Ohio University

Faculty

R. Guy Riefler

R. Guy Riefler

R. Guy Riefler

Chair, Professor
Stocker Center 218

Guy Riefler joined the Department of Civil Engineering in September 2000 after completing his advanced degrees at the University of Connecticut. He has three years of environmental consulting experience at ENVIRON Corporation in Arlington, Virginia. Riefler investigates chemical and biological interactions that affect the transport and transformation of pollutants in the environment. This work typically entails the heavy use of analytical chemistry, molecular biology, and numerical modeling. Riefler's research currently focuses on phytoremediation, chemical and biological processes in acid mine drainage remediation, stormwater treatment, and algae growth for alternative fuels and sustainable housing. He is currently developing a process to treat acid mine drainage sustainably by converting the iron sludge into profitable paint pigment. He has served as the faculty advisor for the OHIO Engineers Without Borders group in Ghana and has also worked with students in the WERC and ASCE environmental design competition. He was awarded the ODNR Mining Awareness Educator Award in 2009 and the OHIO Transformative Teaching Award in 2011. He is a registered professional environmental engineer in the state of Ohio.

Research Interests: acid mine drainage treatment bioremediation, stormwater treatment, algae cultivation for biofuels and in house nutrient cycling

All Degrees Earned: Ph.D., University of Connecticut; M.S., University of Connecticut; B.S., Cornell University

Something you may not know about me: Guy Riefler enjoys golfing, camping, backpacking, skiing, soccer, and triathlons.

Daniel Che

Daniel Che

Daniel Che

Assistant Professor
Stocker Center 216

Danny Che joined the Department of Civil Engineering in 2016. He teaches courses in water resources engineering and fluid mechanics. Che’s research primarily focuses on using computational optimization models to determine optimal designs of hydraulic structures and operation of water resource infrastructures. Before joining Ohio University, Che worked as a water resources engineer at Atkins North America, Inc., where he specialized in writing python codes for automating high-resolution hydrologic and hydraulics (H&H) model development and simulations. Che has worked on projects for Mohave County, Lake Havasu City, Maricopa County, and Riverside County; the findings of these projects were presented to state and federal agencies in order to determine new flood hazard areas and develop emergency plans in those regions.

Research Interests: real-time rainfall and flood forecasting, real-time optimal operation of river-reservoirs systems, interfacing simulation and optimization models for urban water resources management, optimization models for sustainable water resources solutions in urban areas

All Degrees Earned: Ph.D., Civil Engineering, Arizona State University, 2015; M.S.E., Civil Engineering, Arizona State University, 2011; B.S.E., Civil Engineering, Arizona State University, 2009

Awards:

2017 Russ Outstanding Teaching Award

Something you may not know about me: I love Game of Thrones!

Issam Khoury

Issam Khoury

Issam Khoury

Assistant Professor
Stocker Center 222

Issam Khoury has served as a research engineer for ORITE since 1993 and recently completed his Ph.D. with a dissertation focused on the “Impact of Base Stiffness on Portland Cement Concrete Pavement.” He has been involved in instrumentation and research projects for the Ohio Department of Transportation, New York Department of Transportation and the Federal Highway Administration. Khoury’s involvement in highway research project includes conducting research and instrumentation on several test road projects, such as the Ohio SHRP project on US 23 in Delaware, Ohio, the long-life concrete and perpetual asphalt pavements on US 30 in Wayne County, I-490 near Rochester, New York, I-86 in Olean, New York, I-90 in Syracuse, New York, and RT 9A in New York City. Khoury was also involved in the instrumentation and testing of bridge projects on OH 180 in Hocking County, Ohio, OH 682 bridge in the Plains, and the Washington Waterloo Road Bridge in Fayette County. He has been responsible for instrumenting numerous culverts and soil installations, including subgrade soils, base soils, wingwalls, and slope stability monitors. Khoury’s expertise includes field sensor installation, field data acquisition and analysis, material sampling and testing for both asphalt and concrete, and the ability to conduct lab testing of materials to acquire material properties for use in analysis and design programs such as the MEPDG. He is a veteran operator of the dynamic cone penetrometer, the cone penetration tester, the lightweight deflectometer, and ground penetrating radar. Khoury has co-authored several technical reports and papers that have been published in major research journals and presented at national conferences.

