This collection includes the reports of research funded through the Nebraska Department of Transportation. The reports are accessible to people all over the world, and the research being done here is helping infrastructure departments and workers in Nebraska and beyond.

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2016

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Identifying and Addressing Soil Property Issues Affecting Roadside Vegetation Establishment, Xu Li, Martha Mamo, Walter H. Schacht, Tala Awada, and Humberto Blanco-Canqui

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Use of Recycled Crushed Concrete (RCC) Fines for Potential Soil Stabilization, Lindeman Mark, Varilek Brandon, Lieska Halsey, Rick Gloe, and Maria Olomi

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Cable-to-Post Attachments for Use in Non-Proprietary High-Tension Cable Median Barrier – Phase II, Scott K. Rosenbaugh, Robert W. Bielenberg, Jessica L. Lingenfelter, Ronald K. Faller, John D. Reid, and Karla A. Lechtenberg

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Continued Development of a Non-Proprietary, High-Tension, Cable End Terminal System, Jennifer D. Schmidt, Robert W. Bielenberg, John D. Reid, and Ronald K. Faller

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Development of a Transition Between an Energy-Absorbing Concrete Barrier and a Rigid Concrete Butress, Tyler L. Schmidt, Ronald K. Faller, Jennifer D. Schmidt, John D. Reid, Robert W. Bielenberg, and Scott Rosenbaugh

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Active Traffic Management Case Study: Phase 1, Anuj Sharma, Shuo Wang, and Aemal Khattak

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Performance Assessment of Deteriorated and Retrofitted Steel HP Piles, Joshua Steelman and Steven Stauffer

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Design Procedures of Retrofitted Bridge Rail, Richard L. Wood, Yijun Liao, Mohammad E. Mohammadi, and Jordan Wipf

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Performance of Advance Warning Systems in a Coordinated System, Li Zhao, Laurence R. Rilett, Ernest Tufuor, Waleed Khan, and Christopher LeFrois

2015

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Swift Fox Abundance along the Heartland Expressway Corridor in Nebraska, Marc Albrecht

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Characterization of Bridge Deck Runoff, Shannon L. Bartelt-Hunt, Elizabeth G. Jones, and Renys Barrios

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Design of an Improved Post for Use in a Non-Proprietary High-Tension Cable Median Barrier, Robert W. Bielenberg, Ronald K. Faller, Karla A. Lechtenberg, Tyler L. Schmidt, Scott K. Rosenbaugh, John D. Reid, and Dean L. Sicking

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MASH Test Nos. 3-17 and 3-11 on a Non-Proprietary Cable Median Barrier, Robert W. Bielenberg, Scott K. Rosenbaugh, Ronald K. Faller, Brandt M. Humphrey, Tyler L. Schmidt, and John D. Reid

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Performance Characteristics of Posts Embedded in Soil, Brandt M. Humphrey, Karla A. Lechtenberg, John D. Reid, Ronald K. Faller, and James C. Holloway

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Evaluation of Thin Asphalt Overlay Practice Preserving Nebraska's Asphalt Pavement, Soohyok Im, Yong-Rak Kim, Hamzeh Haghshenas Fatmehsari, Gabriel Nsengiyumva, and Taesun You

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Mitigating Pavement Edge Drop off, Wayne Jensen and Niles Uerling

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Evaluation of Concrete Grinding Residue (CGR) Slurry Application on Vegetation and Soil Responses along Nebraska State Highway 31, Martha Mamo, Dennis L. McCallister, and Walter H. Schacht

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Evaluating the Constructability of NUDECK Precast Concrete Deck Panels for Kearney Bypass Project, George Morcous, Afshin Hatami, and Micheal Assad

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Development of a Semicircular Bend (SCB) Test Method for Performance Testing of Nebraska Asphalt Mixtures, Gabriel Nsengiyumva, Yong-Rak Kim, and Taesun You

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Conceptual Development of an Impact-Attenuation System for Intersecting Roadways, Joseph G. Putjenter, Robert W. Bielenberg, Ronald K. Faller, and John D. Reid

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Design and Evaluation of an Energy-Absorbing, Reusable Roadside/Median Barrier, Scott Rosenbaugh, Ronald K. Faller, Robert W. Bielenberg, James C. Holloway, Karla A. Lechtenberg, Jennifer D. Schmidt, John D. Reid, and Justice E. Kohtz

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Cable-to-Post Attachments for Use in Non-Proprietary High-Tension Cable Median Barrier – Phase II, Scott K. Rosenbaugh, Robert W. Bielenberg, Brandt M. Humphrey, Ronald K. Faller, John D. Reid, and Karla A. Lechtenberg

