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Paramount Asphalt
A subsidiary of

ALON USA

Performance –Graded (PG) Binders
Paramount Petroleum Corporation
14700 Downey...
Overview
 How it is made
 Then & Now
 Specifications grading
 Why, When & How?
 How will it affect you?
 Q&A
Production Of Modified Asphalt
H
Bases
S
Bases

Modifier
Polymer, rubbers, etc…

Grade
Production Of Modified Asphalt
 Very delicate
process

 Requires
computerized
system
PMA Plant
6
Long Term Storage
 Up to 2 weeks
Neat asphalt

Avoid aging
& increase viscosity

300-320oF
Prevent
PMA
PG-M, PG-PM, PG-TR...
Extended Storage
 More than 3 weeks

<300oF
250-300

 Neat asphalt:
– no heat

 PMA (PG-PM, PG-TR, PG-M):
– No heat
– P...
Formation Of Coked Material





Around heating coil
Excessive heat for an extended period
Loss in heat efficiency
Imp...
Coked Material
Hardened asphalt around the heating coils
Coked
material

Pipe

Asphalt
Heating oil
Coked Material


Very hard & brittle
materials
Heating Oil Leakage
 Minor leakage can drop viscosity from
2000 to 100 poise
 Monitor viscosity or heating fluid

 Solu...
Flushing
 Good practice to flush the tank after TR or
PM project with HOT neat asphalt.
– Attention to contamination
– Ta...
Truck Contamination
 Truck must be cleaned before loading
different materials
 Some truckers use diesel oil to prevent
p...
Specification
Systems

Penetration
Grading
System

Viscosity
Grading
System

Superpave
PG Grading
System

Other
Systems
Penetration Specification
 Five grades (original binder):
− 40 - 50
− 60 - 70
− 85 - 100
− 120 - 150
− 200 - 300
Viscosity
Grading
System

Original Binder
(AC)

Aged Residue
(AR)
Penetration Grades
Viscosity, 60C (140F)

AC 40
100
50

AC 20
60
70

120
150
10
5

200
300

AR 4000

AC 5

85
100

AR 8000...
Superpave PG Grading System
 Developed in 1990s during SHRP
 Fundamental Properties
– Related to Pavement Performance?

...
Superpave Asphalt Binder
Specification
The grading system is based on Climate:
In-Service Pavement Temperatures

PG XX - Y...
AASHTO and ASTM requirements
And much more!!!

RV

DSR

RTFO

BBR

PAV
CalTrans PG-Grades
CalTrans Modified PG-Grades
 PG 58-34PM (Open Grades & Night Paving)
 PG64-28PM (working horse for the State)
 PG76-22P...
Implementation
4 unmodified PG-binders “Jan 06”
Replace PBA specs with PG-PM “Jan 07”
Asphalt Rubber base “PG64-16 & PG582...
PG for rubberized binders
 AB 338
 2007: min. 6.0 lb/ mix ton
 2010: min. 7.5 lb / mix ton
 2013: min. 10.5 lb / mix t...
Mix Designs
 A change order needed for ongoing projects
– New projects will have PG-M

 Suppliers will include temp/vis ...
UC Berkley hVS Study
performance

PG64-28NVTR
PG76-22NVTR
I-40 Report
(Caltrans / Asphalt institute)
PMTR-M Projects
District 1 (HWY 101 – Del Norte County)
PMTR-M Projects
District 2 (hwy 44 – city of redding)
PMTR-M Projects
San Diego County

Play Video
PMTR-M Projects
Siskiyou County

Play Video
TR Projects
Riverside
Paramount Asphalt

www.ParamountAsphalt.com
Questions and Answers
Thank You!
Edgard Hitti
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Edgard Hitti

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Presentation by Edgard Hitti of Paramount Petroleum, "Asphalt Binder Update -- New Specification on PG-M" delivered at the CalAPA Fall Asphalt Pavement Conference Oct. 24, 2013 in Sacramento, Calif.

