PAVEMENT STRUCTURAL EVALUATION AND ANALYSIS

Dynatest's Engineers and Technicians have performed network and project level structural evaluations on thousands of roadway and airfield pavements over the past 40 years. We deploy the Light Weight Deflectometer (LWD), and fleet of Falling Weight Deflectometers (FWDs) and Heavy Weight Deflectometers (HWDs) to accurately measure load-induced pavement deflections. Our Engineers then analyze the deflection data to determine the structural characteristics of the tested pavements. Using this information, additional pavement analyses may be performed to estimate remaining service life and identify appropriate rehabilitation alternatives. 

 

Key Economic Benefits

  • Development of more economical pavement rehabilitation designs based on mechanistic-empirical structural analysis rather than pure engineering judgment

  • Proactive identification of early-stage structural problems, which enables the development of economical, pre-failure rehabilitation solutions

  • Practical testing plans developed by our experienced Engineers combined with Dynatest's FWD and HWD rapid testing capabilities result in competitive testing and data analysis costs 

 

Key Engineering Benefits

  • Mechanistic-empirical analysis techniques may be applied to deflection data in order to obtain a better understanding of the in-situ response of pavement structures under loading

  • Seasonal environmental effects on pavement load carrying capacity may be quantified through structural evaluations and used to establish practical loading restrictions

  • Forensic structural testing and analysis may assist in identifying underlying causes of failure

  • Routine structural testing during pavement construction and rehabilitation projects may be used for quality control 

 

Application Example

Dynatest Consulting performed Falling Weight Deflectometer testing at 160 m (0.1 miles) intervals in both directions of the Parks Highway between Anchorage and Fairbanks. Uniform sections were monitored on a regular basis in connection with the Alaska DOT&PF's pavement management program, and appropriate maintenance and rehabilitation strategies are determined annually for all key pavement sections along this 560 km (350 miles) main highway that links Alaska's two largest cities.