Follow

Submissions from 2016

PDF

Earthwork Haul-Truck Cycle-Time Monitoring – A Case Study, Ahmad Abdulraheem Alhasan and David J. White

PDF

Owner-Operator versus Company-Driver Safety Performance Analysis, David E. Cantor

PDF

Development and Evaluation of a Portable Device for Measuring Curling and Warping in Concrete Pavements, Halil Ceylan

PDF

Development of a Wireless MEMS Multifunction Sensor System and Field Demonstration of Embedded Sensors for Monitoring Concrete Pavements, Halil Ceylan, Liang Dong, Shuo Yang, Yueyi Jiao, Sunghwan Kim, Kasthurirangan Gopalakrishnan, Peter Taylor, and Seval Yavas

PDF

Impact of Curling and Warping on Concrete Pavement, Halil Ceylan, Kasthurirangan Gopalakrishnan, Sunghwan Kim, Peter Taylor, Ahmad Abdulraheem Alhasan, and Shuo Yang

PDF

Polymer Concrete Overlay Evaluation, Justin M. Dahlberg and Brent Phares

PDF

Investigation of the Effect of Speed on the Dynamic Impact Factor for Bridges with Different Entrance Conditions, Yaohua Jimmy Deng and Brent Phares

PDF

Machine-Vision-Based Roadway Health Monitoring and Assessment: Development of a Shape-Based Pavement-Crack-Detection Approach, Kasthurirangan Gopalakrishnan, Omar G. Smadi, Halil Ceylan, Koray Celik, and Arun K. Somani

PDF

Safety Edge Crash Modification Factors, Shauna L. Hallmark, Amrita Goswamy, and Michael David Pawlovich

PDF

Upgrading Bridge Rails on Low-Volume Roads in Iowa, Zachary Hans, Basak Aldemir Bektas, and Brent Phares

PDF

Pervious Concrete Physical Characteristics and Effectiveness in Stormwater Pollution Reduction, Say Kee Ong, Kejin Wang, Yifeng Ling, and Guyu Shi

PDF

Investigation of the Impact of Dual-Lane Axle Spacing on Lateral Load Distribution, Brent Phares and Yaohua Jimmy Deng

PDF

Laboratory Investigation of Bridge Strip Seal Joint Termination Details tech transfer summary, Brent Phares and Travis Hosteng

PDF

Investigation of Techniques for Accelerating the Construction of Bridge Deck Overlays, Brent Phares, Travis Hosteng, Lowell Greimann, and Anmol Pakhale

PDF

Investigation of High-Strength Bolt-Tightening Verification Techniques, Brent Phares, Yoon-Si Lee, Tim Brockman, and Jessica Rooney

PDF

Draft Project Management Update to the Iowa DOT Project Development Manual, Jennifer S. Shane

PDF

Iowa DOT Project Management Peer Exchange, Jennifer S. Shane

PDF

Investigation of Deterioration of Joints in Concrete Pavements: Field Study of Penetrating Sealers, Lawrence L. Sutter, Gerald C. Anzalone, and Peter Taylor

PDF

Evaluation and Testing of a Lightweight Fine Aggregate Concrete Bridge Deck in Buchanan County, Iowa, Peter C. Taylor, Travis Hosteng, Xuhao Wang, and Brent Phares

PDF

Conclusions from the Investigation of Deterioration of Joints in Concrete Pavements, Peter Taylor, Jiake Zhang, and Xin Wang

PDF

Terrestrial Laser Scanning-Based Bridge Structural Condition Assessment, Yelda Turkan, Simon Laflamme, and Liangyu Tan

PDF

Developing Green, Highly Flowable, Rapid Set, High-Performance Concrete for Pavement Patch Repair, Kejin Wang and Gilson Lomboy

PDF

Embankment Quality and Assessment of Moisture Control Implementation, David J. White, Shengting Li, and Pavana Vennapusa

PDF

Temporary Traffic Control Handbook for Local Agencies, Paul Wiegand and Beth Richards

