Roy Sturgill
About Roy
Dr. Roy Sturgill is an accomplished researcher and has served as principal investigator or co-investigator on over a dozen research projects totaling over $1.5M (inclusive of both state and national funding). Before coming to Iowa State University, he worked as a research engineer at the Kentucky Transportation Center at the University of Kentucky in their Construction Engineering and Project Management Program and as an engineer with the Kentucky Transportation Cabinet, working in construction management and highway design conducting constructability reviews.
Dr. Sturgill is a member of the Transportation Research Board’s Standing Committee on Construction Management, friend to the Information Systems in Construction Management Sub-committee, friend to the Standing Committee on Project Delivery Methods, and Committee Research Chair of the Standing Committee on Utilities. He is a licensed professional engineer in both Kentucky and Iowa and has held previous sustainability-related credentials (LEED GA and GreenRoads STP).
Resume
Education
- University of Kentucky– Lexington, Kentucky
- PhD, Civil Engineering, 2018
- MA, Business Administration, 2003
- BS, Civil Engineering (Minor: Mathematics), 2003
- Graduate Certificates: Applied Statistics
- Virginia Polytechnic Institute and State University
- MS, Civil Engineering – Construction Engineering and Project Management, 2004
- Graduate Certificates: Engineering Education, Preparing the Future Professoriate
Certifications
- Professional Engineering (PE) License, State of Iowa (No. P25629) (Active)
- Professional Engineering (PE) License, State of Kentucky (No. 26119) (Active)
- Leadership in Energy and Environmental Design Green Associate (LEED-GA), 2009 (Inactive)
- Greenroads Sustainable Transportation Professional, STPα, among the initial 25 credentialed, 2012 (Inactive)
Professional Experience
- Associate Professor, Department of Civil, Construction and Environmental Engineering, Iowa State University, 2019–present
- Research Engineer, Kentucky Transportation Center, University of Kentucky, 2012–2019
- Adjunct Instructor, Department of Civil Engineering, University of Kentucky, 2013–2013
- Adjunct Instructor, Civil Engineering Technology Program, Bluegrass Community and Technical College, 2012–2014
- Engineer, Division of Highway Design, Kentucky Transportation Cabinet, 2012–2013
- Engineer, Division of Construction, Kentucky Transportation Cabinet, 2007–2012
Selected Publications
- Al-Bayati, A., R. Sturgill, L. Panzer, Montes Victorio, S., and Omer, T. 2022. Locating underground utilities in the United States: A comparative analysis of services provided by private locators. Transportation Research Interdisciplinary Perspectives, Vol. 16.
- Tripathi, A., D. Patel, R. Sturgill, and G. Dadi. 2022. An Analysis of e-Ticketing Technology for Inspection Performance and Practicality on Asphalt Paving Operations. Transportation Research Record: Journal of the Transportation Research Board, Vol. 2676, No. 8.
- Li, Y., S. Al-Haddad, T. Taylor, P. Goodrum, and R. Sturgill. 2019. Impact of Utilizing Construction Engineering and Inspection Consultants on Highway Construction Project Cost and Schedule Performance. Transportation Research Record: Journal of the Transportation Research Board, Vol. 2673, No. 11, pp. 716–725.
- Al-Shabbani, Z., R. Sturgill, and G. Dadi. 2018. Developing a Pre-Task Safety Briefing Tool for Kentucky Maintenance Personnel. Transportation Research Record: Journal of the Transportation Research Board, Vol. 2672, No. 12, pp. 187–197.
- Li, Y., T. Taylor, G. Dadi, and R. Sturgill. 2017. Modeling Long-Term Highway Staffing Requirements for State Transportation Agencies. Transportation Research Record: Journal of the Transportation Research Board, Vol. 2612, No. 1, pp. 76–84.
