This report presents the preliminary findings from a study conducted to investigate the influence of chemical warm mix asphalt (WMA) additives and reduced aging on the viscosity, stiffness, susceptibility to permanent deformation, fracture resistance, and thermal cracking resistance of asphalt binders.

This report provides information on the third year of the Project 0-6005 test progress towards building the Total Pavement Acceptance Device (TPAD).

"In this report the Center of Transportation Research at The University of Texas at Austin undertook a comprehensive research study to identify and determine when, where, and under what circumstances Texas Department of Transportation (TxDOT) should pursue the implementation of Value Extraction Applications (VEA), and how to effectively recognize and involve key stakeholders."

Report on the existing concrete overlays in Texas and the results of laboratory research on the material selection and construction of concrete overlays.

Abstract: This research project was established by TxDOT's Research and Technology Implementation Office to address special studies required by the department's Administration during FY 2011. Three short-term, quick-turnaround tasks were completed and are documented.

A series of five detailed design examples feature the application of state-of-the-art strut-and-tie modeling (STM) design recommendations. Design components include: Five-Column Bent Cap of a Skewed Bridge, Cantilever Bent Cap, Inverted-T Straddle Bent Cap (Moment Frame), Inverted-T Straddle Bent Cap (Simply Supported), and Drilled-Shaft Footing.

"Megaregion interest has grown strongly in the last decade and is now seen be a growing number of planners as offering effective contributions to problems such as modal congestion, development disparity, and air pollution that individual metropolitan areas or cities cannot resolve individually. Megaregion planning presents an alternative way of mitigating metropolitan problems of large-scale transportation systems, green infrastructure, and economic development and has attracted a number of transportation advocates since 2000."

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."

This report summarizes small pullout test results conducted as par of Texas Department of Transportation (TxDOT) Project 5-4829 to assess the performance of a newly developed small pullout box as well as the associated K SGI model.

Report on the testing involving a modified pullout device for the characterization of the confined stiffness in geosynthetic reinforcements.

Report describing the development of a wiki-type online database system to document TxDOT research and construction programs.

This report presents experimental results, installation procedures for CFRP sheets and anchors, specifications for fabrication and installation of CFRP anchors, and anchored CFRP shear design guidelines.