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Strut-and-Tie Model Design Examples for Bridges

Description: 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.
Date: June 2012
Creator: Williams, Chris; Deschenes, Dean & Bayrak, Oguzhan

RTI Special Studies for TxDOT Administration in FY 2011

Description: 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.
Date: June 2012
Creator: Persad, Khali; Zhang, Zhanmin; Qazi, Abds; Harrison, Robert; Trevino, Manuel & Khwaja, Nabeel

Megaregion Freight Planning: A Synopsis

Description: "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 tr… more
Date: March 2012
Creator: Harrison, Robert; Johnson, Donovan; Loftus-Otway, Lisa; Hutson, Nathan; Seedah, Dan; Zhang, Ming et al.

Guidance on extracting value from Texas Department of Transportation's land holdings

Description: "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."
Date: July 2012
Creator: Prozzi, Jolanda; Paes, Thiago; Loftus-Otway, Lisa & Caldas, Carlos

Materials selection for concrete overlays : the final report

Description: Report on the existing concrete overlays in Texas and the results of laboratory research on the material selection and construction of concrete overlays.
Date: July 2012
Creator: Kim, Dong H.; Fowler, David W.; Ferron, Raissa P.; Trevino, Manuel M. & Whitney, David P.

Binder Rheology and Performance in Warm Mix Asphalt : Interim Report

Description: 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.
Date: August 2012
Creator: Arega, Zelalem & Bhasin, Amit

Application Guide and Specifications for Geotextiles in Roadway Applications

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 th… more
Date: February 2012
Creator: Zornberg, Jorge G. & Thompson, Nathan

Experimental Results on Soil-Geosynthetic Interaction Stiffness

Description: 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.
Date: February 2012
Creator: Zornberg, Jorge G.; Ferreira, J. A. Z. & Roodi, G. H.
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