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Manual for Emulsion-Based Chip Seals for Pavement Preservation (2011) / Chapter Skim
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5.4 EmulsionAggregate Compatibility
Pages 14-14

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From page 14...
... 5.2 Modified or Unmodified Emulsion Modified emulsions usually refer to some sort of elastomeric polymer or rubber added to the emulsion or to the base asphalt binder prior to emulsification. Because modified emulsions should offer greater adhesivity and potentially shorter time required before opening to traffic, they are generally used on higher traffic pavements, where vehicle damage potential is greater and where limited time under traffic control is usually desirable.
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Key Terms

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  • modified emulsions
  • charged aggregates
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  • discussion provides

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  • seal emulsion
  • rubber added
  • positively charged
  • traffic control
  • potentially shorter

  • application rate
  • whenever applying
  • selected based
  • limited time
  • materials selection

  • broken sufficiently
  • required level
  • maximum size
  • aggregate provides
  • shorter time

  • usually refer
  • seal materials
  • base asphalt
  • completed chip
  • preliminary indications


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