PDF

Validation of Gyratory Mix Design in Iowa, R. Christopher Williams, Ashley Buss, Marie Grace Joson Mercado, Hosin David Lee, and Ashkan Bozorgzad

Submissions from 2015

PDF

Iowa Pavement Asset Management Decision-Making Framework, Ahmed Abdelaty, H. David Jeong, Omar G. Smadi, and Douglas D. Gransberg

PDF

Iowa’s Bridge and Highway Climate Change and Extreme Weather Vulnerability Assessment Pilot, Christopher J. Anderson, David Claman, and Ricardo Mantilla

PDF

Assessment of Nondestructive Testing Technologies for Quality Control/Quality Assurance of Asphalt Mixtures, Jeramy C. Ashlock, R. Christopher Williams, Hosin David Lee, Shibin Lin, Hanjun Kim, and Jeremy Nash

PDF

A Firm Size and Safety Performance Profile of the U.S. Motor Carrier Industry, David E. Cantor

PDF

Investigation of AASHTOWare Pavement ME Design/DARWinME Performance Prediction Models for Iowa Pavement Analysis and Design, Halil Ceylan, Kasthurirangan Gopalakrishnan, and Sunghwan Kim

PDF

Evaluating Roadway Subsurface Drainage Practices - Phase II, Halil Ceylan, Sunghwan Kim, Kasthurirangan Gopalakrishnan, Robert F. Steffes, and Bo Yang

PDF

Iowa ABC Connections, Justin M. Dahlberg and Brent Phares

PDF

VISSIM Calibration for Urban Freeways, Jing Dong, Andrew Jeremy Houchin, Navid Shafieirad, Chaoru Lu, Neal R. Hawkins, and Skylar Knickerbocker

PDF

Automation of DEM Cutting for Hydrologic/Hydraulic Modeling, Brian K. Gelder

PDF

Asset Management Program Enhancement Plan: Baseline Assessment Phases I and II, Douglas D. Gransberg, Susan L. Tighe, and Maria Catalina Miller

PDF

Modeling Merging Behavior at Lane Drops, Shauna L. Hallmark and Nicole Lynn Oneyear

PDF

Development of Railroad Highway Grade Crossing Consolidation Rating Formula, Zachary Hans, Christopher Albrecht, Patrick Michael Johnson, and Inya Nlenanya

Improving the Accuracy of Camber Predictions for Precast Pretensioned Concrete Beams, Ebadollah Honarvar, James Nervig, Wenjun He, Sri Sritharan, and Jon Matthews Rouse

PDF

Laboratory Investigation of Concrete Beam-End Treatments, Travis Hosteng, Ahmad Abu-Hawash, Gordon Port, and Brent M. Phares

PDF

Laboratory Investigation of Grouted Coupler Connection Details for ABC Bridge Projects, Travis Hosteng, Brent Phares, Ahmad Abu-Hawash, Dean Bierwagen, and Jim S. Nelson

PDF

Evaluation of Pavement Markings on Low-Volume Rural Roadways in Iowa, Keith K. Knapp

PDF

Low-Cost Rural Surface Alternatives: Demonstration Project, Cheng Li, Jeramy C. Ashlock, David J. White, and Pavana Vennapusa

PDF

Implementation of a Pilot Continuous Monitoring System: Iowa Falls Arch Bridge, Brent Phares, Justin M. Dahlberg, and Nicholas Burdine

PDF

Evaluation of the Need for Longitudinal Median Joints in Bridge Decks on Dual Structures, Brent Phares, Lowell Greimann, and Zhengyu Liu

PDF

Investigation of Negative Moment Reinforcing in Bridge Decks, Brent Phares, Sameera Jayathilaka, and Lowell Greimann

PDF

Alkali Content of Fly Ash – Measuring and Testing Strategies for Compliance, Scott M. Schlorholtz

PDF

Modeling Airside Operations at Major Airports for Strategic Decision Support, L. Douglas Smith, Liang Xu, Ziyi Wang, and Deng Pan

