Chapter
Apr 26, 2012
Dynamic Backcalculation of Pavement Structure using Multiple Sets of Time-Series Data
Authors: James W. Maina, Kunihito Matsui, Yukio Kikuta, and Takemi InoueAuthor Affiliations
Publication: Geotechnical Engineering for Transportation Projects
Abstract
Backcalculation analysis is generally greatly affected by errors in the measured deflection data. An average of multiple deflection data sets corresponding to a standard load is normally used in static backcalculation in order to reduce effects of these errors. However, this procedure can not be applied in case of time series data. A rather time consuming procedure is used, where backcalculation is performed using each deflection data set and then an average of the backcalculated pavement layer properties is determined. This paper proposes a new method where multiple sets of time series data can be used simultaneously in dynamic backcalculation to determine an average result. Computation time is similar to the case of one data set. Domain of analysis and the number of nodes are also examined.
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Copyright
© 2004 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Case studies
- Computing in civil engineering
- Continuum mechanics
- Data analysis
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Gravels
- Information management
- Infrastructure
- Mathematics
- Methodology (by type)
- Pavement condition
- Pavement deflection
- Pavements
- Research methods (by type)
- Solid mechanics
- Statistics
- Structural analysis
- Structural dynamics
- Structural engineering
- Time series analysis
- Transportation engineering
Authors
Affiliations
James W. Maina
Dept. of Civil and Environmental Engineering, Tokyo Denki University, Hatoyama-Cho, Hiki-Gun, Saitama 350-0394, Japan
Kunihito Matsui
Dept. of Civil and Environmental Engineering, Tokyo Denki University, Hatoyama-Cho, Hiki-Gun, Saitama 350-0394, Japan
Yukio Kikuta
Dept. of Civil and Environmental Engineering, Kokushikan University, 4-28-1 Setagaya, Setagaya-Ku, Tokyo 154-8515, Japan
Takemi Inoue
Research Institute, NIPPO Corporation, 3-32-34 Higashi-Shinagawa, Shinagawa-Ku, Tokyo 140-0002, Japan
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