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Presents. Stantec Meeting. Agenda. Topic Duration Presenter Participant Introduction 5 Min Foster DiFiore (DiFiore Group) What is Foamed Asphalt? 15 Min Tim Kowalski What are its physical characteristics (Wirtgen America) Expansion ratio Half life Optimization

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Presentation Transcript
agenda
Agenda

Topic DurationPresenter

Participant Introduction 5 Min Foster DiFiore

(DiFiore Group)

  • What is Foamed Asphalt? 15 Min Tim Kowalski
    • What are its physical characteristics (Wirtgen America)
      • Expansion ratio
      • Half life
      • Optimization
    • Foam mix design process
  • Uses of Foamed Asphalt 15 Min Tim Kowalski
    • Cold In Place Recycling
    • Full Depth
    • Plant Produced
  • Job Specific Plant Produced illustrations (Web Driven) 18 Min Dave Galeazzo
    • Lake Road Video Foster DiFiore
    • Job Reports
      • Lake Road
      • Bernard's Grove
      • Sweden Town Park
      • Webster Schools
      • Xerox Re
  • Testing QA/QC considerations 15 Min Greg Samios (EDP)
    • Marshall mix consideration
    • Layer coefficients
    • Typical sections
  • Questions/Discussions 20 Min All
foam mix design process

Sieve Size (mm

0.075

0.015

0.300

0.600

1.18

2.36

4.75

9.5

12.5

19.0

25.0

37.5

50.0

% Passing

5.5

7.9

11.5

18.5

27.1

41.2

62.8

79.0

84.2

93.3

99.4

100.0

100.0

Foam Mix Design Process
foamed asphalt process1
Foamed Asphalt Process
  • Cold In Place Recycling
foamed asphalt process2
Foamed Asphalt Process
  • Plant Produced – KMA 200
quality control
Quality Control
  • Plant Produced KMA-200
      • Consistency and Performance
qa qc overview
QA/QC Overview
  • Testing QA/QC considerations
  • Structural layer coefficients
  • Typical sections
qa qc fieldwork
QA/QC Fieldwork
  • Verification of application rates
  • Sample treated materials
  • Cast briquettes at varying densities using Marshall hammer
    • 3 briquettes at 50 blows per side
    • 3 briquettes at 75 blows per side
    • 3 briquettes at 112 blows per side
  • Measure briquettes for wet density
  • Complete density testing of reclaimed pavement using heavy-duty Marshall density, i.e. 75 blows per side
qa qc fieldwork cont
QA/QC Fieldwork cont.
  • Moisture content testing
    • Completed at plant location
    • Completed during placement
  • Verification of placement depths
qa qc follow up testing
QA/QC Follow-up Testing
  • Briquettes are cured using same methods as completed during the mix design
  • Strength testing completed for
    • Dry ITS
    • Soaked ITS
    • Soaked stability and flow
qa qc follow up testing1
QA/QC Follow-up Testing
  • Develop polynomial trend lines using strength and field wet density values
  • Estimate in-place strength of SBC at each compaction test location
    • Dry ITS
    • Soaked ITS
    • Stability