Professional Affiliations, Honors, and Service
- Transportation Research Board:
- Committee Research Chair, Standing Committee on Utilities (AFB 70), 2020–present
- Member, Standing Committee on Construction Management (AFH 10), 2013–present
- Friend, Information Technology in Construction Subcommittee (AFH 10(1)), 2013–present
- Friend, Standing Committee on Project Delivery Methods (AFH 15), 2016–present
- Member, American Society of Civil Engineers, UESI Utility Coordination Committee, 2018–present
- Member, American Association of State Highway Transportation Officials (AASHTO) Technical Subcommittees (Utility Mapping, GIS & SUE; Utility Project Scoping & Coordination; Utility Accommodation & Safety), 2017–present
Research
Completed Research
In-Progress Research
Guillermo Basulto-Elias
About Guillermo
Dr. Guillermo Basulto-Elias is a research scientist at the Institute for Transportation at Iowa State University. He has experience in statistical computing, data visualization, generalized linear mixed effects models, nonparametric statistics, machine learning, and stochastic processes.
In recent years, he has worked on nonparametric models of data with measurement error and forensic statistics, which include footwear analysis, models for speaker recognition, and design and supervision of shoe prints forensic database. More recently, he has worked on software development for generating reports of crashes, and statistical models for traffic data, including linear mixed effects models, hierarchical Bayesian models, and functional data analysis.
Resume
Education
- PhD, Statistics, Iowa State University, Ames, IA, 2016
- MS, Probability and Statistics, Center for Research in Mathematics (CIMAT), University of Guanajuato, Guanajuato, Mexico, 2011
- BS, Mathematics, University of Guanajuato, Guanajuato, Mexico, 2009
Professional Experience
- Research Scientist, Institute for Transportation, Iowa State University, Ames, IA, 2019–present
- Postdoctoral appointment, Institute for Transportation, Iowa State University, Ames, IA, 2019–2019
- Postdoctoral appointment, Center for Statistics and Applications in Forensic Evidence, Iowa State University, Ames, IA, 2016–2018
- Graduate Assistant, Iowa State University, Ames, IA, 2011–2016
Selected Publications
- Hallmark, S., G. Basulto-Elias, and J. Shaw. 2021. Systematic Reviews: Roadside Barriers. The World Bank, Washington, DC.
- Hallmark, S., G. Basulto-Elias, N. Oneyear, O. Smadi, S. Chrysler, and G. Ullman. 2021. Evaluation of Work Zone Safety Using the SHRP2 Naturalistic Driving Study Data–Volume 1 Toolbox of Work Zone Countermeasures. Minnesota Department of Transportation, St. Paul, MN.
- Basulto-Elias, G., A. Carriquiry, K. De Brabanter, and D. Nordman. 2020. Bivariate kernel deconvolution with panel data. Sankhya B: The Indian Journal of Statistics.
- Goswamy, A., S. Hallmark, G. Basulto-Elias, and M. Pawlovich. 2019. Safety Evaluation of Stop-Sign Mounted Beacons—A Cross-Sectional Study. Journal of Transportation Technologies, Vol. 9, No. 1.
- Basulto-Elias, G., A. Carriquiry, K. De Brabanter, and D. Nordman. 2017. “fourierin”: An R package to compute Fourier integrals. The R Journal, Vol. 9, No. 2.
Professional Affiliations, Honors, and Awards
- President, American Statistical Association, Iowa Chapter, IA, 2019–2020
- Member of winning team of the 2014 Data Mining Cup organized by Prudsys AG, 2014
- Second runner-up of Sotero Prieto Award to the best undergraduate thesis in Mathematics of Mexico, given by the Mexican Mathematical Society, 2010
- Third place by Francisco Aranda Award to the best undergraduate thesis in Statistics of Mexico, given by the Mexican Statistics Association, 2010
Research
Completed Research
In-Progress Research
Oksana Gieseman
About Oksana
Ms. Oksana Gieseman is the communications manager with the Institute for Transportation. She is responsible for the management of InTrans communications efforts that include technical writing, editing, marketing, and public relations services.
Ms. Gieseman joined InTrans in October 2018. She brought over 15 years of experience in communications, marketing, and management.
