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Effectiveness of Combined Utility Relocation/Highway Construction Projects
2006 ... RS: James T. O'Connor; Researchers: Carlos Caldas, Khali Persad · With highway projects frequently located in congested, interference-prone environments, timely utility adjustments are more critical than ever. The aim of this research was to investigate the effective implementation of a utility adjustment approach that puts utility
4997 Summary [CTR] ... PSR 0-4997-S ... Project Summary Report, 0-4997
Full-text Link:
Evaluation of the Effects of the Tining Operation on the Performance of PCC Pavements. A Summary
2001 ... B. Frank McCullough, Terry Dossey and David W. Fowler · TxDOT internal use only. · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4978 summary [CTR] ... PSR 4978-S ... Project Summary Report
Full-text Link:
Online resource not available. TxDOT Internal Use Only.
Relationship Between Aggregate Properties and Hamburg Wheel Tracking Results: A Summary
2004 ... Mansour Solaimanian, Gianmarco Renato Pendola, Thomas W. Kennedy · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4977 Summary [CTR] ... PSR 4977-S ... Project Summary Report, 7-4977
Full-text Link:
Automated Pavement Cracking Rating System: A Summary
2003 ... Bugao Xu and Yaxiong Huang · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4975 Summary [CTR] ... PSR 4975-S ... Project Summary Report, 7-4975
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Artificial Lighting for the Automated Pavement Distress Rating System
2005 ... Bugao Xu · An automated pavement distress rating system was developed under Texas Department of Transportation (TxDOT) Research Project 7-4975 in the past several years. The system now can scan 100 percent of pavement surfaces at any vehicle speed between 5 and 70 miles per hour, detect cracks in real time, and
4958-Summary [CTR] ... PSR 0-4958-S ... Project Summary Report, 0-4958
Full-text Link:
Recommendations and Implementation of Automatic Vehicle Identification for Incident Detection and Advanced Traveler Information Systems
2004 ... C.T. Haas [and five others] · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4957 Summary [CTR] ... PSR 4957-S ... Project Summary Report, 7-4957
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Development of an Urban Accessibility Index: A Summary
2002 ... Chandra Bhat [and six others] · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4938 Summary [CTR] ... PSR 4938-S ... Project Summary Report, 7-4938
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Methods for Meeting the Intent of the ADA in Sidewalk Cross-Slope Design
1999 ... Kara Kockelman, Yong Zhao, Chessalay Blanchard-Zimmerman · This summary report is a review of research undertaken to determine appropriate sidewalk cross-slope design in accordance with the Americans with Disabilities Act (ADA). The research methods used are described and specific recommendations are provided. This
4933 Summary [CTR] ... TX-00/4933-S ... Project Summary Report, 7-4933
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1 MB
Precision of the Moisture Susceptibility Test Method Tex-531-C
2003 ... Mansour Solaimanian and Thomas W. Kennedy · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4909 Summary [CTR] ... PSR 0-4909-S ... Project Summary Report, 0-4909
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Feasibility of Hot Dipped (Zinc) Galvanizing and Other Coatings for the Protection of Reinforcing Steel: A Summary
2002 ... P.G. Deshpande [and five others] · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4904 Summary [CTR] ... PSR 4904-S ... Project Summary Report, 7-4904
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Performance of Old Concrete Under Thin Overlays
