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Manual for Emulsion-Based Chip Seals for Pavement Preservation (2011) / Chapter Skim
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4.3 Double Seal
Pages 13-13

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From page 13...
... The first chip-seal application uses a maximum size aggregate that is one sieve size larger than that of the second chip seal. In comparison to other seal types, double chip seals provide higher sealing capability, longer service life, less risk of dislodgement of the larger aggregates, smaller aggregate in contact with traffic and snow plows, and a quieter surface.
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Key Terms

  • choke stone
  • chip seals
  • double chip
  • single chip
  • appropriate chip

  • chip size
  • sealing ability
  • maximum size
  • size aggregate
  • double seals

  • aggregate maximum
  • physical requirements
  • stone helps
  • quieter surface
  • size exceeding

  • mum size
  • pavement conditions
  • sieve size
  • double seal
  • gradation shown

  • seal prior
  • produce dislodged
  • seals provide
  • sealing capability
  • limited based

  • application chip
  • volume required
  • size larger
  • size increases
  • snow plows


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