Resume
Education
- M.A., Rhetoric, Composition, and Professional Communication, Iowa State University, 2006
- B.S. (with Honors Distinction), Technical Communication with concentrated study in Computer Science, Iowa State University, 2003
Professional Experience
- Communications Manager, Grants Hub, Iowa State University: July 2017–October 2018
- Director of Operations, AgSolver, Inc.: August 2013–July 2017
- Director of Publications/Editor of the Journal of Soil and Water Conservation, Soil and Water Conservation Society: January 2009–August 2013
- Communications Specialist, Center for Transportation Research and Education (CTRE), Iowa State University: September 2005–January 2009
- Technical Editor, Center for Transportation Research and Education, Iowa State University: January 2004–September 2005
Zhengyu Liu
About Zhengyu
Dr. Zhengyu Liu is a research engineer for the Bridge Engineering Center (BEC) and the Timber Bridge Program. He provides analytical expertise and project oversight for BEC projects. Dr. Liu has been involved in the conduct of bridge-related research for over eight years.
Dr. Liu received his master’s degree in civil engineering in 2014 and doctorate in structural engineering in 2018 from Iowa State University. Following the completion of his PhD, he continued his work at the Bridge Engineering Center as a research engineer. In total, he has contributed to more than 20 bridge-related research projects for numerous federal, state, and local agencies. His current research is in the general area of bridge engineering with specific interest in accelerated bridge construction (ABC), precast bridge element design and connection detailing, time-dependent bridge superstructure behavior, structural health monitoring and load rating, and highly nonlinear bridge structure simulation, etc. He is an author/co-author of more than 20 bridge structure related research reports and peer-reviewed journal articles.
Resume
Education
- PhD, Civil Engineering, Iowa State University, 2018
- MS, Civil Engineering, Iowa State University, 2014
- BS, Civil Engineering, Shenyang University of Technology, China, 2012
Certifications
- Professional Engineer (PE) License, State of Iowa (No. P25328)
Professional Experience
- Research Engineer, Bridge Engineering Center, Institute for Transportation, Iowa State University, Ames, IA, 2018–present
- Graduate Research Assistant, Department of Civil, Construction and Environmental Engineering, Iowa State University, Ames, IA, 2013–2018
Selected Publications
- Liu, Z., and B. M. Phares. 2023. Field Demonstration of an Innovative Box Beam Connection. Journal of Bridge Engineering, Vol. 28, No. 1.
- Liu, Z., J. Dahlberg, and B. M. Phares. 2023. Field Demonstration of an Innovative Box Beam Connection, IHRB Project 18-647. Iowa Department of Transportation, Ames, IA.
- Phares, B. M., K. S. Freeseman, Z. Liu, and S. Mousavi. 2023. Advancing Bridge Load Rating: Best Practices and Model Frameworks. Federal Highway Administration, Washington, DC.
- Liu, Z., B. M. Phares, Z. Dietrich, and B. Shafei. 2022. Structural behavior of large anchor bolts used for sign-support structures. Journal of Constructional Steel Research, Vol. 190.
- Liu, Z., A. Semendary, and B. M. Phares. 2022. Numerical Investigation on Early Age Performance of UHPC Shear Keys between an Adjacent Prestressed Concrete Box Beams. Advances in Structural Engineering.
- Freeseman, K. S., Z. Liu, B. M. Phares, and S. Mousavi. 2021. Experimental Validation of a Rapid Assessment Tool for Pile Capacity and Stability in Response to Scour Situations. Institute for Transportation, Iowa State University, Ames, IA.
- Liu, Z., K. S. Freeseman, J. M. Dahlberg, B. M. Phares, and M. LaViolette. 2021. Lateral Slide of Multi-Span Bridges: Investigation of Connections and Other Details–Phase I. Institute for Transportation, Iowa State University, Ames, IA.
- Freeseman, K. S., Z. Liu, and B. M. Phares. 2021. Implementation of the Negative Moment Reinforcing Detail Recommendations.” Iowa Highway Research Board, Iowa Department of Transportation, Ames, IA.
- Freeseman, K. S., Z. Liu, and T. B. Sanderson. 2021. Exploration of Ultrasound for the Evaluation and Preservation of Structures. Iowa Highway Research Board, Iowa Department of Transportation, Ames, IA.