Research Interests: structural instrumentation and data collection, concrete pavement performance and testing, geotechnical data collection and analysis

All Degrees Earned: Ph.D., Ohio University; M.S., Ohio University; B.S., Ohio State University

Something you may not know about me: Enjoys playing soccer on the weekends

Teruhisa Masada

Teruhisa Masada

Teruhisa Masada

Professor
Stocker Center 224

Originally from the central region of Japan, Teruhisa Masada teaches courses related to the fundamentals of civil engineering, engineering mechanics, geotechnical engineering, and geoenvironmental engineering. He has been an active researcher for the Ohio Research Institute for Transportation and the Environment (ORITE) for about 25 years. He has authored/co-authored 25 reports and 50 technical papers, including 25 journal papers. He serves as the associate editor for the American Society of Civil Engineers’ journal on pipeline systems engineering.

Research Interests: soil-structure interaction (buried structures), shallow foundations, testing of pavement materials, in-situ and laboratory testing of soil and rock

Publications:

  • Teruhisa Masada. “Full-Scale Field Load Testing of Storm-Water Storage Chamber Structures.” Journal of Performance of Constructed Facilities, American Society of Civil Engineers (ASCE), Volume 25, No. 4, pp. 317-325, July/August 2011.

Awards:

  • AY 2010-11 Best Research Paper, Civil Engineering Dept., Ohio University

Deborah McAvoy

Deborah McAvoy

Deborah McAvoy

Associate Dean for Academics; Interim Chair Aviation; Associate Professor Civil Engineering
Stocker Center 122

Deb McAvoy joined Ohio University in 2007. She received her Ph.D. from Wayne State University after working as a civil engineering consultant for 11 years. While pursuing her doctorate, McAvoy worked as the lead research engineer for the Wayne State University Transportation Research Group. McAvoy's research interest is in highway safety, traffic engineering, traffic signal system optimization and progression, roadway design and human factors engineering. She has worked on projects for the Ohio Department of Transportation, Michigan Department of Transportation, the Federal Highway Administration, the United States Department of Justice, 3M, and other industry clients. As a part of these studies, she has conducted technical analyses for signal timing, congestion, crash, gap studies and has substantial experience in corridor progression and work zone safety analyses. She is a registered professional engineer in the states of Michigan and Ohio and certified as a Professional Traffic Operations Engineer through the Institute of Transportation Engineers.

Research Interests: highway safety, traffic engineering, traffic signal system optimization and progression, roadway design and human factors engineering

All Degrees Earned: Ph.D., Transportation Engineering, Wayne State University, 2007; M.S., Civil Engineering, Wayne State University, 2004; B.S., Civil Engineering, University of Detroit, 1994

Bhaven Naik

Bhaven Naik

Bhaven Naik

Associate Professor
Stocker Center 226

Bhaven Naik joined Ohio University in August of 2014. Prior to this, he worked with the Mid-America Transportation Center based at the University of Nebraska‐Lincoln as a lecturer and as a post-doctoral research associate. He has also been involved on projects that rely heavily on applying various statistical methods to solve transportation problems, including applied multivariate statistics, regression modeling, and safety analysis.

Research Interests: traffic microsimualtion modelling, highway safety and human factors research, traffic signal system design and optimization, applications of intelligent transportation systems

All Degrees Earned: Ph.D., University of Nebraska-Lincoln, 2010; M.S., University of Nebraska-Lincoln, 2004; B.S., University of Nebraska-Lincoln, 2003; Dipl., Copperbelt University (Zambia), 2003

Shad Sargand

Shad Sargand

Shad Sargand

Russ Professor, Vice Director for Business Development of the Ohio Research Institute for Transportation and the Environment
Stocker Center 208

Shad Sargand was named Russ Professor in 1990. He has authored over 200 journal articles, conference papers and technical reports. Since its inception in 1995, he has been the lead researcher of the Ohio Strategic Highway Research Program National Test Road on US Route 23 in Delaware County, Ohio, which has contributed enormous amounts of valuable data for the Long Term Pavement Performance (LTPP) database. He also led another test road effort on US Route 30 in Wooster, Ohio. He is the Associate Director of the Ohio Research Institute at Ohio University, which operates the Asphalt Laboratory and Accelerated Pavement Load Facility in Lancaster, Ohio. Sargand has at least five nationally recognized awards and honors for his research, including most recently the William W. “Bill” Baker Award from Flexible Pavements of Ohio in March 2011 for his “commitment to quality and overall impact on the Ohio asphalt paving industry.”