2007 ... RS: Moon Won; Researchers: Cesar Medina-Chavez and Manuel Trevino · There are many miles of portland cement concrete (PCC) pavements in Texas that have provided satisfactory performance for much longer than their original design lives. Some of them are still in good structural and functional condition, while some of
4893 Summary [CTR] ... PSR 0-4893-s ... Project Summary Report, 0-4893
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Sulfate Resistance of Concrete Exposed to External Sulfate Attack
2009 ... Kevin J. Folliard [and four others] · Sulfate attack is a complex form of deterioration that has damaged concrete structures throughout the world. Sulfate attack is particularly complex because the source of sulfates can be external or internal (delayed ettringite formation), and the distress can be chemical in nature, due to alteration
4889 Summary [CTR] ... PSR 0-4889 ... Project Summary Report, 0-4889
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Minimum Longitudinal Grade at Zero Cross Slope in Superelevation Transition
2007 ... RS: Randall J. Charbeneau; Researchers: Michael E. Barrett and Jaehak Jeong · Superelevation transitions are used to help balance centrifugal forces on vehicles moving though curved highway sections. At superelevation transitions, the outside lane cross slope is rotated from negative cross slope at normal crown
4875 Summary [CTR] ... PSR 0-4875-s ... Project Summary Report, 0-4875
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Material Design and Testing Methods for Homemade and Containerized Cold Mix
2007 ... RS: Jorge A. Prozzi; Researchers: Samrat Chatterjee [and three others] · Cold patching asphalt mixtures constitute an essential element in the maintenance of Texas' highway infrastructure. These mixtures are often used to patch potholes in areas with cold and wet weather, particularly when hot mix asphalt is not available as a result
4872 Summary [CTR] ... PSR 0-4872-s ... Project Summary Report, 0-4872
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Assessment of Rapid Methods for Density Control of MSE Walls and Embankments
2006 ... RS: Ellen Rathje; Researchers: Kenneth Stokoe, Stephen Wright · The performance of earth retaining walls and embankments is predominantly controlled by the engineering properties of the backfill. To ensure that the backfill has adequate properties, the soil is compacted to achieve a specified minimum dry unit weight and a water
4835 Summary [CTR] ... PSR 0-4835-S ... Project Summary Report, 0-4835
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Cold Weather Performance of New Generation Open-Graded Friction Courses
2007 ... Moon Won [and five others] · This study focused on three areas: (1) a national survey of practice for NGOGFC pavements, (2) lab results for permeability and abrasion testing on specimens, and (3) development of a methodology for remote detection of ice formation, which also allows monitoring the effectiveness of de-icing
4834 Summary [CTR] ... PSR 0-4834-S ... Project Summary Report, 0-4834
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Quantify the Benefits of Using Geosynthetics for Unbound Base Courses
2007 ... RS: Jorge Zornberg; Researchers: Jorge Prozzi and Kenneth Stokoe · Base reinforcement results from the addition of a geosynthetic at the bottom or within a base course to increase the structural or load-carrying capacity of a pavement system. While there is clear evidence that geosynthetic reinforcements can lead to
4829 Summary [CTR] ... PSR 0-4829-s ... Project Summary Report, 0-4829
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Best Practice: Geosynthetics in Paved Roads
2016 ... [Richard Izzo, Jorge Zornberg] · RTI Project 5-4829-03 shall establish material specifications for geosynthetics used to reinforce unbound base courses, particularly for those placed on subgrades comprised of expansive clays · "Published on Jul 13, 2016" · Publ. by: Texas Department of Transportation (TxDOT).