- Sanderson, T. B., Z. Liu, and K. S. Freeseman. 2021. Exploration of Ultrasound for the Evaluation and Preservation of Structures. Case Studies in Construction Materials, Elsevier.
- Liu, Z., and A. Semendary. 2021. Numerical Investigation on Early Age Performance of UHPC Shear Keys between an Adjacent Prestressed Concrete Box Beams. Advances in Structural Engineering.
Research
Completed Research
In-Progress Research
Adarsh Krishnamurthy
About Adarsh
Dr. Krishnamurthy is an Associate Professor in the Department of Mechanical Engineering at Iowa State University. He also contributes to various research on transportation projects associated with the Real-Time Analytics of Transportation Data (REACTOR) Laboratory.
Alicia Hoermann
About Alicia
Ms. Alicia Hoermann is a digital communication specialist/graphic designer working with the Institute for Transportation’s communications group. Her primary responsibilities include leading design and communication on a variety of print- and electronic-based materials for technical/research and promotional/marketing applications. She has become proficient in generating documents that meet 508-compliance standards for full accessibility. Additionally, she collaborates with other team members to complete website, photography, and video projects. She has worked professionally as a graphic designer and specialist in various positions and industries since 2009.
Resume
Education
- BA, Graphic Design and Studio Art, Morningside College, Sioux City, Iowa, 2009
- BS, Advertising, Morningside College, Sioux City, Iowa, 2009
Professional Experience
- Digital Communication Specialist/Graphic Designer, Institute for Transportation, Iowa State University, 2018–present
- Leads design and communication for a variety of print- and electronic-based materials, including brochures, manuals, posters, flyers, signage, postcards, logos, newsletters, presentations, and other technical and research publications
- Proficient in generating documents that meet 508-compliance standards for full accessibility
- Collaborates with other team members to complete website, photography, and video projects
- Assists in coordination of yearly events held by the Institute for Transportation, working alongside leadership to determine logistics and leading any visual-related request
- Integral to completion of research-related publications, communicating with principal investigators and their center/program staff through various stages, and ensuring contract requirements are professional in appearance and completed in a timely manner
- Marketing and Graphic Design Specialist, WINPRO Performance Products, LLC, 2016–2017
- Contributed in design, marketing, sales, and administrative efforts to promote a line of canine performance supplements that helps dogs live fuller and feel their best
- Led all branding efforts, including ad design, website appearance, literature and signage creation, apparel and gear, initial social media management, and brand video creation
- Developed packaging process—Initiated a sampling program and designed product labels for different size offerings, ensuring compliance with regulatory bodies
- Graphic Design Specialist, APC, Inc., 2011–2016
- Responsible for concepting, designing, and obtaining approval for all marketing material
- Established and owned brand guidelines; created and routinely updated common literature pieces; developed highly impactful brand signage for trade shows and events
- Designed print/digital ads and web banners for various equine and livestock publications
- Created brand video storyboards; shot and edited various in-house videos
- Assisted with creative process for new and existing products, leading internal packaging design portion, ensuring all labeling was compliant with industry regulations
- Graphic Designer, Times Citizen Communications, 2009–2010
- Generated new advertising campaign and design initiatives for local companies
- Assisted with weekly newspaper publishing tasks
- Collectively collaborated with advertising representatives, web programmers, and clients
Chris Williams
About Chris
Dr. R. Chris Williams has served as the principal investigator (PI) or Co-PI on numerous pavements and materials related research projects totaling more than $50M. Dr. Williams has more than 22 years of research experience managing and directing research funded by governmental agencies and major corporations. He has 25+ years of research experience in asphalt materials and pavement design. This experience includes the development and use of new materials in asphalt materials, design and evaluation of hot mix asphalt, design and construction specification development for hot mix asphalt, fundamental characterization of asphalt materials and hot mix asphalt, recycled asphalt shingles and reclaimed asphalt pavement, ground tire rubber in asphalt applications, and mechanistic-empirical pavement design.