Research Interests: rigid and flexible pavements, finite element methods, soil-structure interaction, pipes and conduits

All Degrees Earned: Ph.D., Civil Engineering, Virginia Polytechnic Institute and State University, 1981; M.S., Civil Engineering, University of Nebraska, 1978; B.S., Civil Engineering, University of Nebraska, 1976

Publications:

  • Masada, T., Sargand, S. M., Thermoplastic Pipe Deep Burial Study in Ohio: Further Analysis of Field Performance Data, Journal of Pipeline Systems – Engineering and Practice, ASCE, Reston, VA, Vol. 2, No. 4, Nov. 2011, p. 132-138.
  • Liao, J.M., and S.M. Sargand, Viscoelastic FE Modeling and Verification of a U.S. 30 Perpetual Pavement Test Section, International Journal on Road Materials and Pavement Design, Vol. 11, No. 4, 2010.
  • Shad Sargand, Teruhisa Masada, and David Keatley, Pennsylvania Thermoplastic Pipe Deep Burial Project: The 20th-Year Investigations, Journal of Performance of Constructed Facilities, ASCE, Reston, VA, Volume 23, No. 4, July/Aug. 2009, pp. 262-268.
  • Sargand, S. M., and Masada, T., Deeply Buried Thermoplastic Pipe Field Performance over Five Years, Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Reston, VA, Vol. 134, No. 8, August 2008, pp. 118-119.
  • S.M. Sargand, S. Wu and J.L. Figueroa, “A Rational Approach for Base Type Selection”, Journal of Transportation Engineering, ASCE, Reston VA, Volume 132, No 10, pp 753 – 763 (October 2006).

Patents:

  • Gayle F. Mitchell and Shad M. Sargand, Pipeline Security Grid; Filing Date 12/2010
  • Gayle F. Mitchell and Shad M. Sargand, Exfiltration Apparatus, Application Number 60/869,308; Filing Date 12/08/2006

Awards:

  • Russ Professor of Civil Engineering since 1990
  • D.R. Harting Award of the Society of Experimental Mechanics in 1992 & 1999
  • Certificate of Achievement for the SHRP Test Road from Ohio Governor George Voinovich in 1995
  • Certificate of Appreciation for the SHRP Test Road from the Federal Highway Administration in 1998
  • William W. “Bill” Baker Award from Flexible Pavements of Ohio in March 2011

Something you may not know about me: Originally from Afghanistan

Ben Sperry

Ben Sperry

Ben Sperry

Associate Professor
Stocker Center 223

Ben Sperry’s research focuses on using innovative analysis techniques to examine traveler behavior and measure traveler responses to different policy initiatives with a goal of informing decision-making on transportation improvements across all modes of travel. Specific research interests include multimodal passenger and freight transportation planning and policy, site planning and traffic impact analysis, and travel survey methods for transportation planning and environmental analysis. Sperry’s research portfolio includes a variety of projects for sponsors including several cooperative research programs of the Transportation Research Board (TRB) as well as Departments of Transportation in Michigan, Ohio, and Texas. His publication record includes more than 30 peer-reviewed journal articles and technical research reports. Prior to joining Ohio University in 2013, Sperry was a researcher in the Multimodal Freight Transportation Systems program of the Texas A&M Transportation Institute. Sperry is a member of the TRB Intercity Passenger Rail Systems committee (AR010) and is a member of the Institute of Transportation Engineers (ITE) and the American Society of Civil Engineers (ASCE).

Research Interests: travel behavior analysis, multimodal freight and passenger transportation, innovative traveler survey designs, environmental analysis of transportation systems

All Degrees Earned: Ph.D., Civil Engineering, Texas A&M University, 2012; M.S., Civil Engineering, Texas A&M University, 2008; B.S., Civil Engineering, University of Evansville, 2006; B.S., Engineering Management, University of Evansville, 2006

Eric Steinberg

Eric Steinberg

Eric Steinberg

Professor
Stocker Center 228

Eric Steinberg has been a professor of civil engineering at Ohio University for more than 24 years. He is currently involved in several ODOT funded research projects including leading the structures research services program. He is a board member of the Ohio Research Initiative for Locals (ORIL) and is involved as a technical advisory committee member on several of the organization’s research projects. Steinberg is a member of PCI’s Committee on Bridges and a consulting member of the Student Education Committee. He is also serving as a panel member on a National Cooperative Highway Research Project for the Transportation Research Board. He is a registered Professional Engineer in Ohio and is a member of ACI, ASCE, and PCI. Steinberg has served as an expert witness in the field of structural engineering and as the faculty advisor for the student organizations of ASCE and SEAO.