4829-03 Video Summary [CTR] ... RTI VSR 5-4829-03 ... Best Practices Video Summary Report
Full-text Link:
YouTube video
Mechanical Anchors for Retrofit/Repair of Bridge Rails
2007 ... Richard E. Klingner and Eric B. Williamson · The researchers found that the proposed designs for the retrofit T203 and T501 barriers met the TxDOT prescribed performance standards and can safely be used to replace severely damaged barriers. · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4823-CT Summary [CTR] ... PSR 0-4823-CT-S ... Project Summary Report, 0-4823-CT
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Shear Connector Design for Composite Steel Beams - Strength Limit State
2007 ... RS: Joseph Yura; Researcher: Michael Engelhardt · The AASHTO LRFD Bridge Design Specifications provide rules for strength design of shear connectors for steel composite beams. These current rules require that sufficient shear studs be provided to develop the full composite strength of the steel beam. That is, shear studs
4811 Summary [CTR] ... PSR 0-4811-s ... Project Summary Report, 0-4811
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Trans-Texas Corridor Right-of-Way Royalty Payment Feasibility: A Summary
2005 ... Khali R. Persad [and four others] · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4808 Summary [CTR] ... PSR 0-4808-S ... Project Summary Report, 0-4808
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Development of Sources and Methods for Securing Truck Travel Data in Texas
2006 ... RS: Rob Harrison; Researcher: Jolanda Prozzi · State departments of transportation (DOTs) require disaggregated truck flow data to determine the impact of truck movements on the state’s road infrastructure—bridges and pavements—and the implications in terms of funding. In addition, robust truck data
4713 Summary [CTR] ... PSR 0-4713-S ... Project Summary Report, 0-4713
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Design and Operation of Inland Ports as Nodes of the Trans-Texas Corridor
2006 ... RS: Robert Harrison, CTR; Researchers: Gary Barricklow [and five others] · In 2002, Governor Rick Perry announced his vision for a new transportation system for Texas, the Trans Texas Corridors (TTC). He proposed that Texas be connected by a 4,000-mile network of corridors up to 1,200 feet wide with separate lanes for passenger
4702 Summary [CTR] ... PSR 0-4702-S ... Project Summary Report, 0-4702
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Monitoring and Evaluation of SH 130 Project Construction
2006 ... RS: James T. O'Connor; Researchers: Michael Clarke [and three others] · The research effort was conducted on a multi-objective agenda to investigate various issues related to the adoption of the Design-Build (DB) delivery approach for the delivery of a large highway project. First, researchers investigated issues and
4661 Summary [CTR] ... PSR 0-4661-S ... Project Summary Report, 0-4661
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Vessel Impact on Bridges
2005 ... RS: Lance Manuel; Researchers: Loukas F. Kallivokas and Eric B. Williamson · The collapse of the Queen Isabella Causeway Bridge resulting from a vessel collision motivated this study that recognizes that vessel impact on bridge is a serious issue and that the likelihood of such accidents needs to be carefully evaluated in the design
4650 Summary [CTR] ... PSR 0-4650-S ... Project Summary Report, 0-4650
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Evaluation and Integration of Texas Airports into the Trans-Texas Corridor
2006 ... RS: C. Michael Walton; Researcher: Michael S. Bomba · The purpose of this project was to identify the potential effects, including both challenges and opportunities, the TTC system could create for the Texas aviation system, and to provide recommendations for airport managers, airport governing boards, TxDOT Aviation Division
4644 Summary [CTR] ... PSR 0-4644-S ... Project Summary Report, 0-4644
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Performance and Effects of Punched Holes and Cold Bending on Steel Bridge Fabrication
2006 ... RS: Karl Frank; Researchers: Justin D. Brown [and four others] · An experimental project to compare the fatigue and tensile strength of steel with punched and drilled holes is proposed. The study will examine the influence of type of steel, steel thickness, holes size, punch clearance and wear, and edge distance upon the performance of
4624 Summary [CTR] ... PSR 0-4624-S ... Project Summary Report, 0-4624
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Driver Responses to Urban Freeway Information Loads: A Summary
2005 ... Alexei Tsyganov, Randy Machemehl, Ahmed Qatan and Nick Warrenchuck · "Relationships between information flow, driver stress, driver performance, and accident experience have been hypothesized. This research project classifies urban freeways in Dallas, Houston, and San Antonio, Texas, regarding the intensity of
