Materials and Performance Data for Texas Flexible Pavements and Overlays
Author | : Lubinda F. Walubita |
Publisher | : |
Total Pages | : |
Release | : 2011 |
Genre | : Pavements, Flexible |
ISBN | : |
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Author | : Lubinda F. Walubita |
Publisher | : |
Total Pages | : |
Release | : 2011 |
Genre | : Pavements, Flexible |
ISBN | : |
Author | : Sang Ick Lee |
Publisher | : |
Total Pages | : 90 |
Release | : 2017 |
Genre | : Information storage and retrieval systems |
ISBN | : |
Proper calibration and validation of pavement design and performance models to Texas conditions is essential for cost-effective flexible pavement design, performance predictions, and maintenance/rehab strategies. The veracity of the calibration of the Texas Department of Transportation pavement design models will determine how optimally billions of dollars of future roadway investment capital will be spent. For proper calibration/validation and tangible benefits, quality and reliable pavement performance data should be collected on a sustained basis. In order to accomplish the task of data collection, this five-year project was initiated to develop a comprehensive data storage system (DSS) of material properties and performance data for Texas flexible pavements and overlays. The objective of the project was to collect materials and pavement performance data on a minimum of 100 highway test sections around Texas. In total, the SS comprises 112 highway test sections scattered across Texas. This report documents all the work performed, methods used, and results ompleted throughout the project. These tasks included gathering design and construction data of test sections, executing laboratory and field performance testing, collecting traffic and climate data, and developing the data repository system consisting of the DSS and a raw data storage system (RDSSP). Finally, recommendations for the continuation of data collection to enable further calibration of performance models are given.
Author | : Lubinda F. Walubita |
Publisher | : |
Total Pages | : |
Release | : 2011 |
Genre | : Pavements, Flexible |
ISBN | : |
Author | : Sang Ick Lee |
Publisher | : |
Total Pages | : 86 |
Release | : 2017 |
Genre | : Information storage and retrieval systems |
ISBN | : |
This five--year project was initiated to collect materials and pavement performance data on a minimum of 100 highway test sections around the state of Texas, incorporating both flexible pavements and overlays. Besides being used to calibrate and validate mechanistic-empirical (M-E) design models, the data collected will also serve as an ongoing reference data source and/or diagnostic tool for Texas Department of Transportation engineers and other transportation professionals. Toward this goal, this second interim report provides documentation of the work performed from Year 1 through Year 5 of this project, focusing on Phases II and III activities, including the following: (a) collection, processing, and analysis of laboratory and field data; (b) data population and update in the data storage system (DSS) and raw data storage system for the project 0-6658 (RDSSP), respectively; (c) development of M-E calibration plans and guideline; and (d) preliminary calibration of the M-E models and software to Texas conditions using the collected data in the DSS.
Author | : K. Anupam |
Publisher | : CRC Press |
Total Pages | : 501 |
Release | : 2020-12-08 |
Genre | : Juvenile Nonfiction |
ISBN | : 1000343480 |
Inspired from the legacy of the previous four 3DFEM conferences held in Delft and Athens as well as the successful 2018 AM3P conference held in Doha, the 2020 AM3P conference continues the pavement mechanics theme including pavement models, experimental methods to estimate model parameters, and their implementation in predicting pavement performance. The AM3P conference is organized by the Standing International Advisory Committee (SIAC), at the time of this publication chaired by Professors Tom Scarpas, Eyad Masad, and Amit Bhasin. Advances in Materials and Pavement Performance Prediction II includes over 111 papers presented at the 2020 AM3P Conference. The technical topics covered include: - rigid pavements - pavement geotechnics - statistical and data tools in pavement engineering - pavement structures - asphalt mixtures - asphalt binders The book will be invaluable to academics and engineers involved or interested in pavement engineering, pavement models, experimental methods to estimate model parameters, and their implementation in predicting pavement performance.
Author | : Feng Hong |
Publisher | : |
Total Pages | : 84 |
Release | : 2008 |
Genre | : Pavements, Flexible |
ISBN | : |
Author | : Sheng Hu |
Publisher | : |
Total Pages | : 144 |
Release | : 2019 |
Genre | : Asphalt concrete |
ISBN | : |
The Texas Mechanistic-Empirical flexible pavement design system (TxME) allows Texas pavement designers to take full advantage of new or premium materials, with a full consideration of the influential factors including pavement structure, traffic volume, and environmental condition. To further enhance and implement the software, extensive lab testing was conducted to develop default material properties. These properties include the default dynamic modulus, rutting and cracking properties of asphalt concrete (AC) mixtures, and moduli of other layer materials. Specifically, the relationships between reclaimed asphalt pavement/reclaimed asphalt shingles contents and the AC material properties were established and incorporated into the TxME. In addition, default load spectra and initial construction cost analysis were integrated into the TxME. All these features greatly enhanced the practicality and ease of using TxME when conducting pavement design. The Texas Flexible Pavement Database was used to calibrate the TxME performance models. The calibrated TxME was then employed to predict performance of 11 identified test sections located in six different districts. The comparison between the TxME predictions and the field performance survey results further confirmed the validation of the calibrated performance models. Overall, the current TxME is practical, user-friendly, and ready for statewide implementation.