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 Serial/Series Title: Research report (University of Texas at Austin. Center for Transportation Research)
 Collection: Texas State Publications
The rigid pavement database: overview and data collection plan

The rigid pavement database: overview and data collection plan

Date: June 1998
Creator: Turen, Tracy; McCullough, B. Frank & Dossey, Terry
Description: "In order to keep the rigid pavement (RP) database current and statistically representative of Texas' pavements, periodic reassessments of the database must be made in order to obtain updated sampling plans and new recommendations for future data collection. This report documents a study of the twenty-four-year database, examines the past and current demographics of the data, and identifies the need for improvement in critical areas."
Contributing Partner: UNT Libraries Government Documents Department
Correlation of field performance to Hamburg Wheel Tracking Device results

Correlation of field performance to Hamburg Wheel Tracking Device results

Date: September 2001
Creator: Yildirim, Yetkin & Kennedy, Thomas William, 1938-
Description: This report presents the results and findings of the first year of this 5-year research project that evaluated the laboratory-field correlation for the Hamburg Wheel Tracking Device (HWTD) equipment.
Contributing Partner: UNT Libraries Government Documents Department
The Texas rigid pavement database annual report, 1999

The Texas rigid pavement database annual report, 1999

Date: November 2003
Creator: Medina, Cesar; Dossey, Terry & McCullough, B. Frank
Description: "This report analyzes and evaluates new information collected in 1998 for the jointed concrete pavement (JCP) database, which currently comprises information on 137 test sections. This report demonstrates the relevance of maintaining the rigid pavement database (RPDB)."
Contributing Partner: UNT Libraries Government Documents Department
Comparison of hot rubber crack sealants to emulsified asphalt crack sealants (first report of a three-year study)

Comparison of hot rubber crack sealants to emulsified asphalt crack sealants (first report of a three-year study)

Date: August 2004
Creator: Yildirim, Yetkin; Solaimanian, Mansour & Kennedy, Thomas W.
Description: "This report presents the results, findings, conclusions, and recommendations based on the surveys, lab tests, and information collected on the test sections for the first year of a 3 year study. This project is intended to compare the cost-effectiveness, ease and safety of installation, performance, and life-cycle cost for hot rubber asphalt crack sealant, cold pout asphalt emulsion crack sealant, and cold pour asphalt emulsion joint sealant."
Contributing Partner: UNT Libraries Government Documents Department
Guidance for erection and construction of curved I-girder bridges

Guidance for erection and construction of curved I-girder bridges

Date: May 2010
Creator: Stith, Jason; Schuh, Andrew; Farris, Jamie; Petruzzi, Brian; Helwig, Todd; Williamson, Eric et al.
Description: "This report summarizes the methods, results, and recommendations from a research investigation on the behavior of horizontally curved girders during construction. This information provides guidance on critical issues that bridge engineers face when designing curved steel plate I-girders."
Contributing Partner: UNT Libraries Government Documents Department
Laboratory evaluation of influence of operational tolerance (acceptance criterion) on performance of Hot-Mix Asphalt Concrete

Laboratory evaluation of influence of operational tolerance (acceptance criterion) on performance of Hot-Mix Asphalt Concrete

Date: June 2010
Creator: Vazquez, Christian G.; Aguiar-Moya, José Pablo; Smit, Andre de F. & Prozzi, Jorge Alberto
Description: The objective of the study was to determine the effects of variability in key mix design factors, such as asphalt content, gradation, and density, on the laboratory performance of different hot-mix asphalt samples that were mixed and compacted in the laboratory. Variability was kept within specified limits by the allowable operational tolerances, and performance was addressed through the evaluation of the results obtained from volumetric properties and laboratory tests, such as flexural fatigue test, Hamburg wheel-tracking test, and overlay tester. A series of statistical analyses was conducted to develop relationships between the key mix design factors and the observed laboratory performances of each type of mixture. From the analysis, the effects of the main variables on the results of the performance tests used in this study were found. Finally, a statistically-based sensitivity analysis was conducted to reveal the relationship between different tolerance levels and mixture performance for the individual mixtures types.
Contributing Partner: UNT Libraries Government Documents Department
Design and application of accessible land-use modeling tools for Texas regions

Design and application of accessible land-use modeling tools for Texas regions

Date: August 2010
Creator: Kockelman, Kara; Anjomani, Ardeshir; Paul, Binny M.; Nostikasai, Dian; Tayyebi, Ali & Kharel, Gehandra
Description: "This report consists of two parts. The first summarizes key details of the Suitability Analysis (SA) model, while the second illustrates the implementation details of the Gravity Land-Use Model (G-LUM). Both modeling approaches have been applied to the Austing region of Texas, but for different case study examples."
Contributing Partner: UNT Libraries Government Documents Department
Progress during the first year towards building the Total Pavement Acceptance Device (TPAD)

Progress during the first year towards building the Total Pavement Acceptance Device (TPAD)

Date: September 2010
Creator: Stokoe, Kenneth H.; Kallivokas, Loukas F.; Nam, Boo H.; Carpenter, Claire K.; Bryant, Adam D.; Weeks, Damon A. et al.
Description: This report discusses the significant progress that was made towards developing the Total Pavement Acceptance Device (TPAD) during the first year of Project 0-6005.
Contributing Partner: UNT Libraries Government Documents Department
Assessing the environmental justice impacts of toll road projects

Assessing the environmental justice impacts of toll road projects

Date: October 2010
Creator: Prozzi, Jolanda; Carroll, Lindsey; Loftus-Otway, Lisa Dawn; Bhat, Chandra; Paleti, Rajesh & McCray, Talia M.
Description: "The objective of this study was to extend the work that was conducted under TxDOT Research Project 0-5208 by (a) reviewing the ability of available tools and analysis techniques to quantify and qualitatively describe the (environmental justice) EJ impacts associated with toll road projects and toll road systems through an evaluation of state-of-the-practice applications, and (b) recommending a suitable approach to assess the EJ impacts of toll roads and toll road systems on EJ communities."
Contributing Partner: UNT Libraries Government Documents Department
Proposed TxDOT strategic research program

Proposed TxDOT strategic research program

Date: October 2010
Creator: Persad, Khali (Khali Ram), 1956-; Gilliland, Cynthia A. Weatherby; Nash, Phil; Machemehl, Randy B.; Stockton, Bill & Cleveland, Theodore
Description: "This report documents the results of the work conducted by the Center for Transportation Research (CTR) at the University of Texas at Austin, the Texas Transportation Institute (TTI), and The Center for Multidisciplinary Research in Transportation (TechMRT) at Texas Tech University, to assist TxDOT in developing the elements of the SRP."
Contributing Partner: UNT Libraries Government Documents Department
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