Published in: Business, Technology
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Edgard Hitti

  1. 1. Paramount Asphalt A subsidiary of ALON USA Performance –Graded (PG) Binders Paramount Petroleum Corporation 14700 Downey Ave Paramount, CA 90723 Edgard Hitti Director of Asphalt Technical Services
  2. 2. Overview  How it is made  Then & Now  Specifications grading  Why, When & How?  How will it affect you?  Q&A
  3. 3. Production Of Modified Asphalt H Bases S Bases Modifier Polymer, rubbers, etc… Grade
  4. 4. Production Of Modified Asphalt  Very delicate process  Requires computerized system
  5. 5. PMA Plant
  6. 6. 6
  7. 7. Long Term Storage  Up to 2 weeks Neat asphalt Avoid aging & increase viscosity 300-320oF Prevent PMA PG-M, PG-PM, PG-TR degradation
  8. 8. Extended Storage  More than 3 weeks <300oF 250-300  Neat asphalt: – no heat  PMA (PG-PM, PG-TR, PG-M): – No heat – Polymer has the tendency to over swell & degrade
  9. 9. Formation Of Coked Material     Around heating coil Excessive heat for an extended period Loss in heat efficiency Improper maintenance – Inspection on yearly basis  Solution: – Empty the tank and physically remove the material around the coils
  10. 10. Coked Material Hardened asphalt around the heating coils Coked material Pipe Asphalt Heating oil
  11. 11. Coked Material  Very hard & brittle materials
  12. 12. Heating Oil Leakage  Minor leakage can drop viscosity from 2000 to 100 poise  Monitor viscosity or heating fluid  Solution: – Material is transferred to another tank and re-blend to bring it back to spec.
  13. 13. Flushing  Good practice to flush the tank after TR or PM project with HOT neat asphalt. – Attention to contamination – Tank completely empty
  14. 14. Truck Contamination  Truck must be cleaned before loading different materials  Some truckers use diesel oil to prevent plugging of the valves (BAD PRACTICE) Area filled with diesel oil
  15. 15. Specification Systems Penetration Grading System Viscosity Grading System Superpave PG Grading System Other Systems
  16. 16. Penetration Specification  Five grades (original binder): − 40 - 50 − 60 - 70 − 85 - 100 − 120 - 150 − 200 - 300
  17. 17. Viscosity Grading System Original Binder (AC) Aged Residue (AR)
  18. 18. Penetration Grades Viscosity, 60C (140F) AC 40 100 50 AC 20 60 70 120 150 10 5 200 300 AR 4000 AC 5 85 100 AR 8000 AC 10 40 50 AR 16000 AR 2000 AC 2.5 AR 1000
  19. 19. Superpave PG Grading System  Developed in 1990s during SHRP  Fundamental Properties – Related to Pavement Performance?  Binder Contributions to – Rutting, Fatigue and Thermal Cracking    Environmental Factors or Climate In-Service & Construction Temperatures Short- and Long-Term Aging
  20. 20. Superpave Asphalt Binder Specification The grading system is based on Climate: In-Service Pavement Temperatures PG XX - YY Performance Grade Min pavement temperature Average 7-day max pavement temperature
  21. 21. AASHTO and ASTM requirements And much more!!! RV DSR RTFO BBR PAV
  22. 22. CalTrans PG-Grades
  23. 23. CalTrans Modified PG-Grades  PG 58-34PM (Open Grades & Night Paving)  PG64-28PM (working horse for the State)  PG76-22PM (Desert Area, Stiffer binder, higher traffic applications)  Effective Jan 01, 2007 to replace all PBA specs
  24. 24. Implementation 4 unmodified PG-binders “Jan 06” Replace PBA specs with PG-PM “Jan 07” Asphalt Rubber base “PG64-16 & PG5822”  AMRL certification “Jan 07”  PG-TR Specs (Terminal Blend Specs) Jan 08   
  25. 25. PG for rubberized binders  AB 338  2007: min. 6.0 lb/ mix ton  2010: min. 7.5 lb / mix ton  2013: min. 10.5 lb / mix ton  AB513  $2 for every 12 lb of crumb rubber = 1 PTE  Calrecycle requirements:  min. 15% crumb tire derived & processed in CA  PG-PM and PG-TR has been combined under one spec: PG-M  PG58-34M, PG64-28M and PG76-22M  PG76-22R – R18 for Chip Seal
  26. 26. Mix Designs  A change order needed for ongoing projects – New projects will have PG-M  Suppliers will include temp/vis curves for compaction and construction temp.  Call your supplier for recommendations
  27. 27. UC Berkley hVS Study
  28. 28. performance PG64-28NVTR PG76-22NVTR
  29. 29. I-40 Report (Caltrans / Asphalt institute)
  30. 30. PMTR-M Projects District 1 (HWY 101 – Del Norte County)
  31. 31. PMTR-M Projects District 2 (hwy 44 – city of redding)
  32. 32. PMTR-M Projects San Diego County Play Video
  33. 33. PMTR-M Projects Siskiyou County Play Video
  34. 34. TR Projects Riverside
  35. 35. Paramount Asphalt www.ParamountAsphalt.com
  36. 36. Questions and Answers Thank You!

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