Project Report on the Continued Development and Analysis of the Flexible Pavements Database Page: I
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Technical Report Documentation Page
1. Report No. 2. Government 3. Recipient's Catalog No.
FHWA/TX- 11/0-6275-1 Accession No.
4. Title and Subtitle 5. Report Date
Project Report on the Continued Development and Analysis of February 2011
the Flexible Pavement Database Published February 2012
6. Performing Organization Code
7. Author(s) 8. Performing Organization Report No.
Jorge A. Prozzi, Andre de F. Smit, Jose Pablo Aguiar-Moya, 0-6275-1
Prasad Sivaram, and Ambarish Banerjee
9. Performing Organization Name and Address 10. Work Unit No. (TRAIS)
Center for Transportation Research 1. Contract or Grant No.
The University of Texas at Austin 0-6275
1616 Guadalupe St, Suite 4.202
Austin, TX 78701
12. Sponsoring Agency Name and Address 13. Type of Report and Period Covered
Texas Department of Transportation Technical Report
Research and Technology Implementation Office March-October 30, 2009
P.O. Box 5080
Austin, TX 78763-5080 14. Sponsoring Agency Code
15. Supplementary Notes
Project performed in cooperation with the Texas Department of Transportation and the Federal Highway
Administration.
Project Title: Continued Development and Analysis of the Flexible Pavement Database
16. Abstract
The original scope of TxDOT Research Project 0-6275 included continuing the development of the Texas Flexible
Pavement database (TFPD) developed as part of Research Project 0-5513. The objective of 0-5513 was to deliver a database
capable of hosting the data necessary for new pavement design models that would result in more reliable and economical
pavement design. The objective of 0-6275 was to continue the data collection and data population of the flexible pavement
databases and to calibrate the models (transfer functions) used in the new MEPDG as well as TxDOT's mechanistic design
checks. In addition, this new project was to review the development conducted in 0-5513 to evaluate whether the database created
covered the inference space of pavements in Texas and to make the necessary additions and changes. Therefore, the efforts of 0-
6275 were primarily twofold. One aspect was geared towards extensive performance monitoring and material testing for better
characterization of the experimental sections included as part of 0-5513 as well as new sections that were to be incorporated in
the enhanced version of the TFPD. The other aspect of the study was to look into the calibration of the transfer functions in the
newly developed MEPDG as well as Texas ME Design procedure being sponsored by TXDOT through the 0-5798 research
study. It was understood that an effort to determine reliable bias correction factors would necessitate a large volume of project-
specific information for a number of pavement sections that are well spread out within the state such that differences in materials,
traffic, construction practices and climate are captured. The TFPD supplemented by other databases like the DCIS and the LIMS
will ensure that the data needs for the calibration exercise are met and fulfilled to the extent possible. When time series data were
not available, the researchers utilized relevant data from the FHWA's Long Term Pavement Performance Studies (LTPP). This
interim report summarizes the activities performed during the first 7 months of the project, when the current project was
terminated. Therefore, this document reports on the work performed in Tasks I through 7.
17. Key Words 18. Distribution Statement
Pavement Management Information System, No restrictions. This document is available to the
Mechanistic-Empirical Pavement Design, Long Term public through the National Technical Information
Pavement Performance, Pavement Design Service, Springfield, Virginia 22161; www.ntis.gov.
19. Security Classif. (of report) 20. Security Classif. (of this page) 21. No. of pages 22. Price
Unclassified Unclassified 50
Form DOT F 1700.7 (8-72) Reproduction of completed page authorized
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Banerjee, Ambarish; Aguiar-Moya, José Pablo; Sivaram, Prasad; Smit, Andre de F. & Prozzi, Jorge Alberto. Project Report on the Continued Development and Analysis of the Flexible Pavements Database, report, February 2011; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth281719/m1/3/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.