A platform for research: civil engineering, architecture and urbanism
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Impact of Heavy Logging Trucks on Flexible Pavement Performance during Spring Thaw
This purpose of this paper is to investigate the impact on flexible pavement performance with truck weights up to 98,000 lbs on six axles that transport loads of raw forest products during spring thaw. Prior to passage of a 2011 state law, Wisconsin DOT could suspend overweight permits for the transportation of raw forest products during the spring-thaw suspension period or impose special weight limits on highways. During one spring thaw cycle that allowed the heavier trucks, measurements were taken for load-related pavement distresses including wheel path longitudinal cracking, rutting, and alligator cracking in adjoining lanes of eleven 2-lane, 2-way highway segments known to carry trucks loaded with logs in one direction and no logs on the return trip. The eleven segments were grouped into two paved surface categories: Marshall mix design (4 segments) and Superpave mix design (7 segments). A segment by segment analysis revealed that one Marshall mix segment (age 13 years) exhibited significantly higher rates of progression in alligator and longitudinal cracking in the loaded lane when compared to the adjoining empty truck lane. In general, higher levels of alligator cracking and rutting were associated with the Marshall mix segments compared to the Superpave segments. Levels of longitudinal cracking were, however, not significantly different between the two surface categories.
Impact of Heavy Logging Trucks on Flexible Pavement Performance during Spring Thaw
This purpose of this paper is to investigate the impact on flexible pavement performance with truck weights up to 98,000 lbs on six axles that transport loads of raw forest products during spring thaw. Prior to passage of a 2011 state law, Wisconsin DOT could suspend overweight permits for the transportation of raw forest products during the spring-thaw suspension period or impose special weight limits on highways. During one spring thaw cycle that allowed the heavier trucks, measurements were taken for load-related pavement distresses including wheel path longitudinal cracking, rutting, and alligator cracking in adjoining lanes of eleven 2-lane, 2-way highway segments known to carry trucks loaded with logs in one direction and no logs on the return trip. The eleven segments were grouped into two paved surface categories: Marshall mix design (4 segments) and Superpave mix design (7 segments). A segment by segment analysis revealed that one Marshall mix segment (age 13 years) exhibited significantly higher rates of progression in alligator and longitudinal cracking in the loaded lane when compared to the adjoining empty truck lane. In general, higher levels of alligator cracking and rutting were associated with the Marshall mix segments compared to the Superpave segments. Levels of longitudinal cracking were, however, not significantly different between the two surface categories.
Impact of Heavy Logging Trucks on Flexible Pavement Performance during Spring Thaw
Owusu-Ababio, S. (author) / Schmitt, R. (author)
International Airfield and Highway Pavements Conference 2019 ; 2019 ; Chicago, Illinois
2019-07-18
Conference paper
Electronic Resource
English
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