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Development and Evaluation of Weak-Post W-Beam Guardrail in Mow Strips, Scott K. Rosenbaugh, Ronald K. Faller, Karla A. Lechtenberg, and James C. Holloway

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Development of Socketed Foundations for S3x5.7 Posts, Scott K. Rosenbaugh, Tyler L. Schmidt, Ronald K. Faller, and John D. Reid

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MASH TL-4 Crash Testing and Evaluation of the RESTORE Barrier, Jennifer D. Schmidt, Tyler L. Schmidt, Ronald K. Faller, Robert W. Bielenberg, John D. Reid, James C. Holloway, and Karla A. Lechtenberg

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Safety and Operational Analysis of Lane Widths in Mid-Block Segments and Intersection Approaches in the Urban Environment in Nebraska, Anuj Sharma, Wei Li, Mo Zhao, and Laurence Rilett

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Integrated 3D Bridge-Condition Visualization (BCV) to Facilitate Element-Based Bridge Condition Rating (EBCR), Zhigang Shen and Wayne Jensen

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MGS Dynamic Deflections and Working Widths at Lower Speeds, Nicholas A. Weiland, Cody S. Stolle, John D. Reid, Ronald K. Faller, Robert W. Bielenberg, and Karla A. Lechtenberg

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Nebraska Data Collection, Keyvan Zare Rami and Yong-Rak Kim

2014

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Assessment and Evaluation of Timber Piles Used in Nebraska for Retrofit and Rating, Atorod Azizinamini, Alireza Mohammadi, Jawad H. Gull, and Ramin Taghinezhad

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Development of a Mash TL-3 Transition Between Guardrail and Portable Concrete Barriers, Robert W. Bielenberg, Ronald K. Faller, Karla A. Lechtenberg, David A. Gutierrez, and John D. Reid

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Universal Breakaway Steel Post for Other Applications, Robert W. Bielenberg, Ronald K. Faller, Karla A. Lechtenberg, Craig W. Price, Tyler L. Schmidt, and John D. Reid

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Effectiveness Study of UNL's Pneumatic Crack/Joint Preparation Device, Yong Cho and Changbum Ahn

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Development of a Socketed Foundation for the Midwest Weak Post V1, Ronald K. Faller, Dean L. Sicking, Scott Rosenbaugh, John D. Reid, and Tyler L. Schmidt

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Dynamic Testing of a Non-Proprietary, High-Tension, Cable End Terminal System, Ronald K. Faller, Dean L. Sicking, Jennifer D. Schmidt, and John D. Reid

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Overwintering Biology and Tests of Trap and Relocate as a Conservation Measure for Burying Beetles, W. Wyatt Hoback and Adrienne Conley

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Development of a Nebraska Culvert Aquatic Organism Passage Screening Tool, W. Wyatt Hoback, Jeremy Grauf, and Erik Prenosil

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Investigation of Rural/Suburban High-Speed Multilane Roundabouts, Aemal Khattak, Eric Thompson, and Shanshan Zhao

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Evaluating the Impact of Deck Removal Method on the Performance of NU Girders, George Morcous

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Investigation of Closure Pour Elimination for Phased Construction of Steel Girder Bridges, Terri R. Norton and Armando Shane

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Safety Performance Evaluation of Weak-Post, W-Beam Guardrail Attached to Culvert, Scott K. Rosenbaugh, Ronald K. Faller, Dean L. Sicking, Karla A. Lechtenberg, Allison J. Schneider, and John D. Reid

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Predicting the Dynamic Fracture of Steel via a Non-Local Strain-Energy Density Failure Criterion, Kevin D Schrum, Dean L. Sicking, Ronald K. Faller, and John D. Reid

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Stormwater Pollution Treatment BMP Discharge Structures, Miles F. Simmons and David M. Admiraal

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Increased Span Length for the MGS Long-Span Guardrail System, Nicholas A. Weiland, Ronald K. Faller, Robert W. Bielenberg, and John D. Reid

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Comprehensive Evaluation of Fracture Critical Bridges, Aaron Jon Yakel, Atorod Azizinamini, Huy Pham, and Saeed Doust

2013

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Design of Cable-to-Post Attachments for Use in a Non-Proprietary, High-Tension, Cable Median Barrier, Ronald K. Faller, Robert W. Bielenberg, Dean L. Sicking, Cody S. Stolle, Karla A. Lechtenberg, Scott K. Rosenbaugh, Ryan J. Bateman, and John D. Reid

