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Asphalt Binder Types and Uses 1
Types & Uses of Asphalt Materials
Senior/GraduateHMA Course
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Asphalt Binder Types and Uses 2
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Asphalt Binder Types and Uses 3
BitumenBitumen
Tar(from coal)• road tar• coal tar
Asphalt Binder (from petroleum crude)• asphaltic bitumen• asphaltic binder
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Asphalt Binder Types and Uses 4
ASPHALTSASPHALTS
• Asphalt Binders
• Cutbacks
• Emulsions
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Asphalt Binder Types and Uses 5
• Asphalt concrete• Asphalt paving
mix• Asphalt mix• Asphalt
Hot Mix Asphalt Hot Mix Asphalt (HMA)(HMA)
• Bituminous concrete• Bituminous paving
mix• Bituminous mix
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Asphalt Binder Types and Uses 6
Significant Crude Oil Significant Crude Oil SourcesSources
Domestic• Gulf coast• Mid-continent• Rocky Mountain• West coast• Alaska
Foreign• Mexico• Venezuela• Canada• Middle East
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Asphalt Binder Types and Uses 7
Asphalt Binder is Generally
Produced in a Refinery
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Asphalt Binder Types and Uses 8
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Asphalt Binder Types and Uses 9
Basics of Refining Crude OilBasics of Refining Crude Oil
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Asphalt Binder Types and Uses 10
Asphalt Binders are broken down into 2 components:
• Asphaltenes and resins• OilsBlended to produce asphalt binders of
desired properties
Solvent DeasphaltingSolvent Deasphalting
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Asphalt Binder Types and Uses 11
Asphalt binder is broken down into 3 components:
• Asphaltenes• Resins• OilBlended to produce asphalt binder of
desired properties
Residuum Oil Residuum Oil Supercritical Extraction Supercritical Extraction
(Rose)(Rose)
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Asphalt Binder Types and Uses 13
Batch Plant
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Asphalt Binder Types and Uses 14
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Asphalt Binder Types and Uses 15
Continuous Mix Drum Plant
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Asphalt Binder Types and Uses 16
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Asphalt Binder Types and Uses 17
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Asphalt Binder Types and Uses 18
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Asphalt Binder Types and Uses 19
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Asphalt Binder Types and Uses 20
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Asphalt Binder Types and Uses 21
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Asphalt Binder Types and Uses 22
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Asphalt Binder Types and Uses 23
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Asphalt Binder Types and Uses 24
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Asphalt Binder Types and Uses 25
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Asphalt Binder Types and Uses 26
Cutback AsphaltsCutback Asphalts
Rapid Curing (RC)Asphalt + NaphthaSurface Treatment
RC - 30RC - 70
RC - 250RC - 800
Medium Curing (MC)Asphalt + Kerosene
Stockpile PatchPrime Coat
MC - 30MC - 70
MC - 250MC - 800
Slow Curing (SC)Asphalt + Oil
SC - 70SC - 250SC - 800
SC - 3000
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Asphalt Binder Types and Uses 27
30 70 250 800 3000
COMPOSITION OF CUTBACK ASPHALTS
RC = Naphtha; MC = Kerosene SC = Light Oil
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Asphalt Binder Types and Uses 28
CUTBACKS - USESCUTBACKS - USES• Rapid Curing
– Tack coats– Surface treatments
• Medium curing– Prime coats– Stockpile patching materials– Road Mixing Operations
• Slow curing– Prime Coats– Stockpiling– Road mixing
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Asphalt Binder Types and Uses 29
EMULSIONS - MANUFACTUREEMULSIONS - MANUFACTURE
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Asphalt Binder Types and Uses 30
EMULSIONS - USESEMULSIONS - USES• Slow Setting (SS)
– Tack coats, fog seals, dense-graded cold mixes• Medium Setting (MS)
– Open graded cold asphalt-aggregate mixtures• Rapid Setting
– Surface treatments
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Asphalt Binder Types and Uses 31
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Asphalt Binder Types and Uses 36
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Asphalt Binder Types and Uses 37
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Asphalt Binder Types and Uses 38
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Asphalt Binder Types and Uses 39
QUESTIONS ?