PDF

Comparison of Setting Time Measured Using Ultrasonic Wave Propagation with Saw-Cutting Times on Pavements, Peter Taylor, Kejin Wang, Xuhao Wang, and Xin Wang

PDF

Reflective Crack Mitigation Guide for Flexible Pavements Final Report, R. Christopher Williams, Ashley F. Buss, and Can Chen

PDF

Development of Non-Petroleum-Based Binders for Use in Flexible Pavements – Phase II, R. Christopher Williams, Elvira Joana Joana Ferreira Ferreira Peralta, and Ka Lai Nieve Ng Puga

Submissions from 2014

PDF

Structural Characterization of UHPC Waffle Bridge Deck and Connections, Sriram Aaleti, Ebadollah Honarvar, Sri Sritharan, Jon Matthews Rouse, and Terry J. Wipf

PDF

Pavement Management Performance Modeling: Evaluating the Existing PCI Equations,, Fatih Bektas, Omar G. Smadi, and Mazin Al-Zoubi

PDF

Study of the Regulatory Issues Affecting Truck Freight Movement in the Midwest, Jong Dong, Christopher Albrecht, Patrick Michael Johnson, and Micah Keala Makaiwi

PDF

Development of Asphalt Dynamic Modulus Master Curve Using Falling Weight Deflectometer Measurements, TR-659, Kasthurirangan Gopalakrishnan, Halil Ceylan, Sunghwan Kim, and Orhan Kaya

PDF

Chevrons and Oversized Chevrons, Shauna L. Hallmark and Neal R. Hawkins

PDF

Dynamic Speed Feedback Signs, Shauna L. Hallmark and Neal R. Hawkins

PDF

On-Pavement Signing, Shauna L. Hallmark and Neal R. Hawkins

PDF

Synthesis of Iowa Research to Address Rural Safety, Shauna L. Hallmark and Neal R. Hawkins

PDF

Vertical Delineation, Shauna L. Hallmark and Neal R. Hawkins

PDF

Statewide Heavy-Truck Crash Assessment -- tech transfer summary, Zachary Hans and Konstantina Gkritza

PDF

Safety and Mobility Impacts of Winter Weather --Phase 3 Tech Transfer Summary, Zachary Hans, Neal R. Hawkins, Konstantina Gkritza, Mohammad Saad Bin Shaheed, and Inya Nlenanya

PDF

Rapid Replacement of Bridge Deck Expansion Joints Study – Phase I, Charles T. Jahren and Adma Michael Miller

PDF

Quantifying Uncertainty in Real Time Performance Measurement for Highway Winter Maintenance Operations – Phase 2, Jillian Lyon, Zhengyuan Zhu, and Mark Steven Kaiser

PDF

Development of Preliminary Load and Resistance Factor Design of Drilled Shafts in Iowa, Kam W. Ng, Sri Sritharan, and Jeramy C. Ashlock

PDF

Electronic Construction Collaboration System – Final Phase, Jose A. Perez Reboredo and Charles T. Jahren

PDF

Field Monitoring of Curved Girder Bridges with Integral Abutments, Brent M. Phares

PDF

Investigation of Field Corrosion Performance and Bond/Development Length of Galvanized Reinforcing Steel, Brent M. Phares, Yoon-Si Lee, Brian Keierleber, Jack Hupp, and Anurag Samudrala

PDF

Methods for Removing Concrete Decks from Bridge Girders, TR-647, Brent M. Phares, Jennifer S. Shane, Justin Michael Dahlberg, and Hongtao Dang

PDF

Optimizing Pavement Base, Subbase, and Subgrade Layers for Cost and Performance of Local Roads, David J. White and Pavana Vennapusa

PDF

Assessment of Asphalt Interlayer Designed on Jointed Concrete, R. Christopher Williams and Andrew A. Cascione

Submissions from 2013

PDF

Feasibility Study for Detection and Quantification of Corrosion in Bridge Barrier Rails, Lisa H. Brasche