4621 Summary [CTR] ... PSR 0-4621-S ... Project Summary Report, 0-4621
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Delays in the Row Acquisition and Utility Adjustment Processes and Methods for Expediting the Processes
2005 ... G. Edward Gibson [and four others] · Reducing the time from planning to construction of a project can ensure that the benefits of the project are available sooner to the traveling public. This will, in turn, greatly facilitate public commerce and reduce adverse traffic problems and their associated costs. This research project looked
4617 Summary [CTR] ... PSR 0-4617-S ... Project Summary Report, 0-4617
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Implementation of the Right-of-Way and Utility Adjustment Duration Planning (RUDI) Tool
2008 ... RS: James T. O'Connor; Researchers: William O'Brien and Taehong Sohn · Constructing highway projects demands effective coordination among all disciplines involved in such projects. These projects require securing the approval of federal, state, and private agencies. Moreover, there are various pre-construction activities that need to
4617-01 Summary [CTR] ... PSR 4617-01-s ... Project Summary Report, 5-4617-01
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Private-Public Partnerships for Enforcing Outdoor Advertising Regulations: Options for Texas
2005 ... David Luskin · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4609 Summary [CTR] ... PSR 0-4609-S ... Project Summary Report, 0-4609
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Stormwater Quality Documentation of Roadside Shoulders Borrow Ditches: A Summary
2005 ... Michael Barrett · Nonpoint source pollution is an environmental problem that raises a concern among regulatory agencies and water quality professionals. A portion of this pollution is conveyed to receiving waters by stormwater drainage from highways, often via vegetated roadside shoulders, also referred to as borrow ditches.
4605 Summary [CTR] ... PSR 0-4605-S ... Project Summary Report, 0-4605
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Stormwater Quality Documentation of Roadside Shoulders Borrow Ditches
2006 ... RS: Michael Barrett; Researcher: Joseph Malina · A water quality sampler was placed at the edge of pavement of Loop 360 in Austin, Texas, in February 2004 to document improvements in water quality caused by the vegetation on the highway shoulder. At that time, the pavement was a conventional hot mix asphalt. During the
4605-2 Summary [CTR] ... PSR 0-4605-2-s ... Project Summary Report, 0-4605-2
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Prediction Model for Concrete Behavior
2007 ... RS: Kevin J. Folliard; Researchers: Maria C.G. Juenger [and four others] · Excessive heat generation during land pavements placement and curing of concrete can result in concrete of poor quality. Thermal shock can result, leading to excessive cracking. Under certain conditions excessive heat can also trigger delayed ettringite
4563 Summary [CTR] ... PSR 0-4563-s ... Project Summary Report, 0-4563
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0-4562, Corrosion Resistance of Grouted Post-Tensioning Systems
[2014] ... Research Performed by: Center for Transportation Research; Research Supervisors: Dr. John E. Breen, Dr. Michael E. Kreger; Researchers: Andrew L. Kilduff [and eight others] · "Although the vast majority of post-tensioned bridges in the United States have performed satisfactorily, corrosion problems on a small number of
4562 Summary phase 2 [CTR] ... PSR 0-4562-S.2 ... Project Summary, 4562
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Summary: Factors Affecting Bond and Friction Losses in Multi-Strand Post-Tensioning Tendons Including the Effect of Emulsifiable Oils
2005 ... T. Luthi [and four others] · Inadequate attention to durability in either the design or construction phases of a project can result in costly repairs or, in some cases, failure. Although the vast majority of post-tensioned bridges in the U.S. have performed satisfactorily, corrosion problems in a number of bridges in Florida have raised
4562 Summary phase 1 [CTR] ... PSR 0-4562-S.1 ... Project Summary Report, 0-4562
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Bridge Runoff Characterization
2007 ... Joseph F. Malina [and three others] · Non-point source water pollution is an environmental issue currently facing water quality professionals. Although some highway runoff is treated by best management practices (BMPs) (structural or non-structural systems), or is diverted to municipal treatment systems, a fraction of water pollution
