Effects of Heavy Vehicle Characteristics on Pavement Response and Performance---Phase II
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Effects of Heavy Vehicle Characteristics on Pavement Response and Performance---Phase II

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  • Creators:
    Gillespie, Thomas D.
  • Subject/TRT Terms:
  • Resource Type:
    Tech Report
  • Abstract:
    The objective of this research was to analyze and evaluate the interaction between heavy vehicle characteristics and pavement performance for application in pavement management. Heavy vehicle (truck and bus) characteristics include tire types (bias ply, radial, low profile radial, and "super-single"), tire pressures, tire contact (area and load distribution), tire configuration (single, dual, and other), suspension systems (variable load, load sharing, and dynamic response), axle configuration (spacing, location, and steering axle), axle static loads, and operating conditions (speeds and acceleration/deceleration). Pavement factors include design (flexible and rigid), operating conditions (high speed and low speed), surface conditions (smooth, rough, jointed), traffic mix, and geometrics. Both static and dynamic interactions between various heavy vehicle and pavement factors were analyzed and evaluated to determine their relationships and relative significance. Analytical and experimental procedures were used to investigate the effects of these interactions on pavement performance and to provide guidelines for use in pavement analysis and design applications.
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