PDF

Investigation of Warm-Mix Asphalt for Iowa Roadways, Phase II, Ashley F. Buss and R. Christopher Williams

PDF

Pilot Construction Project for Granular Shoulder Stabilization, Fangyu Guo, Miguel Andres Guerra, Charles T. Jahren, and David J. White

PDF

Work-Zone Traffic Performance Measures, Shauna L. Hallmark

PDF

Center Island with Raised Curbing for Rural Traffic Calming, Shauna L. Hallmark, Skylar Knickerbocker, and Neal R. Hawkins

PDF

Colored Entrance Treatments for Rural Traffic Calming, Shauna L. Hallmark, Skylar Knickerbocker, and Neal R. Hawkins

Dynamic Speed Feedback Signs for Rural Traffic Calming, Shauna L. Hallmark, Skylar Knickerbocker, and Neal R. Hawkins

PDF

Transverse Speed Bars for Rural Traffic Calming, Shauna L. Hallmark, Skylar Knickerbocker, and Neal R. Hawkins

PDF

RFID Tags for Detecting Concrete Degradation in Bridge Decks, Tyler J. Lesthaeghe, Samuel Frishman, Stephen D. Holland, and Terry J. Wipf

PDF

Geo-Infrastructure Damage Assessment, Repair and Mitigation Strategies, Pavana Vennapusa, David J. White, and D. Kelly Miller

PDF

Geo-Infrastructure Post-Flood Damage Assessment, Repair and Mitigation Strategies, David J. White and Pavana Vennapusa

PDF

Low-Cost Rural Surface Alternatives: Tech Transfer Summary, David J. White and Pavana Vennapusa

PDF

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: TPF-5(213), R. Christopher Williams

PDF

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: TPF-5(213), Colorado DOT's Project Involvement, R. Christopher Williams

PDF

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: TPF-5(213), Illinois DOT's Project Involvement, R. Christopher Williams

PDF

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: TPF-5(213), Indiana's DOT Project Involvement, R. Christopher Williams

PDF

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: TPF-5(213), Iowa DOT's Project Involvement, R. Christopher Williams

PDF

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: TPF-5(213), Minnesota DOT's Project Involvement, R. Christopher Williams

PDF

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: TPF-5(213), Missouri's DOT Project Involvement, R. Christopher Williams

PDF

Performance of Recycled Asphalt Shingles in Hot Mix Asphalt: TPF-5(213), Wisconsin DOT's Project Involvement, R. Christopher Williams

Submissions from 2012

PDF

Timber Abutment Piling and Back Wall Rehabilitation and Repair, Brent M. Phares, David J. White, and Justin M. Dahlberg

PDF

Motorcycle conspicuity: what factors have the greatest impact, Mohammad Saad Bin Shaheed, Konstantina Gkritza, and Dawn Marshall

PDF

Modified Sheet Pile Abutments for Low-Volume Road Bridges, David J. White and F. Wayne Klaiber

PDF

Geosynthetic Reinforced Soil for Low-Volume Bridge Abutments, David J. White, Pavana K. R. Vennapusa, and F. Wayne Klaiber

Submissions from 2011

PDF

Stabilization Procedures to Mitigate Edge Rutting for Granular Shoulders—Phase II, Charles T. Jahren and David J. White

PDF

Investigation of Warm-Mix Asphalt Using Iowa Aggregates, R. Christopher Williams

Submissions from 2010

PDF

An Assessment of Traffic Safety in Urban Deer Herd Management Zones in Iowa, Konstantina Gkritza, Michael James Baird, and Zachary Hans

PDF

Biofuel Co-Product Uses for Pavement GeoMaterials Stabilization, Kasthurirangan Gopalakrishnan, Halil Ceylan, and Sunghwan Kim

PDF

Optimization and Management of Materials in Earthwork Construction, Vernon R. Schaefer and David J. White

PDF

Development of Non-Petroleum Based Binders for Use in Flexible Pavements, R. Christopher Williams