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Environmental Room Housing APLF

  • Dimensions: 80 ft long × 40 ft wide × 18 ft high
  • Air Temperature: 10° to 130° Fahrenheit
  • Humidity: 0 to 100%
  • Access doors on both ends: 24 ft wide × 14 ft high
 Test Pit
  • Dimensions: 45 ft long × 38 ft wide × 8 ft deep
  • Asphalt and portland cement concrete pavement can be tested
  • Moisture can be added to subgrade through pipes on the pit floor
  • Walls and floors are reinforced concrete waterproofed to retain subgrade moisture
 Load Mechanism
  • Load Range: 9,000 lb to 30,000 lb reciprocating wheel load
  • Test Directions: unidirectional or bidirectional
  • Test length: 35 ft
  • Tires: Standard single, standard duals, and wide-base single
  • Lateral Wheel Wander: Random to ±10 inches optional
  • Test Speed: up to 5 mph
  • Load Applications per Hour: 250 for unidirectional tests, 500 for bidirectional test
 Optional Sensor Installation
  • Temperature, moisture and frost depth throughout pavement structure
  • Vertical deflection, longitudinal and lateral horizontal strain, and vertical pressure throughout pavement structure resulting from environmental changes and dynamic loads
  • Dynamic and environmental response, curling and warping, thermal expansion and contraction at joints, and dowel bar performance in rigid pavements

Ohio Research Institute for Transportation and the Environment
Russ College of Engineering and Technology
Ohio University
136 Stocker Center
Athens, OH 45701-2979
Tel: (740) 593-1465
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