His accomplishments include a substantial amount of work in sustainability, including the development of new biopolymers, bio-rejuvenators, and compaction aids/warm mix asphalt technologies from a bio-derived material, use of ground tire rubber and recycled asphalt shingles in asphalt mixtures, mixtures containing high amounts of recycled asphalt pavement, and evaluation of warm mix asphalt technologies.
Resume
Education
- PhD, Civil Engineering, Purdue University, 1996
- MS, Civil Engineering, Purdue University, 1993
- BS, Civil Engineering, University of Vermont, 1991
Professional Experience
- Gerald & Audrey Professor, Department of Civil, Construction and Environmental Engineering, Iowa State University, 2011–Present
- Associate Professor, Department of Civil, Construction and Environmental Engineering, Iowa State University, August 2005–2011
- Assistant/Associate Professor, Department of Civil and Environmental Engineering, Michigan Technological University, 1999–2005
Selected Publications
- Elkashef, M., R. C. Williams, and E. Cochran. 2018. Effect of Asphalt Binder Grade and Source on the Extent of Rheological Changes in Rejuvenated Binders. Journal of Materials in Civil Engineering, Vol. 30, No. 12.
- Chen, C., J. H. Podolsky, N. Hernandez, A. Hohmann, R. C. Williams, and E. W. Cochran. 2018. Rheological Properties and Effects of Aging on Acrylated Epoxidized Soybean Oil (AESO) Monomer Modified Asphalt Binder. Int’l Journal of Road Materials and Pavement Design, pp. 1–27.
- Podolsky, J. H., A. F. Buss, R. C. Williams, and E. W. Cochran. 2017. Effect of Bio-Derived/Chemical Additives on Warm Mix Asphalt Compaction and Mix Performance at Low Temperature. International Journal of Cold Regions Science and Technology.
- Lin, S., J. A. Ashlock, and R. C. Williams. 2016. Nondestructive Quality Assessment of Asphalt Pavements Based on Dynamic Modulus. Journal of Construction and Building Materials, Vol. 112, pp. 836–847.
- Chen, C., R. C. Williams, M. G. Marasinghe, J. C. Ashlock, S. Schram, and A. Buss. 2015. Assessment of Composite Pavement Performance by Survival Analysis. ASCE Journal of Transportation Engineering, Vol. 141, No. 9.
Honors, Recognitions, and Outstanding Achievements
- The American Cleaning Institute/National Biodiesel Board (ACI/NBB) Glycerine Innovation Award, 2019
- ISU Award for Achievement in Intellectual Property, 2018
- Named the Gerald and Audrey Olson Professor in Civil Engineering, 2014
- Research Partnership Award, Center for Transportation Studies, University of Minnesota, 2013
- Best Paper Award, 8th International Conference on Road and Airfield Pavement Technology, Taiwan, China, 2013
- Best Paper Award, 2nd International Conference WASTES: Solutions, Treatments and Opportunities, Braga, Portugal, 2013
- Best Paper Award, MAIREPAV7 Conference, Auckland, New Zealand, 2012
- Adjunct Faculty Member, Michigan Technological University, 2005–2009
- Howard E. Hill Chi Epsilon Outstanding Faculty of the Year for the Department of Civil and Environmental Engineering at Michigan Tech (based upon student voting), 2003–2004
Professional Affiliations
- American Society of Civil Engineers, 1989–present
- American Society for Testing & Materials, 1996–present
- Association of Asphalt Paving Technologists, 2000–present
- National Stone, Sand & Gravel Association Research Advisory Board, 1999–present
- Transportation Research Board, 1992–present
- Member of AFK40: Characteristics of Bituminous-Aggregate Combinations To Meet Surface Requirements, 2005–present
Research
Completed Research
In-Progress Research
Omar Smadi
About Omar
Dr. Omar Smadi has over 25 years of experience in the area of infrastructure and asset management ranging from pavements, bridges, safety, pavement marking, signs and other infrastructure assets. He is currently serving as principal investigator for several research projects for the Iowa Department of Transportation, Iowa Highway Research Board, the federally funded Midwest Transportation Center, National Cooperative Highway Research Program, Second Highway Research Program, and Federal Highway Administration dealing with roadway data, safety, and asset management.
