A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluation of Increased Pavement Loading. Volume 1. Research Results and Findings
The effects of increased truck loads and higher tire pressures on performance of flexible pavements were investigated in the project. Volume 1 report presents the research performed and the useful results obtained. Tire pressure studies were performed using both in-field measurements and theoretical simulations of the effects of tire pressures on pavements. Higher tire pressures were found, in general, to reduce pavement life. A new mechanistic damage model was developed to allow the evaluation of the effects of loads and tire pressures on pavements. A new set of equivalence factors were developed using the damage models. The resulting equivalence factors were incorporated into a computer program to calculate 18-kip equivalent single axle loads. The programs also have the capability to use the AASHTO equivalence factors for the calculation as a basis for comparison. These programs were developed for both static truck weight measurements and weigh-in-motion measurements. A mechanistic pavement design program was also develped using the damage models in order to generate pavement designs that are compatible with the new mechanistic load equivalence factors.
Evaluation of Increased Pavement Loading. Volume 1. Research Results and Findings
The effects of increased truck loads and higher tire pressures on performance of flexible pavements were investigated in the project. Volume 1 report presents the research performed and the useful results obtained. Tire pressure studies were performed using both in-field measurements and theoretical simulations of the effects of tire pressures on pavements. Higher tire pressures were found, in general, to reduce pavement life. A new mechanistic damage model was developed to allow the evaluation of the effects of loads and tire pressures on pavements. A new set of equivalence factors were developed using the damage models. The resulting equivalence factors were incorporated into a computer program to calculate 18-kip equivalent single axle loads. The programs also have the capability to use the AASHTO equivalence factors for the calculation as a basis for comparison. These programs were developed for both static truck weight measurements and weigh-in-motion measurements. A mechanistic pavement design program was also develped using the damage models in order to generate pavement designs that are compatible with the new mechanistic load equivalence factors.
Evaluation of Increased Pavement Loading. Volume 1. Research Results and Findings
S. W. Hudson (author) / S. B. Seeds (author) / F. N. Finn (author) / R. F. Carmichael (author)
1988
226 pages
Report
No indication
English
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