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  Partner: UNT Libraries Government Documents Department
 Serial/Series Title: Research report (University of Texas at Austin. Center for Transportation Research)
Application guide and specifications for geotextiles in roadway applications

Application guide and specifications for geotextiles in roadway applications

Date: February 2012
Creator: Zornberg, Jorge G.
Description: Abstract: "Geotextiles, one among the different geosynthetic products, can be used for a number of functions or applications in pavement design. The benefits of using geotextiles in pavements and other transportation applications have triggered a proliferation of products. While this abundance of new products has led to reduction in costs, it has also made it difficult for TxDOT personnel to choose appropriate products based on their engineering properties. Consequently, this report provides the basis for (i) guidelines for proper use and selection of geotextiles in pavements, (ii) material specifications for geotextiles in pavement applications, and (iii) draft construction specifications."
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
Comparative study of mechanical and corrosion resistance properties of bridge post-tensioning strands

Comparative study of mechanical and corrosion resistance properties of bridge post-tensioning strands

Date: August 2011
Creator: Mac Lean, Sean Anthony; Breen, J. E. & Kalina, R. D.
Description: This report summarized the exploration of new methods of protection for the strands used in post-tensioning of concrete bridges.
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
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
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
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
Equipment replacement optimization

Equipment replacement optimization

Date: October 2011
Creator: Fan, Wei
Description: "The objective of the Texas Department of Transportation (TxDOT) Research Project 7-4941 is to; determine the best optimization methodology; evaluate commercial fleet management systems; develop the model if this cost-effective relative to purchasing a commercial model; and validate the new model as needed using data available on TxDOT's current fleet."
Contributing Partner: UNT Libraries Government Documents Department
Estimating Texas motor vehicle operating costs : final report

Estimating Texas motor vehicle operating costs : final report

Date: November 2011
Creator: Matthews, Ronald
Description: "This report and its appendices summarize the findings of a 2-year extension to the TxDOT-sponsored study 0-5974 entitled "Estimating Texas Motor Vehicle Costs" undertaken by a Center for Transportation Research (CTR) team of mechanical engineers and economists at The University of Texas at Austin."
Contributing Partner: UNT Libraries Government Documents Department
Fatigue life of steel base plate to pole connections for traffic structures

Fatigue life of steel base plate to pole connections for traffic structures

Date: January 2011
Creator: Stam, Andrew Philip; Frank, Karl H.; Stern, A. P.; Anderson, T. H. & Richman, N. B.
Description: "This is a final report of an extensive experimental and analytical examination of the fatigue behavior of the welded end connection used on high-mast light structures and traffic signal masts. The weld details commonly used for these connections produce very poor fatigue performance. Their performance is a function of base plate stiffness, weld type and geometry, and number of anchor bolts. Recommended connections and their corresponding fatigue strength are given as well as recommended fabrication and welding specifications."
Contributing Partner: UNT Libraries Government Documents Department
Geosynthetic-reinforced unbound base courses: quantification of the reinforcement benefits

Geosynthetic-reinforced unbound base courses: quantification of the reinforcement benefits

Date: February 2012
Creator: Zornberg, Jorge G.
Description: "As part of Research Project 0-4829, a new testing device was developed and a monitoring program was initiated to evaluate the performance of geosynthetics used as reinforcement for unbound base courses. This implementation involves the use of the new testing device and procedures developed by the 0-4829 research project. Specifically, the testing involves a modified pullout device for characterization of the confined stiffness in geosynthetic reinforcements. The project also provides continued monitoring of 32 experimental test sections constructed on FM2 (Bryan District) for the purposes of correlating field performance with material characterization. The experimental component of this implementation project was accomplished by testing four different geosynthetic reinforcement products in order to verify the draft specifications recommended by project 0-4829. The field component of this implementation project involved continued condition survey, moisture monitoring, falling weight deflectometer (FWD) testing, and weather data gathering in order to establish the threshold of the proposed parameter in the new specification based on field performance."
Contributing Partner: UNT Libraries Government Documents Department
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