test 250 1 3

98

. .

603/2517 1 500 1

) 95 . .108/2517

Compaction Test )

97 . .108/2517 Compaction Test

7.2

1500 3 1



58

. .108/2517 Compaction Test 7 7

2 . .105/2515 Unconfined Comp





60

8.

8.1 Wirtgen Cold Recycling Manual 2nd edition November 20048.2 .- . 213 (Pavement Recycling)8.3 .- . 204 (Soil Cement Base)

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