Research Interests: bridge engineering, ultra-high performance concrete, prestressed concrete design, structural reliability

All Degrees Earned: Ph.D., 1991

Publications:

  • Huffman, J. Steinberg, E., and Sargand, S., (2012), “Finite Element Modeling a Full Scale Adjacent Prestressed Concrete Box Beam Bridge Span,” 2012 PCI Annual Convention and National Bridge Conference, Nashville, TN, September 29 - October 2.
  • Ahlborn, T., and Steinberg, E., (2012), “An Overview of UHPC Efforts in North America,” 3rd International Symposium on Ultra-High Performance Concrete and Nanotechnology for High Performance Construction Materials, Kassel, Germany, March 7-9.
  • Steinberg, E., Miller, R., Nims, D., and Sargand, S., (2011), “Structural Evaluation of LIC-310-0396 and FAY-35-17-6.82 Box Beams with Advanced Strand Deterioration - Final Report,” Ohio Department of Transportation and the Federal Highway Administration, September, 131 pages.
  • Steinberg and Miller, (2011), “Structural Evaluation of LIC-310-0396 Box Beams with Advanced Strand Deterioration - Interim Report,” Ohio Department of Transportation and the Federal Highway Administration, May, 161 pages.
  • Steinberg, E., (2010), “Structural Reliability of Prestressed UHPC Flexural Models for Bridge Girders,” Journal of Bridge Engineering, ASCE, Vol. 15, No.1, pp. 65-72.

Awards:

  • National PCI Distinguished Educator Award
  • PCI Central Region's Professor of the Year
  • Russ College of Engineering and Technology Outstanding Research Paper Award
  • Civil Engineering White Teaching Award (multiple)

John Telesz

Ken Walsh

Ken Walsh

Ken Walsh

Associate Professor
Stocker Center 225

Ken Walsh joined Ohio University in 2009. He has taught introductory courses in mechanics, structural analysis, and steel design as well as advanced courses in structural analysis and structural dynamics. Walsh, who has published several refereed journal articles and conference papers, began his career with visiting faculty positions in the Department of Civil Engineering and Construction at Bradley University (2005-2006) and the Department of Civil and Environmental Engineering at the FAMU-FSU College of Engineering (2006-2008). He then spent one year as research faculty in the Laboratory for Modern Fluid Physics at Florida A&M University.

Research Interests: passive and semi-active vibration control, vibration absorption and isolation, innovative materials for improved structural performance, structural health monitoring focusing on model updating and damage identification for bridge structures

All Degrees Earned: Ph.D., Civil Engineering, Florida A&M University, August 2005; M.S., Civil Engineering, Florida A&M University, April 2002; B.S., Civil Engineering, Florida State University, April 2000

Publications:

  • Walsh, K. K., Kalyanam, S., Rambo-Roddenberry, M. D., and Cronin, K, J. (2012). “Design of viscous dampers in seismically-excited flexible truss towers,” Journal of Earthquake Engineering, (accepted).
  • Walsh, K. K., Cronin, K. J., Rambo-Roddenberry, M. D., and Grupenhof, K. (2012). “Dynamic analysis of seismically excited flexible truss tower with scissor‐jack dampers”, Structural Control and Health Monitoring, (in press).
  • Walsh, K. K., Grupenhof, K., Little, K. L., Martin, A., and Moore, C. A. “Development and testing of a newly proposed continuously variable stiffness/damping device for vibration control”, SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring (8345), San Diego, CA, 2012.
  • Walsh, K. K., Abdullah, M. M., and Moore, C. A. (2008). “Control of civil structures using a semi-active stiffness system based on variable amplification,” Journal of Structural Engineering, 134(7), 1246-1251.
  • Walsh, K. K., and Abdullah, M. M. (2006), “Adaptive base-isolation of civil structures using variable amplification,” Earthquake Engineering and Engineering Vibration, 5(2), 223-233.

Gregory K Wright

Gregory K Wright

Gregory K Wright

Instructor

Gregory Wright has spent time in the construction industry, the Ohio EPA, the consulting firm of EMH&T, and the Ohio Department of Transportation. As a registered Professional Engineer and Professional Surveryor, he has had his own private practice in surveying and engineering since 1978.

All Degrees Earned: B.S., Civil Engineering, Ohio University, 1975

Lei Wu

Lei Wu

Lei Wu

Assistant Professor
Stocker Center 215

Lei Wu joined Ohio University in 2016 after a post-doctoral fellowship in a multi-disciplinary group at the University of Pennsylvania. She teaches introductory courses in environmental engineering basics and water quality engineering, as well as advanced courses in contaminant fate and transport and water/wastewater treatment.

Wu’s background spans both environmental science and engineering. She’s generally interested in using multiple-scale approaches to understand how the natural and anthropogenic stressors affect our environment (particularly aquatic environment) at every level from particle to watershed scale.

Research Interests: contaminant transport, in-situ microscopy and particle tracking, colloidal and interfacial phenomenon, environmental implications of nanotechnology

All Degrees Earned: Ph.D., Agricultural and Biological Engineering, University of Florida, 2013; M.S., Environmental Science and Engineering, Peking University, China, 2007