Resume
Education
- PhD, Transportation Engineering, Iowa State University, 2000
- MS, Transportation Engineering, Iowa State University, 1994
- BS, Civil Engineering, Yarmouk University, Jordan, 1987
Professional Experience
Iowa State University (ISU), Department of Civil, Construction and Environmental Engineering
- Professor, 2023–present
- Associate Professor, 2014–2023
- Associate Chair for Research and International Collaboration, 2020–present
Institute for Transportation, Iowa State University
- Director, Center for Transportation Research and Education (CTRE), 2015–present
- Director, Roadway Infrastructure Management and Operations Systems (RIMOS) program, 2010–present
- Research Scientist, 1994–present
Selected Publications
Dr. Smadi has authored or co-authored a total of 48 peer-reviewed archival journal articles in impactful journals. Since joining the CCEE Department in 2014, Dr. Smadi published 36 journal articles, with the overwhelming majority being with his students, post-doctoral associates, and fellow research staff. In addition to journal articles, Dr. Smadi has authored 65 peer-reviewed conference proceedings and 39 technical reports.
- Abukhalil, Y., and O. Smadi. 2022. A Bootstrap-Based Integer Programming Algorithm for Budget Allocation in Pavement Management Systems. Journal of Infrastructure Systems, Vol. 28, No. 1.
- Chen, Y-A., H. Ceylan, I. Nlenanya, O. Kaya, O. Smadi, P. C. Taylor, S. Kim, K. Gopalakrishnan, and D. E. King. 2022. Long-term performance evaluation of Iowa concrete overlays. International Journal of Pavement Engineering, Vol. 23, No. 3.
- Nlenanya, I., and O. Smadi. 2021. A Risk Management Database Framework Implementation for Transportation Asset Management. CivilEng, Vol. 2, pp. 193–
- Sassani, A., O. Smadi, and N. Hawkins. 2021. Developing Pavement Marking Management Systems: A Theoretical Model Framework Based on the Experiences of the US Transportation Agencies. Infrastructures.
- Safaei, N., O. Smadi, A. Masoud, and B. Safaei. 2021. An Automatic Image Processing Algorithm Based on Crack Pixel Density for Pavement Crack Detection and Classification. International Journal of Pavement Research and Technology, 15, pp. 159–172.
- Alhasan, A., O. Smadi, R. Walton, and B. L. Schleppi. 2020. Pavement texture characterization using wavelets analysis in relation to pendulum skid tester. International Journal of Pavement Engineering.
- Hallmark, S., A. Goswamy, T. Litteral, N. Hawkins, O. Smadi, and S. Knickerbocker. 2020. Evaluation of sequential dynamic chevron warning systems on rural two-lane curves. Transportation Research Record: Journal of the Transportation Research Board, Vol. 2674, No. 10.
Professional Affiliations, Honors, and Service
- American Society of Civil Engineers (ASCE)
- Member, ASCE Infrastructure Management Committee (2008–present)
- Member, ASCE Advanced Technology Committee (2010–present)
- Member, ASCE Highway Pavement Committee (2010–present)
- International Road Federation (IRF)
- Executive Board Member of the Washington Program Center (2012–present)
- Executive Board Treasurer (2021–present)
- Asset Management Committee (Chair for 4 years) (2013–2018)
- Transportation Research Board (TRB)
- Member, TRB Committee AFD20 – Pavement Monitoring and Evaluation (Chair for 6 years) (2004–2016)
- Member, TRB Committee AFD10 – Pavement Management (2005–2014)
- Member, TRB Committee ABC40 – Asset Management (2007–2019)
- Institute of Transportation Engineers (ITE)
- Friend, AASHTO Asset Management Subcommittee
- World Road Association (PIARC): Infrastructure Asset Management Group
Research
Completed Research
In-Progress Research
Sri Sritharan
About Sri
Dr. Sri Sritharan has more than 20 years of research experience and is the author or co-author of more than 250 journal and conference proceeding publications, which cover a range of topics including ultra-high performance concrete, soil-foundation-structure interaction, precast structural systems, and seismic-resistant design. His research experience includes several major collaborative studies involving partnerships with more than 10 researchers and practitioners in each study. He contributes to various research on transportation projects associated with the Bridge Engineering Center.