4543 Summary [CTR] ... PSR 0-4543-S ... Project Summary Report, 0-4543
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Highway Traffic Characterization for Design of Pavement Structures
2006 ... Jorge A. Prozzi and Feng Hong · The recently developed guide for the "Mechanistic-Empirical Design of New and Rehabilitated Pavement Structures" (commonly referred to as the M-E Design Guide) proposes applying mechanistic principles to replace the traditional empirical design approach suggested in the AASHTO 1993 "Guide for
4510 Summary [CTR] ... PSR 0-4510-S ... Project Summary Report, 0-4510
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Design of Multi-Tiered Mechanically Stabilized Earth (MMSE) Walls
2006 ... Stephen G. Wright · Existing Federal Highway Administration (FHWA) and American Association of State Highway Officials’ (AASHTO) design guidelines for single- and multi-tiered mechanically stabilized earth (MMSE) walls, as well as general limit equilibrium approaches, were reviewed and evaluated. The variables and
4485 Summary [CTR] ... PSR 0-4485-S ... Project Summary Report, 0-4485
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Cost-Effective Strategies for Communicating with Remote Surveillance Stations: A Summary
2003 ... Yi-Chang Chiu [and four others] · While major installations to support advanced traffic management applications are being deployed along Texas’s major urban freeways, the need for surveillance and/or detector capabilities also exists in numerous remote locations with no established telecommunications capability for the
4449 Summary [CTR] ... PSR 0-4449-S ... Project Summary Report, 0-4449
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Landside Access Needs for Deep-Water Ports in Texas
2006 ... RS: Rob Harrison; Researchers: Michael Bomba, Jolanda Prozzi and C. Michael Walton · The project had multiple objectives. The researchers initially compiled an annotated bibliography with descriptions of more than 100 papers, reports, and presentations on related topics representing the full breadth of landside access issues. The
4437 Summary [CTR] ... PSR 0-4437-S ... Project Summary Report, 0-4437
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Development of New Bridge Deck Details at Expansion Joints
2005 ... C.J. Coselli [and six others] · The Texas Department of Transportation (TxDOT) currently uses, for most of its bridges, the ?IBTS? standard detail for bridge slab ends at expansion joints (Figure 1). That detail has enabled TxDOT to eliminate the use of diaphragms at slab ends by increasing the thickness at slab ends. Slab ends are
4418 Summary [CTR] ... PSR 0-4418-S ... Project Summary Report, 0-4418
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Development of Improved Information for Estimating Construction Time: A Summary
2005 ... James T. O'Connor [and three others] · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4416 Summary [CTR] ... PSR 0-4416-S ... Project Summary Report, 0-4416
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Containerized Freight Movement in Texas
2006 ... RS: Robert Harrison; Researchers: Chandra Bhat [and four others] · Congestion along key Texas highway corridors has continued to rise in recent years due to increases in usage by both passenger and freight vehicles. In addition to building new lane miles, the Texas Department of Transportation (TxDOT) is attempting to manage the
4410 Summary [CTR] ... PSR 0-4410-S ... Project Summary Report, 0-4410
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Characteristics of Composts: Moisture Holding and Water Quality Improvement
2004 ... Christine J. Kirchhoff, Joseph Malina and Michael Barrett · The objective of this study was investigation of the potential beneficial use of compost manufactured topsoil in highway rights-of-way in Texas. The water holding capacity and the physical, chemical and microbiological characteristics of composted manures (dairy cattle, poultry
4403 Summary [CTR] ... PSR 0-4403-S ... Project Summary Report, 0-4403
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Decision Tree for Thin Asphalt Concrete Overlays on Continuously Reinforced Concrete Pavement
2004 ... Manuel Trevino, B. Frank McCullough, Yetkin Yildirim, and Terry Dossey · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4398 Summary [CTR] ... PSR 0-4398-S ... Project Summary Report, 0-4398
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Fibers in Continuously Reinforced Concrete Pavements: A Summary
2006 ... Kevin J. Folliard, David P. Whitney, David Sutfin, and Ryan Turner · Continuously reinforced concrete pavement (CRCP) is the major type of highway pavement used for the expressways in the urban parts of Texas because of its increased ride quality, minimal maintenance, and extended service life afforded from CRCP.
