Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
SHRP's Layer Moduli Backcalculation Procedure
Deflection basin measurements for the purpose of structural capacity evaluation are a key component of the SHRP's Long-Term Pavement Performance monitoring program. In the near term, SHRP will apply a backcalculation procedure to these deflection measurements in order to estimate the in situ elastic moduli of the pavement layer materials. Because a standard method for evaluating the structural capacity of flexible pavements from deflection data does not presently exist, SHRP has undertaken a study to develop a layer moduli backcalculation procedure for use in the initial analysis of the SHRP deflection data. The procedure covers not only the software but also the rules and guidelines used in applying the program. The report focuses on the standard procedure used to ensure that the LTPP deflection data analysis is as consistent, productive, and straightforward as possible. The procedure consists of a rigorous set of application rules used to generate data files for direct input into the backcalculation program -- modeling of pavement structure and layer moduli ranges or initial moduli. Additional rules address the subsequent evaluation of the backcalculation results. (Copyright (c) 1993 National Academy of Sciences.)
SHRP's Layer Moduli Backcalculation Procedure
Deflection basin measurements for the purpose of structural capacity evaluation are a key component of the SHRP's Long-Term Pavement Performance monitoring program. In the near term, SHRP will apply a backcalculation procedure to these deflection measurements in order to estimate the in situ elastic moduli of the pavement layer materials. Because a standard method for evaluating the structural capacity of flexible pavements from deflection data does not presently exist, SHRP has undertaken a study to develop a layer moduli backcalculation procedure for use in the initial analysis of the SHRP deflection data. The procedure covers not only the software but also the rules and guidelines used in applying the program. The report focuses on the standard procedure used to ensure that the LTPP deflection data analysis is as consistent, productive, and straightforward as possible. The procedure consists of a rigorous set of application rules used to generate data files for direct input into the backcalculation program -- modeling of pavement structure and layer moduli ranges or initial moduli. Additional rules address the subsequent evaluation of the backcalculation results. (Copyright (c) 1993 National Academy of Sciences.)
SHRP's Layer Moduli Backcalculation Procedure
1993
36 pages
Report
Keine Angabe
Englisch
Highway Engineering , Construction Equipment, Materials, & Supplies , Transportation & Traffic Planning , Transportation , Road Transportation , Pavement deflections , Modulus of elasticity , Stress analysis , Subgrades , Concrete pavements , Asphalt pavements , Layers , Pavement bases , Mathematical models , Road materials , Bituminous concrete , Mechanical properties , Viscosity , Highway design , Portland cement , Backcalculation
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