Resume
Education
- PhD, Structural Engineering, University of California, 1998
- ME, Civil Engineering, University of Auckland, New Zealand, 1989
- BSc, Civil Engineering, University of Peradeniya, Sri Lanka, 1985
Professional Experience
- Member, International Faculty Board, Doctoral Program in Civil and Environmental Engineering, University of Perugia, Italy, 2020–present
- Director, Structure Testing Facilities, Iowa State University, 2016–present
- Faculty member, Center for Post-Graduate Training and Research in Earthquake Engineering and Engineering Seismology, ROSE School, Institute for Advanced Study, Pavia, Italy, 2014–present
- Lead Faculty, Wind Energy Initiative, College of Engineering, Iowa State University, 2011–present
- Adjunct Professor, Department of Civil, Environmental, and Geo-Engineering, University of Minnesota, Minneapolis, 2018–2021
- Interim Assistant Dean for Strategic Initiatives, College of Engineering (CoE), Iowa State University, Ames, 2016–2021
- Wilkinson Chair of Interdisciplinary Engineering, Iowa State University, 2016–2021
Selected Publications
- Liang, X., and S. Sritharan. 2021. Use of Unstressed Strands for Connections of Precast Concrete Members. PCI Journal, Vol. 66, No. 3, pp. 49–66.
- Liu, Q., C. French, and S. Sritharan. 2021. Comparative Response of Rocking-Wall Systems with Cast-in-place and Precast Floor Systems in Buildings. Engineering Structures, Vol. 234.
- Liang, X., C. Du, B. Zhao, Z. Li, S. Sritharan, and H. Zhang. 2021. Performance of Circular Hollow Concrete Columns with a Single Layer of Transverse Reinforcement. Structures, Vol. 32, pp. 15–27.
- Kalliontzis, D., and S. Sritharan. 2021. Seismic Behavior of Unbonded Post-Tensioned Precast Concrete Members with Rubber Layers at the Jointed Connection. PCI Journal, Vol. 66, No. 1, pp. 66–76. Also, published in Japanese in the Journal of Prestressed Concrete, Japan, Japan Prestressed Concrete Institute.
- Liu, Q., C. French, and S. Sritharan, S. 2020. Performance of a PreWEC System with Precast Surrounding Structure. ACI Structural Journal, Vol. 117, No. 23.
- Honarvar, E., S. Sritharan, M. Rouse, and W. Meeker. 2020. Probablistic Approach to Integrating Thermal Effects in Camber and Stress Analyses of Concrete Beams. ASCE Journal of Bridge Engineering, Vol 25, No. 4.
Awards
- ISU Award for Outstanding Achievement in Research, Iowa State University, 2019
- Member of Emerging Leaders Academy, Iowa State University, 2018–2019
- Delmar L. Bloem Distinguished Service Award for Outstanding Leadership of Committee 341 – Earthquake-Resistant Concrete Bridges, American Concrete Institute, 2016
- Martin P. Korn Award, in recognition for a technical paper in the PCI Journal that is most worthy of special commendation for its merit as a contribution in design and research, Precast/Prestressed Concrete Institute, 2016
- George D. Nasser Award, for a paper relating to the design, research production, or construction of precast concrete structures, award recognized three co-authors who were 40 years of age or younger, 2016
- Y. Lin Award for contributions to the field of field of Prestressed Concrete, American Society of Civil Engineers (ASCE), 2016
- R. Boylan Eminent Faculty Award for Research, College of Engineering, Iowa State University, 2016
- Renewable Energy Impact Award, Iowa Energy Center, 2015
Research
Completed Research
In-Progress Research
Peter Taylor
About Peter
Dr. Peter Taylor leads internationally recognized research at the National Concrete Pavement Technology Center. His high-impact work has resulted in the development of standard practices such as AASHTO PP 84: Developing Performance Engineered Concrete Pavement Mixtures. Additionally, his research has helped transportation agencies save millions of dollars by preventing premature failures in sawn joints and improving concrete proportioning tools for sustainable concrete mixtures.
