SI POLMED Flexible Pavement Method 1

FLEXIBLE PAVEMENT METHOD

SI POLMED Flexible Pavement Method 2

ASPHALT CONCRETE SURFACE COURSE t=40

ASPHALT CONCRETE BINDER COURSE t=60

ASPHALT TREATED BASE t=100

AGGREGAT BASE CLASS-A t=275

AGGREGAT BASE CLASS-B t=300

SUBGRADE CBR 5 %

DETAIL BWIDENING

START

PRIME COATBY COMPRESSOR/ASPHALT SPRAYER

ASPHALT TREATED BASE thick = 10 cmBY DT/ASPHALT FINISHER/TANDEM ROLLER/PNEUMATIC TYRED ROLLER

ASPHALT CONCRETE SURFACE thick 4,0 cmBY DT/ASPHALT FINISHER/TANDEM ROLLER/PNEUMATIC TYRED ROLLER

TACK COATBY COMPRESSOR/ASPHALT SPRAYER

FINISH

SUB GRADE PREPARATION - CBR 5%BY MOTOR GRADER/VIBRO ROLLER

AGGREGAT BASE CLASS B thick 30 cmBY MOTOR GRADER/VIBRO ROLLER

AGGREGAT BASE CLASS A thick 27.5 cmBY MOTOR GRADER/VIBRO ROLLER

ASPHALT CONCRETE BINDER thick = 6,0 cmBY DT/ASPHALT FINISHER/TANDEM ROLLER/PNEUMATIC TYRED ROLLER

TACK COATBY COMPRESSOR/ASPHALT SPRAYER

EXISTING PAVEMENT ( OVERLAY )

A C t=40

A T B t=40

SI POLMED Flexible Pavement Method 3

SUB GRADE PREPARATION

1. HAULING SUBGRADE MATERIAL FROM BORROW AREA GOING TO PROJECT LOCATION BY DUMP TRUCK (IF NECESSARY)

2. DUMPING SUBGRADE MATERIAL FROM DUMP TRUCK (IF NECESSARY)

3. SPREADING MATERIAL BY MOTOR GRADER

4. -SPRAY THE WATER APPLIED TO SURFACE BY WATER TANK TRUCK -COMPACTING (THICKNESS AT LEAST 20 CM PER LAYER) BY VIBRO ROLLER, TO KEEP CBR 5%

WATER TANK TRUCK

20CM

SI POLMED Flexible Pavement Method 4

AGGREGAT BASE B ~ 20 CM THICKNESS LAYERS

1. DUMPING THE AGGREGAT BASE A MATERIAL FROM BORROW AREA GOING TO PROJECT LOCATION BY DUMP TRUCK

2. UNLOAD AGGREGATE MATERIAL FROM DUMP TRUCK

3. SPREADING BY MOTOR GRADER 4. COMPACTING AGGREGAT BASE A BY VIBRO ROLLER

SI POLMED Flexible Pavement Method 5

AGGREGATE BASE A ~ 20 CM THICKNESS LAYERS

1. HAULING AGGREGATE BASE A MATERIAL FROM BORROW AREA GOING TO PROJECT LOCATION BY DUMP TRUCK 2. DUMP AGGREGATE MATERIAL BY DUMP TRUCK

3. SPREADING BY MOTOR GRADER 4. COMPACTING AGGREGATE BASE A BY VIBRO ROLLER

SI POLMED Flexible Pavement Method 6

1. THE PRIME COAT APPLIED TO SURFACE OF THE BASE COARSE BY ASPHALT SPRAYER, BEFORE THAT CLEAN THE SURFACE BY COMPRESSOR

1. PRIME COAT

2. ASPHALT TREATED BASE 10 CM

2. ALOCATE THE HOT ASPHALTIC MIXTURES (ASPHALT TREATED BASE BY DUMP TRUCK) INTO ASPHALT FINISHER

4. FIRST COMPACTING BY TANDEM ROLLER, MIDDLE COMPACTING BY PNEUMATIC TYRE ROLLER AND FINAL COMPACTING BY TANDEM ROLLER ALSO

- THE ASPHALT TEMPERATURE IS NOT LESS THAN 120ºC

3. SPREADING THE HOT ASPHALTIC MIX TURES BY ASPHALT FINISHER

3. TACK COAT

4. ASPHALT CONCRETE BINDER 6.0 CM

2. ALOCATE THE HOT ASPHALTIC MIXTURES (ASPHALT CONCRETE BINDER BY DUMP TRUCK) INTO ASPHALT FINISHER

WIDENING ROADFLEXIBLE PAVEMENT

1 2 3 4A 4B 4C1

1. THE TACK COAT APPLIED TO SURFACE OF THE ASPHALT TREATED BASE BY ASPHALT SPRAYER, BEFORE THAT CLEAN THE SURFACE BY COMPRESSOR

4. FIRST COMPACTING BY TANDEM ROLLER, MIDDLE COMPACTING BY PNEUMATIC TYRE ROLLER AND FINAL COMPACTING BY TANDEM ROLLER ALSO

- THE ASPHALT TEMPERATURE IS NOT LESS THAN 120ºC

3. SPREADING THE HOT ASPHALTIC MIX TURES BY ASPHALT FINISHER

3 4A 4B 4C1 21

SI POLMED Flexible Pavement Method 7

6. ASPHALT CONCRETE SURFACE 4.0 CM

5. TACK COAT

1. THE TACK COAT APPLIED TO SURFACE OF THE ASPHALT CONCRETE BINDER BY ASPHALT SPRAYER, BEFORE THAT CLEAN THE SURFACE BY COMPRESSOR

4. FIRST COMPACTING BY TANDEM ROLLER, MIDDLE COMPACTING BY PNEUMATIC TYRE ROLLER AND FINAL COMPACTING BY TANDEM ROLLER ALSO

3. SPREADING THE HOT ASPHALTIC MIX TURES BY ASPHALT FINISHER

3 4A 4B 4C1 21

2. ALOCATE THE HOT ASPHALTIC MIXTURES (ASPHALT CONCRETE SURFACE BY DUMP TRUCK) INTO ASPHALT FINISHER

WIDENING ROAD FLEXIBLE PAVEMENT

- THE ASPHALT TEMPERATURE IS NOT LESS THAN 120ºC

SI POLMED Flexible Pavement Method 8