4392 Summary [CTR] ... PSR 0-4392-S ... Project Summary Report, 0-4392
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Development and Validation of a Method Selection Tool for Expediting Highway Construction
2003 ... C.T. Haas [and five others] · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4386 Summary [CTR] ... PSR 0-4386-S ... Project Summary Report, 0-4386
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Acceptable Concrete Pavement Thickness Tolerance
2002 ... Seong-Min Kim and B. Frank McCullough · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4382 Summary [CTR] ... PSR 0-4382-S ... Project Summary Report, 0-4382
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Summary of the Automated System for Updating Pavement Layer Database
2004 ... Zhanmin Zhang, Terry Dossey and Pithon Vithayasricharoen · Up-to-date pavement layer data is one of the most critical issues in Pavement Management Systems (PMS). With the availability of accurate and up-to-date pavement layer data, more effective management and engineering of highway pavements can be achieved in
4381 Summary [CTR] ... PSR 0-4381-S ... Project Summary Report, 0-4381
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Develop GIS-Integrated Traffic Models for MOBILE6-Based Air Quality Conformity and TCM Analysis: A Summary
2003 ... Chandra R. Bhat and Sriharsha Nerella · Transportation planners, traditionally used to focusing on regional travel demand forecasting, now have the added responsibility of providing traffic data to air quality agencies for use in mobile source emissions analysis. Coordinated efforts among land use planners, travel demand planners, and air
4377 Summary [CTR] ... PSR 0-4377-S ... Project Summary Report, 0-4377
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Design for Shear in Reinforced Concrete Using Strut-and-Tie Models: A Summary
2005 ... M.D. Brown and O. Bayrak · The shear strength of reinforced concrete beams was investigated in this project. The research focused on deep beams similar to that shown in Figure 1. With the introduction of the AASHTO LRFD Bridge Design Specifications, structures such as those shown in Figure 1 must be designed using strut-and-tie
4371 Summary [CTR] ... PSR 0-4371-S ... Project Summary Report, 0-4371
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Improved Testing Speed of the Rolling Dynamic Deflectometer: A Summary
2005 ... Jeffrey L. Lee and Kenneth H. Stokoe · The Rolling Dynamic Deflectometer (RDD) is a nondestructive deflection testing device developed by researchers at The University of Texas at Austin in the 1990s. The developmental work was funded by Texas Department of Transportation (TxDOT) Research Project No. 0-1422.
4357 Summary [CTR] ... PSR 0-4357-S ... Project Summary Report, 0-4357
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Summary of Research Findings on the Development of a New Methodology for Characterizing Pavement Structural Condition for Network-Level Applications
2003 ... Zhanmin Zhang, Lance Manuel, Ivan Damnjanovic, and Zheng Li · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4322 Summary [CTR] ... PSR 0-4322-S ... Project Summary Report, 0-4322
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Traffic Control Improvements for Urban Arterial Work Zones: A Summary
2003 ... Alexei Tsyganov, Randy Machemehl, Katherine Liapi, and Dinesh Natarajan Mohan · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4266 Summary [CTR] ... PSR 0-4266-S ... Project Summary Report, 0-4266
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Process Framework for Identifying and Prioritizing Water Quality Improvement for Meeting TMDLs in Texas: A Summary
2003 ... Samantha L. Hon, Michael E. Barrett, and Joseph F. Malina, Jr. · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4252 Summary [CTR] ... PSR 0-4252-S ... Project Summary Report, 0-4252
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Intelligent Transportation Systems and the Environment
2003 ... Tejas Mehta, Amulya Kottapalli, Hani S. Mahmassani, Chandra Bhat · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4197 Summary [CTR] ... PSR 0-4197-S ... Project Summary Report, 0-4197
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Cradle-to-Grave Pavement Monitoring of Pavements and Pavement Management Information Systems (PMIS) Functionality Enhancement Planning: A Summary
