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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2020

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Evaluation of Tie-Bar Anchoring Methods: Non-Shrink Grout vs. Epoxy, Wally Heyen, Lieska Halsey, Tim Krason, Brandon Varilek, and David Hansen

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Synthesis of Repair Practices of Damaged Precast/Prestressed Concrete Girders, George Morcous, Richard L. Wood, and Antony Mohsen Kamal Masoud Kodsy

Development and Implementation of a Moving Nondestructive Evaluation Platform for Bridge Deck Inspection, Sepehr Pashoutani, Jinying Zhu, Brian Mazzeo, Spencer Guthrie, and Chungwook Sim

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Feasibility Study of Development of Ultra-High Performance Concrete (UHPC) for Highway Bridge Applications in Nebraska, Flavia Ribeiro Furtado de Mendonca, Mostafa Abo El-Khier, George Morcous, and Jiong Hu

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Early Detection of Near-Surface Void Defects in Concrete Pavement Using Drone Based Thermography and GPR Methods, Zhigang Shen, Ece Erdogmus, George Morcous, Chngsheng Cheng, Zhexiong Shang, Theresa McCabe, and Antony Mohsen Kamal Masoud Kodsy

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Improvement of Low Traffic Volume Gravel Roads in Nebraska, Richard L. Wood, Yong-Rak Kim, Yijun Liao, and Mohammad E. Mohammadi

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Development of an NDT Tool for in-Situ Assessment of Prestress Loss, Bibo Zhong, Jinying Zhu, and George Morcous

2019

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Investigating the Interaction of NDOT Hot-Pour PCC Joint Sealant and Penetrating Concrete Sealers, Bruce Barrett, Dale Byre, Wally Heyen, Lieska Halsey, and David Hansen

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Research on High-RAP Asphalt Mixtures with Rejuvenators - Phase II, Hamzeh Haghshenas, Gabriel Nsengiyumva, Yong-Rak Kim, Kommidi Santosh, and Soroosh Amelian

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Asphalt Binder Laboratory Short-Term Aging, Hamzeh Haghshenas and Robert C. Rea

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Validation of the Mechanical Rocker Test Method for Ice Melting Capacity (MRT-IMC), Lieska Halsey and David Hansen

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Evaluation of Nebraska’s Aggregate Reactivity by the Miniature Concrete Prism Test Method – AASHTO T380, Lieska Halsey and Wally Heyen

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Effect of Moisture Condition on Concrete Core Strengths, Wally Heyen and Lieska Halsey

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Evaluation of Reducing Cement Content in NDOR Class R Combined Aggregate Gradations, Miras Mamirov, Jiong Hu, and Yong-Rak Kim

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Performance Evaluation of Inverted Tee (IT) Bridge System, Garrett P. Martindale, Daniel Watson, Antony Mohsen Kamal Masoud Kodsy, Mostafa Abo El-Khier, Richard L. Wood, and George Morcous

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Remediating Soil For Successful Vegetation Establishment Along Nebraska Highways, Shad Mills, Martha Mamo, Walt Schacht, and Humberto Blanco-Canqui

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Precast Concrete Deck-to-Girder Connection using UHPC, George Morcous and Mostafa Abo El-Khier

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Long-Term Performance Evaluation Of NUdeck In Kearney East Bypass, George Morcous and Marc Maguire

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Condition Assessment of Bridge Decks with Asphalt Overlay, Sepehr Pashoutani and Jinying Zhu

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Optimizing In-Place Density of Asphalt Pavements During Cold Weather Paving in Nebraska, Robert C. Rea and Hamzeh Haghshenas

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34-inch Tall Three Beam Transition to Concrete Buttress, Scott Rosenbaugh, Wyatt Fallet, Ronald K. Faller, Robert W. Bielenberg, and Jennifer Schmidt

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Restricted Crossings on Rural Highways, John Sangster and Tim Adams

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Investigation of DSR Test Methods to Determine Binder Low Temperature Properties, Kommidi Santosh and Yong-Rak Kim

