The FHWA test road: construction and instrumentation

Public Roads, June, 1992 by Kevin Black, William Kenis

References

(1) David A. Anderson, Walter P. Kilareski, and Zahur Siddiqui. Pavement Testing Facility: Design and Construction, Publication No. FHWA-RD-88-059, Federal Highway Administration, Washington, DC, August 1988.

(2) David A. Anderson, Peter Sebaaly, Nader Tabatabaee, Ramon Bonaquist, and Charles Churilla. Pavement Testing Facility: Pavement Performance of the Initial Two Test Sections, Publication No. FHWARD-88-060, Federal Highway Administration, Washington, DC, December 1988.

(3) Stuart W. Hudson, Virgil L. Anderson, Paul Irick, and R. Frank Carmichael III. Impact of Truck Characteristics on Pavement Truck Load Equivalency Factors, Publication No. FHWA-RD-91-064, Federal Highway Administration, Washington, DC, March 1991.

(4) W.J. Kenis and Gustav Rhode. "Primary Response Under Heavy Truck Traffic," paper presented at the Seventh International Conference on the Design of Asphalt Pavements, Cambridge, England, August 1992.

(5) W.J. Kenis. "Flexible Pavement Strain Response Under Moving Truck Traffic." paper presented at the Engineering Foundation Conference: Vehicle Road Interaction II, Santa Barbara, CA, June 1992.

(6) Road and Bridge Specification, Virginia Department of Transportation, Richmond, VA, January 1987.

Kevin Black is a highway engineer in the Materials Branch, Construction and Maintenance Division, of the Federal Highway Administration (FHWA). Formerly, he was with the Pavements Division in the Office of Research and Development.

William Kenis is Program Manager for FHWA's Truck/Pavement Interaction high priority area in the Pavements Division, Office of Research and Development.

  Table 1.--Summary of instruments and functions
Instrument         Measured property   Experiment
"H" strain gauge    Strain               Dynamics
ARC strain gauge    Strain               Response
Single layer      Deflection             Response
deflectometer
Multilayer        Deflection             Response
deflectometer
Moisture cell    Moisture content
Environment
Thermocouple      Temperature
Environment
  Table 2.--Factors and levels in experiment
Factors                       Levels
Pavement structure--(PVMT)    weak, strong
Instruments nested in         4-sets (a duplicate set
pavement--(INST)              in each pavement
Axle type                     Single, tandem,
                              tridem
Axle load                     Low, Medium, High
Tire pressure                 515-kPa (75-psi)
                              760-kPa (110-psi)
Speed                         8-km/h (5-mi/h)
                              72-km/h (45-mi/h)

TABULAR DATA OMITTED