2004 ... Zhanmin Zhang and Randy B. Machemehl · Pavements are an important part of the highway transportation infrastructure, accounting for the single largest share of the overall investment. A tremendous amount of time and money is spent each year on the construction of new pavements, as well as on the maintenance and rehabilitation
4186 Summary [CTR] ... PSR 0-4186-S ... Project Summary Report, 0-4816
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Analysis of Hamburg Wheel Tracking Device Results in Relation to Field Performance: A Summary
2006 ... Yetkin Yildirim and Kenneth H. Stokoe II · To evaluate the laboratory-field correlation for the Hamburg Wheel Tracking Device (HWTD), nine test sections were constructed on IH-20 in Harrison County. This research included a monitoring of the construction of the test sections; the collection of construction data, performance data
4185 Summary [CTR] ... PSR 0-4185-S ... Project Summary Report, 0-4185
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Fatigue Strength of Signal Mast Arm Connections: A Summary
2005 ... K.H. Frank · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4178 Summary [CTR] ... PSR 0-4178-S ... Project Summary Report, 0-4178
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Potential Use of Crushed Concrete and Recycled Asphalt Pavement as Backfill for MSE Walls
2006 ... Ellen Rathje, David Treje and Kevin Folliard · Mechanically stabilized earth (MSE) walls (Figure 1) have been used throughout the U.S. since the 1970s. The popularity of MSE systems is based on their low cost, aesthetic appeal, simple construction, and reliability. To ensure long-term integrity of MSE walls, select backfills consisting
4177 Summary [CTR] ... PSR 0-4177-S ... Project Summary Report, 0-4177
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Anchorage Requirements for Grouted Vertical-Duct Connectors in Precast Bent Cap Systems: A Summary
2006 ... Francisco J. Brenes, Sharon L. Wood and Michael E. Kreger · During the past ten years, the Texas Department of Transportation has constructed several, high-profile bridge projects using precast bent cap systems. This approach has reduced construction schedules dramatically and has provided safer working environments for
4176 Summary [CTR] ... PSR 0-4176-S ... Project Summary Report, 0-4176
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Sidewalk Cross-Slope Design: Analysis of Accessibility for Persons with Disabilities, A Summary
2001 ... Kara Kockelman, Lydia Heard, Young-Jun Kweon, and Thomas Rioux · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4171 Summary [CTR] ... PSR 0-4171-S ... Project Summary Report, 0-4171
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Rural Truck Traffic Needs in Texas
2006 ... Jolanda Prozzi, Robert Harrison, Jorge Prozzi and Phil Nash · This study, prepared by a team of researchers from the Center for Transportation Research, The University of Texas at Austin, and Texas Tech University, had several objectives. First, the research team: assessed and described the condition of the existing
4169 Summary [CTR] ... PSR 0-4169-S ... Project Summary Report, 0-4169
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Summary and Analysis: Integration of Point-Based and Link-Based Incident Detection and Traffic Estimation
2002 ... Hani S. Mahmassani, Carl Haas, Haitham Logman and Hyun-Joon Shin · The implementation of Intelligent Transportation Systems (ITS) carries the promise of more effcient use of already existing transportation networks. Advanced Traffic Management Systems (ATMS) assist operators of Traffic Management Centers (TMC) in managing
4156 Summary [CTR] ... PSR 0-4156-S ... Project Summary Report, 0-4156
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Behavior of Trapezoidal Box Girders with Skewed Supports: Summary
2006 ... Reagan S. Herman, Todd A. Helwig and Dawei Li · The purpose of this investigation was to improve understanding of trapezoidal box girder systems with skewed supports. The impact of external K-frames on the behavior of the internal K-frames and top lateral truss was also studied. The research investigation included both
4148 Summary [CTR/UH] ... PSR 0-4148-S ... Project Summary Report, 0-4148
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Methods to Develop Composite Action in Non-Composite Bridge Floor Systems