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Establishment of Wildflower Islands to Enhance Roadside Health and Aesthetics, Walter Schacht and Judy Wu-Smart

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Assessing the Impact of Game Day Schedule and Opponents on Travel Patterns and Route Choice using Big Data Analytics, Anuj Sharma and Vesal Ahsani

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Development of High-Performance Rapid Patching Materials for Pavement Repair, Gholami Shayan, Jiong Hu, and Yong-Rak Kim

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Standard Design for Nebraska County Bridges, Chungwook Sim, Jiong Hu, Maher K. Tadros, Alexander Bleyhl, and David Gee

2018

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Development of the Nebraska Department of Transportation Winter Severity Index, Mark R. Anderson, Behzad Esmaeili, Curtis L. Walker, Dylan Steinkruger, Sogand Hasanzadeh, Pouya Gholizadeh, and Bac Dao

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MASH Test No. 3-10 of a Non-Proprietary, High-Tension, Cable Median Barrier for Use in 6H:1V V-Ditch (Test No. MWP-9), Mojdeh Asadollahi Pajouh, Karla A. Lechtenberg, Ronald K. Faller, James C. Holloway, Robert W. Bielenberg, and Scott K. Rosenbaugh

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Detection of Multiple Flaws in Concrete Bridge Decks Using Ultrasonic Wave Propagation, Ece Erdogmus, Eric Garcia, Michael Schuller, Donald Harvey, Kelsey Stithem, and Monica Houck

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Hot Applied Sealant Bond Test for Joints with Penetrating Sealers, Lieska Halsey

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Compressive Strength of Concrete Cylinders by Different Preparation Methods: Sulphur, Neoprene Pads and Grinding, Wally Heyen and Lieska Halsey

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Systematic Approach to Identifying Deeply Buried Archeological Deposits, Anthony L. Layzell, Rolfe D. Mandel, Courtney L. Ziska, and John R. Bozell

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Phase II Evaluation of Floor Pan Tearing for Cable Barrier Systems, Dylan T. Meyer, Mojdeh Asadollahi Pajouh, Karla A. Lechtenberg, Ronald K. Faller, Robert W. Bielenberg, and James C. Holloway

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New Mixture Additives for Sustainable Bituminous Pavements, Gabriel Mukristu Nsengiyumva, Kommidi Santosh, Yong-Rak Kim, Helan Xu, and Yiqi Yang

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Piezocone Penetration Testing Device, Chung R. Song, Benyam M. Bekele, and Brian Sawyer

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Data-Driven Development of a Roadside Safety Marketing Campaign for Tree Removal – Phase I, Cody S. Stolle, Thomas Ammon, Chris M. Vargas, Ronald K. Faller, Karla A. Lechtenberg, and Erin L. Urbank

2017

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Evaluation of Tack Coating Practices for Asphalt Overlays in Nebraska, Soroosh Amelian and Yong-Rak Kim

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Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers, Robert W. Bielenberg, Jessica L. Lingenfelter, Justine E. Kohtz, Ronald K. Faller, and John D. Reid

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Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier, Robert W. Bielenberg, Dylan T. Meyer, Ronald K. Faller, and John D. Reid

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Effectiveness of Chain Link Turtle Fence and Culverts in Reducing Turtle Mortality and Providing Connectivity along U.S. Hwy 83, Valentine National Wildlife Refuge, Nebraska, USA, Marcel P. Huijser, Kari E. Gunson, and Elizabeth R. Fairbank

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Design and Evaluation of Modified Centerline Rumble Strips, Yong-Rak Kim, Tae Sun You, and Laurence Rilett

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Steel Pin and Hanger Assembly Replacement Options, Daniel Linzell and Chandana C. Balakrishna

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Mash Test No. 3-10 of a Non-Proprietary, High-Tension Cable Median Barrier for Use in 6H:1V V-Ditch (Test No. MWP-8), Dylan T. Meyer, Karla A. Lechtenberg, Ronald K. Faller, Robert W. Bielenberg, Scott K. Rosenbaugh, and John D. Reid