Dr. Taylor regularly presents at workshops, seminars, and conferences as an invited speaker, where the information he presents about the current research in concrete technology has a strong impact on the concrete pavement community in the United States and internationally.
Resume
Education
- PhD, Civil Engineering, University of Cape Town, South Africa, 1995
- BS, Civil Engineering, University of Cape Town, South Africa, 1982
Professional Experience
- Director, National Concrete Pavement Technology Center, Iowa State University, Ames, IA, 2015–present
- Research Professor, Civil, Construction, and Environmental Engineering, Ames, IA, 2020–present
- Co-Director, Center for Nanotechnology of Cementitious Systems, Iowa State University, 2008–2015
- Engineer & Group Manager, Construction Technology Laboratories (CTLGroup), 1997–2007
- Engineer, Cement and Concrete Institute, South Africa, 1992–1997
- Senior Lecturer, University of Cape Town, South Africa, 1990–1991
- Research Officer, University of Witwatersrand, South Africa, 1987–1989
- Engineer, Stewart Scott, NCL – Consulting Engineers, 1983–1987
Selected Publications
- Goran A., S. Sadati, Y. Ling, P. Taylor, K. Wang, and J. T. Kevern. 2022. Penetrating Sealer Effects on the Durability Performance of Concrete Joints. Materials Journal, 119, No. 6.
- Rahman, M. L., A. Malakooti, H. Ceylan, P. Taylor, and S. Kim. 2022. A Review of Electrically Conductive Concrete Heated Pavement System Technologies: From the Laboratory to the Full-Scale Implementation. Construction and Building Materials.
- Chen, Y-A., P. Taylor, H. Ceylan, and X. Wang. 2021. Evaluation of Joint Activation and Slab Length in Concrete Overlays. Road Materials and Pavement Design, Vol. 23, No. 12, pp. 2914–2923.
- Sun, W., K. Wang, P. Taylor, and X. Wang. 2021. Air void clustering in concrete and its effect on concrete strength. International Journal of Pavement Engineering, Vol. 23, No. 14, pp. 5127–5141.
- Wi, K., K. Wang, P. Taylor, P., S. Laflamme, S. Sritharan, and H. Qin. 2021. Properties and Microstructure of Extrusion-Based 3D Printing Mortar Containing a Highly Flowable, Rapid Set Grout. Cement and Concrete Composites, Vol. 124.
- Wang, X., P. Song, H. Yu, P. Taylor, S. Sadati, K. Freeseman, and Y. Ning. 2021. Extended Life Concrete Bridge Decks Utilizing Internal Curing to Reduce Cracking – Materials Characterization and Engineering Demonstration. Construction and Building Materials, Vol. 275.
- Ling, Y., P. Zhang, J. Wang, P. Taylor, and S. Hu. 2020. Effects of nanoparticles on engineering performance of cementitious composites reinforced with PVA fibers. Nanotechnology Reviews, Vol. 9, pp. 504–514.
Professional Affiliations
- Active member of Transportation Research Board, American Society for Testing & Materials (ASTM), American Concrete Institute (ACI) and ACI Iowa
- Vice-chair, ACI 325: Concrete Pavements
- Sub-committee chair, ACI 325-F: Concrete Overlays
- Board Member, International Society of Concrete Pavements
- Chair of Planning Committee for ACI IA Better Concrete Conference
- American Concrete Pavement Association (ACPA), Strategic Advisory Board, 2017–present
Awards
- Frank G. Erskine Award for Outstanding Contribution to the Use of Lightweight Aggregate Expanded Shale, Clay and Slate Institute, 2022
- Technical Innovation Award, American Public Works Association, Iowa Chapter, 2017
- Concrete State Award for Technical Achievement, Iowa Ready Mixed Concrete Association, 2017
- PCA Education Foundation J.P. Gleason Fellowship Award, Portland Cement Association, 2015