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Project History
Reinforcing the Future of Asphalt Worldwide
Jackson Hole Airport
Jackson, WY - June 2009
Project Description:
The Jackson Hole Airport is located at the base of the spectacular Teton Mountains, and is located entirely within Grand Teton National Park. FORTA-FI was used in a 1 1/2" porous friction course on the runway1/19 rehabilitation project. This airport had several unique attributes that demanded a reinforced asphalt mixture:
- 35,000 flights annually with over 300,000 emplanements
- 6,450 feet (1,966m) runway elevation causes planes to land at higher speeds
- 6,300 feet (1,920m) runway length is relatively short for higher speeds and larger aircraft
- Accommodates both smaller planes and larger planes such as 757's and A320's
- 300" (7.62 m) of snow annually
- Snow plowing has caused previous pavement to ravel
- Temperatures can swing from -40°F (-40°C) to 41°F (5°C) in the winter months, and annually from -40°F (-40°C) winter to104°F (40°C) summer
Aggregate
- 50% 3/4" rock
- 30% 1/2" rock
- 20% crusher fines
Asphalt
- PG 64-34
- Specific gravity 1.028
- Mixed at 325°F, placed at 284°F - 302°F
- 5.7% of total mix
Hydrated Lime
- Added at 0.75% of dry aggregate weight
Reinforcing-fibers
- FORTA-FI HMA blend (FIHMA191.0SM)
- Added at 1 lb. per ton, 0.15% per ton dry aggregate
Density
- 152.1 lbs. per cubic foot, (PCF)
Project Participants
Owner: Jackson Hole Airport
Specifier: JACOBS, Denver, CO
Contractor: HK Contractors, Idaho Falls, ID
Fiber: FORTA-FI, HMA Blend 3/4" (19mm) long, #(FIHMA191.0SM)
Fiber Dosage: 1.0 lb./ton
Project Photos