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Development of a New Energy-Absorbing Roadside/Median Barrier System with Restorable Elastomer Cartridges, Ronald K. Faller, Dean L. Sicking, Karla A. Lechtenberg, Robert W. Bielenberg, Scott K. Rosenbaugh, James C. Holloway, John D. Reid, and Jennifer D. Schmidt

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Optimized Aggregates Gradations for Portland Cement Concrete Mix Designs Evaluation, Wally Heyen, Lieska Halsey, Robert Rea, and Mick Syslo

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Midwest Guardrail System With Southern Yellow Pine Posts, Karla A. Lechtenberg, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, David A. Gutierez, and John D. Reid

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Implementation of 0.7 in. Diameter Strands in Prestressed Concrete Girders, George Morcous

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Life-Cycle Assessment of Nebraska Bridges, George Morcous

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Implementation of Precast Concrete Deck System NUDECK (2nd Generation), George Morcous and Maher K. Tadros

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Post Weld and Epoxy Anchorage Variations for W-Beam Guardrail Attached to Low-Fill Culverts, Scott K. Rosenbaugh, Ronald K. Faller, Dean L. Sicking, Robert W. Bielenberg, Craig W. Price, and John D. Reid

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Fertilizer Effects on Attaining Vegetation Requirements, Walter H. Schacht and Carol Wienhold

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Safety Performance Evaluation of the Non-Blocked Midwest Guardrail System, Kevin D Schrum, Karla A. Lechtenberg, Robert W. Bielenberg, Scott K. Rosenbaugh, Ronald K. Faller, and John D. Reid

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Establishing Permanent Vegetation after Highway Construction, John C. Soper and Walter H. Schacht

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Cable Median Barrier Failure Analysis and Remediation Phase II, Cody S. Stolle, Dean L. Sicking, Ronald K. Faller, and John D. Reid

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Pavement Quality Indicators, Connor Villanueva and Wayne Jensen

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Cost-Effective Treatment of Existing Guardrail Systems, Mitchell J. Wiebelhaus, Karla A. Lechtenberg, Dean L. Sicking, Ronald K. Faller, and Scott K. Rosenbaugh

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Development and Evaluation if Best Management Practices for Highway Runoff Pollution Control, Tian C. Zhang, John S. Stansbury, and Massom Moussavi

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Passive Stormwater Samplers for Sampling Highway Runoff From BMPS: Feasibility Studies, Tian C. Zhang, John S. Stansbury, and Massom Moussavi

2012

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Evaluation of the Environmental Impacts of Bridge Deck Runoff, Shannon L. Bartelt-Hunt, Lauren Swadener, and Ekizabeth G. Jones

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Dynamic Testing of MGS W6X8.5 Posts at Decreased Embedment, Robert W. Bielenberg, Karla A. Lechtenberg, Ronald K. Faller, John D. Reid, Tyler L. Schmidt, and Mario Mongiardini

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Improved Models of Cable-to-Post Attachments for High-Tension Cable Barriers, Robert W. Bielenberg, Cody S. Stolle, and John D. Reid

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Improved Models of Cable-to-Post Attachments for High-Tension Cable Barriers, Robert W. Bielenberg, Cody S. Stolle, and John D. Reid

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Test Matrices for Evaluating Cable Median Barriers Placed in V-Ditches, Ronald K. Faller, Scott K. Rosenbaugh, Mario Mongiardini, and John D. Reid

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Determination of the Maximum MGS Mounting Height Phase II Detailed Analysis, Ramen D. Julin, Ronald K. Faller, John D. Reid, and Mario Mongiardini

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Safety Improvements at Highway-Railroad Crossing for Pedestrians and Bicyclists and the Assessment of Long-Term Effects of Centerline Curbing, Aemal Khattak and Zheng Luo

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Characteristics of Fatigued Commercial Motor Vehicle Drivers -- A Preliminary Investigation, Aemal Khattak and Carrie Mohlman

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Research on Roadway Performance and Distress at Low Temperature, Yong-Rak Kim, Soohyok Im, and Hoki Ban

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Evaluation of a Non-Proprietary, High-Tension, Four-Cable Median Barrier on Level Terrain, Karla A. Lechtenberg, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, Scott K. Rosenbaugh, Daniel M. Homan, Leah R. Kampschnieder, and John D. Reid

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Phase I Development of an Aesthetic, Precast Concrete Bridge Rail, Scott Rosenbaugh, Ronald K. Faller, Robert W. Bielenberg, Dean L. Sicking, and John D. Reid

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Phase II Development of a Non-Proprietary, Four-Cable, High Tension Median Barrier, Jennifer D. Schmidt, Dean L. Sicking, Ronald K. Faller, Karla A. Lechtenberg, Robert W. Bielenberg, Scott K. Rosenbaugh, and John D. Reid