2006 ... RS: Michael D. Engelhardt; Researchers: Brent Hungerford [and five others] · A number of older bridges in Texas are constructed with floor systems consisting of non-composite concrete slab over steel girders. A potentially economical means of strengthening these floor systems is to connect the existing concrete slab and steel
4124 Summary [CTR] ... PSR 0-4124-S ... Project Summary Report
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Bridge Strengthening Through the Use of Post-Installed Shear Connectors. Phase 1
2009 ... Research Performed by: Center for Transportation Research (CTR); Research Supervisor: Michael D. Engelhardt; Researchers: Richard E. Klingner, Gunup Kwon · This project was an implementation of research conducted previously under TxDOT research project 0-4124. Project 0-4124 developed a technique to increase the
4124-01 Summary Phase 1 [CTR] ... PSR 5-4124-01-S (Phase 1) ... Project Summary Report, 5-4124-01
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Bridge Strengthening Through the Use of Post-Installed Shear Connectors
2009 ... Research Supervisor: Karl H. Frank; Researchers: Amy Smith Barrett, Hyeong Kim · The bridge evaluated in this study is an elevated section of I-345 near the interchange of I-45 and I-30 in downtown Dallas. This is a very busy interchange that plays a vital role in transporting vehicles to and from downtown Dallas. The bridge consists of
4124-01 Summary [CTR] ... PSR 5-4124-01-S ... Project Summary Report, 5-4124-01
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Use of Innovative Materials to Control Restrained Shrinkage Cracking in Concrete Bridge Decks: A Summary
2003 ... Kevin Folliard [and three others] · With the release of American Society of Civil Engineer's (ASCE) 2003 Progress Report, an update to the 2001 Report Card for America's Infrastructure in which the country's infrastructure received a grade of D+, it is obvious that the United States faces a growing epidemic of deteriorating
4098 Summary [CTR] ... PSR 0-4098-S ... Project Summary Report, 0-4098
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Evaluation and Monitoring of Texas' Major and Unique Bridges
2005 ... C.T. Bilich and S.L. Wood · Two monitoring systems for bridges were evaluated for use by the Texas Department of Transportation. The first system was designed to increase the quantitative information obtained during a routine inspection of a steel bridge. The miniature, battery-powered data acquisition system selected for
4096 Summary [CTR] ... PSR 0-4096-S ... Project Summary Report, 0-4096
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Investigation of Early Release of Pretensioned Beams: A Summary
2005 ... M.E. Kreger and Oguzhan Bayrak · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4086 Summary [CTR] ... PSR 0-4086-S ... Project Summary Report, 0-4086
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Preventing Alkali-Silica Reaction and Delayed Ettringite Formation in New Concrete
2006 ... Kevin J. Folliard [and six others] · The state of Texas has been widely impacted by materials-related distress in various transportation structures. This distress has been mainly attributed to alkali-silica reaction (ASR) and delayed ettringite formation (DEF) and has been commonly referred to by the Texas Department of
4085 Summary [CTR] ... PSR 0-4085-S ... Project Summary Report, 0-4085
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Impacts of Inland Ports on Trade Flows and Transportation in Texas: A Summary
2002 ... Rob Harrison, Jolanda Prozzi, John McCray, and Russell Henk · TxDOT Top Research Innovations and Findings Award Winner- 2002 · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4083 Summary [CTR] ... PSR 0-4083-S ... Project Summary Report, 0-4083
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Second Generation Activity-Based Travel Modeling Systems for Metropolitan Areas in Texas Accommodating Demographic, Land Use, and Traffic Microsimulation Components
2006 ... RS: Chandra Bhat; Researchers: Rachel Copperman [and five others] · The trip-based travel demand models used in Texas and other states today were developed with the primary objective to evaluate major capital improvements. While this continues to be an important objective of travel demand models, there has been a shift in
4080 Summary [CTR] ... PSR 0-4080-S ... Project Summary Report, 0-4080
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