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Increased Span Length for the MGS Long-Span Guardrail System Part II: Full-Scale Crash Testing, Dylan T. Meyer, John D. Reid, Karla A. Lechtenberg, Robert W. Bielenberg, and Ronald K. Faller

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Increased Span Length for the MGS Long-Span Guardrail System Part III: Failure Analysis, Sagheer A. Ranjha, Robert W. Bielenberg, John D. Reid, and Ronald K. Faller

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LS-DYNA® Modeling Enhancement Support, John D. Reid, Robert W. Bielenberg, and Chaz Ginger

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Evaluation of Floorpan Tearing and Cable Splices for Cable Barrier Systems, Scott K. Rosenbaugh, Jason A. Hartwell, Robert W. Bielenberg, Ronald K. Faller, James C. Holloway, and Karla A. Lechtenberg

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Evaluation of Adjustable Continuity Joint Variations for Use in the Restore Barrier, Scott Rosenbaugh, Jennifer D. Schmidt, Ronald K. Faller, and James C. Holloway

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Improving Wildflower Longevity in Roadside Seeding Areas, Walter Schacht, Jonathan M. Soper, and Carol Wienhold

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Evaluation of Opportunities and Challenges of Using INRIX Data for Real-Time Performance Monitoring and Historical Trend Assessment, Anuj Sharma, Vesal Ahsani, and Sandeep Rawat

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Condition Factor Calibration for Load and Resistance Factor Rating of Steel Girder Bridges, Joshua Steelman and Pranav M. Shakya

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Protocol to Evaluate and Load Rate Existing Bridges, Maria Szerszen and Ali Alhajami

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In-Vehicle Evaluation of Milled Rumble Strips at Pre- and Post-Chip Sealed Maintenance Periods, Ernest Tufuor, Laurence Rilett, and Christopher LeFrois

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Assessing Passenger Car Equivalency Factors for High Truck Percentages, JIanan Zhou, Laurence Rilett, and Elizabeth Jones

2016

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Effectiveness Study of UNL’s Crack Routing Device (CRD) –Phase II, Changbum Ahn, Yong Cho, Hamed N. Rafsanjani, and Heath Wiley

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Species Distribution Model for Swift Fox in Nebraska, Lucia Corral Hurtado

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Continuous Long-Term Health Monitoring using Ultrasonic Wave Propagation, Ece Erdogmus

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Evaluation of Dowel Bar Inserter Practices in PCC Pavements with Magnetic Tomography Technology, Farshad Fallah and Yong-Rak Kim

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Midwest Guardrail System (MGS) Placed Adjacent to a 1V:2H Fill Slope with 6-ft Posts, Austin J. Haase, Justine E. Kohtz, Karla A. Lechtenberg, John D. Reid, and Ronald K. Faller

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Research on High-RAP Asphalt Mixtures with Rejuvenators and WMA Additives, Hamzeh Haghshenas, Hesanaddin Nabizadeh, Yong-Rak Kim, and Kommidi Santosh

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Class C Fly Ash in Pavements, Kromel E. Hanna, George Morcous, and Maher K. Tadros

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M049 Effects of Compaction and Soil Moisture on American Burying Beetles, W. Wyatt Hoback

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Improved Methodologies in Modeling and Predicting Failure in AASHTO M-180 Guardrail Steel Using Finite Element Analysis – Phase I, Brandt M. Humphrey, Robert W. Bielenberg, Ronald K. Faller, John D. Reid, and Mehrdad Negahban

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MASH Test Nos. 3-11 and 3-10 on a Non-Proprietary Cable Median Barrier, Justine E. Kohtz, Robert W. Bielenberg, Scott K. Rosenbaugh, Ronald K. Faller, Karla A. Lechtenberg, and John D. Reid

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Midwest Guardrail System (MGS) with an Omitted Post, Jessica L. Lingenfelter, Scott Rosenbaugh, Robert W. Bielenberg, Karla A. Lechtenberg, Ronald K. Faller, and John D. Reid

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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