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Cost-Effective Safety Treatments for Low-Volume Roads, Kevin D Schrum, Karla A. Lechtenberg, Cody S. Stolle, Ronald K. Faller, and Dean L. Sicking

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Speed Limit Recommendation in Vicinity of Signalized High-Speed Intersection, Anuj Sharma, Laurence Rilett, Zifeng Wu, and Shefang Wang

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Cable Median Barrier Failure Analysis and Prevention, Dean L. Sicking and Cody S. Stolle

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Determination of the Maximum MGS Mounting Height -- Phase I Crash Testing, Cale J. Stolle, Karla A. Lechtenberg, Ronald K. Faller, Robert W. Bielenberg, Scott Rosenbaugh, Dean L. Sicking, John D. Reid, and Erin A. Johnson

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Development and Recommendation for a Non-Proprietary, high-Tension, Cable End Terminal System, Ryan J. Terpsma, Ronald K. Faller, Dean L. Sicking, and John D. Reid

2011

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Evaluation of the In-Service Safety Performance of Safety-Shape and Vertical Concrete Barriers, Francisco Daniel Benicio de Albuquerque and Dean L. Sicking

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Development of a State of the Art Traffic Microsimulation Model for Nebraska, Justice Appiah, Bhaven Naik, Laurence Rilett, Yifeng Chen, and Seung-Jun Kim

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Evaluation of NDOR's Actuated Advance Warning Systems, Justice Appiah, Laurence Rilett, and Zifeng Wu

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Effectiveness Study On Temporary Pavement Marking Removals Methods, Yong Cho and Jae-Ho Pyeon

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Non-Nuclear Method for Density Measurements, Yong-Rak Kim and Yong Cho

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Developing Deterioration Models for Nebraska Bridges, George Morcous

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Development of Alternative Wood-Post MGS Approach Guardrail Transition, Scott K. Rosenbaugh, Kevin D. Schrum, Ronald K. Faller, Karla A. Lechtenberg, Dean L. Sicking, and John D. Reid

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The Effects of Pedestrian Countdown Timers on Safety and Efficiency of Operations at Signalized Inersections, Anuj Sharma and Jacob Schmitz

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Impact of 0.7 inch Diameter Strands on NU I-Grinders, Maher K. Tadros and George Morcous

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Model for Predicting the Impact Upon Economic Development Resulting from Highway Improvement Projects, Eric Thompson, Kanou Comlavi, and Mallory Dimmit

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Phase I Development of a Non-Proprietary, Four-Cable, High Tension Median Barrier, Mitchell J. Wiebelhaus, Dean L. Sicking, Ronald K. Faller, Karla A. Lechtenberg, John R. Rohde, Robert W. Bielenberg, Scott Rosenbaugh, Erin A. Johnson, and John D. Reid

2010

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Infrared Thermography-Driven Flaw Detection and Evaluation of Hot Mix Asphalt Pavements, Yong K. Cho, Thaddaeus Bode, and Yong-Rak Kim

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Infrared Thermography-Driven Flaw Detection and Evaluation of Hot Mix Asphalt Pavements, Yong K. Cho, Yong-Rak Kim, and Thaddaeus Bode

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Rapid Construction of Pacific Street Bridge, Kromel E. Hanna, George Morcous, and Maher K. Tadros

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Second Generation Precast Deck Panel (NUDECK) System, Kromel E. Hanna, George Morcous, and Maher K. Tadros

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Design Aids of NU I-Grinder Bridges, Kromel Hanna, George Morcous, and Maher K. Tadros

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Layer Moduli of Nebraska Pavements for the New Mechanistic Empirical Pavement Design Guide, Soohyok Im, Yong-Rak Kim, and Hoki Ban

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Dynamic Impact Testing of Wood Posts for the Midwest Guardrail System Placed Adjacent to a 2H:1V Fill Slope, Karla A. Lechtenberg, Robert W. Bielenberg, Ronald K. Faller, Dean L. Sicking, Mary D. McGhee, and John D. Reid

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Load Rating of Complex Bridges, George Morcous, Kromel E. Hanna, and Maher K. Tadros

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Bottom Flange Reinforcement in NU I-Grinders, George Morcous, Kromel E. Hanna, and Maher K. Tadros

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Performance Evaluation of Brass Breakaway Couplings, Joseph G. Putjenter, Scott K. Rosenbaugh, Karla A. Lechtenberg, Ronald K. Faller, Dean L. Sicking, and John D. Reid

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Development of Advanced Finite Element Material Models for Cable Barrier Wire Rope, John D. Reid, Karla A. Lechtenberg, and Cody S. Stolle