A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Seasonal Deterioration of Unsurfaced Roads
Spring thaw is a critical time of year for road deterioration. The types of deterioration or distresses most common during spring on unpaved roads are rutting and roughness, which is often in the form of washboards (also called corrugations). These distresses were observed over several years and were studied using standard pavement deterioration models, such as MMOPP (Mathematical Model of Pavement Performance). These types of models are usually designed for paved roads, and are sometimes limited in their options for soil characterization and manipulation of the forces at the road-tire interface. Therefore, a finite element model of the tire-road interaction was also developed. Various finite element models were generated to simulate an unpaved secondary road subjected to local vehicle traffic. These models were implemented in a three-dimensional dynamic analysis with a wheel rolling over the soil. Simulations of the unpaved road were used to study the effects of vehicle speed, load, suspension system, wheel torque, wheel slip, etc., on rutting and washboard formation. Results are discussed with regard to field measurements and observations.
Seasonal Deterioration of Unsurfaced Roads
Spring thaw is a critical time of year for road deterioration. The types of deterioration or distresses most common during spring on unpaved roads are rutting and roughness, which is often in the form of washboards (also called corrugations). These distresses were observed over several years and were studied using standard pavement deterioration models, such as MMOPP (Mathematical Model of Pavement Performance). These types of models are usually designed for paved roads, and are sometimes limited in their options for soil characterization and manipulation of the forces at the road-tire interface. Therefore, a finite element model of the tire-road interaction was also developed. Various finite element models were generated to simulate an unpaved secondary road subjected to local vehicle traffic. These models were implemented in a three-dimensional dynamic analysis with a wheel rolling over the soil. Simulations of the unpaved road were used to study the effects of vehicle speed, load, suspension system, wheel torque, wheel slip, etc., on rutting and washboard formation. Results are discussed with regard to field measurements and observations.
Seasonal Deterioration of Unsurfaced Roads
Shoop, S. (author) / Haehnel, R. (author) / Janoo, V. (author) / Harjes, D. (author)
11th International Conference on Cold Regions Engineering ; 2002 ; Anchorage, Alaska, United States
Cold Regions Engineering ; 311-322
2002-05-08
Conference paper
Electronic Resource
English
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