Dr. Robert Y. Liang, F. ASCE


Dr. Robert Y. Liang, F. ASCE

Title: Distinguished Professor
Department: Civil Engineering
Office: ASEC 431
Phone: 330-972-7190
Fax: 330-972-6020
Email: rliang@uakron.edu
Website: http://www.ecgf.uakron.edu/~civil/people/liang/


Biography

Education

  • Ph.D., 1985, Department of Civil Engineering, University of California, Berkeley, CA.
  • MS, 1979, Department of Civil Engineering, North Carolina State University, Raleigh, NC.
  • BS, 1974, Department of Civil Engineering, Tam Kang University, Taipei, Taiwan.

Research Areas:

  • Geotechnical Engineering encompassing deep foundations
  • Soil improvement techniques
  • Retaining structures
  • Soil dynamics
  • Construction Materials, including concrete, asphalt concrete, with particular emphasis on properties characterization, damage and degradation mechanisms, and development of new materials and applications
  • Engineering Mechanics with emphasis on inelastic behavior, fatigue, and damage mechanics; instrumentation for laboratory-scale specimens and large-scale prototype structures such as bridges, pavements, and geotechnical structures.

Academic Experience:

  • 1995 - present, Professor and Department Chair, Dept. of Civil Engineering, The University of Akron.
  • Director, Joint University of Akron (UA) and Case Western Reserve University (CWRU) Center for Infrastructure Materials and Rehabilitation.
  • 1994-1995, Acting Department Chair, Department of Civil Engineering, The University of Akron, Akron, OH 44325-3905 .
  • 1994 - present, Professor, Dept. of Civil Engineering, The University of Akron .
  • 1990 - 1994, Associate Professor with Tenure, Department of Civil Engineering, University of Akron, Akron, OH 44325-3905 .
  • 1985 - 1990, Assistant Professor, Department of Civil Engineering, University of Akron, Akron, OH 44325 - 3905

Editorial Position:

  • Associate Editor, Journal of Engineering Mechanics, ASCE, 1994 - 1998.

Selected honors and awards:

  • Whos Who in Young Americans.
  • Louis Hill Award, College of Engineering, University of Akron, 1997.
  • Outstanding Civil Engineer of the Year, ASCE, Akron-Canton Section, 1997.

Member of Professional Societies:

  • American Society of Civil Engineers (ASCE)
  • American Concrete Institute (ACI)
  • International Society for Soil Mechanics and Foundation Engineering (ISSMFE)
  • Transportation Research Board, National Research Council (TRB)
  • Earthquake Engineering Research Institute (EERI)
  • American Society for Testing and Materials (ASTM)
  • Geo-Institute, ASCE

Society Office and Committee Service:

  • Program Committee, Engineering Mechanics Div., ASCE, 1994 - 1998.
  • Properties of Materials Committee (Chairman), Engineering Mechanics Div., ASCE, 1994 - 1998.
  • Soil Properties Committee, Geotechnical Engineering Division, ASCE, 1990 - present.
  • Deep Foundation Committee, Geotechnical Engineering Division, ASCE, 1990 - present.
  • Materials Application Committee, Material Engineering Division, ASCE, 1992 - present.
  • Committee C-9, Cementitious Materials, ASTM, 1995 - present
  • Committee E-24, Fracture Testing, ASTM, 1995 - present
  • Committee D-18, Soil and Rock, ASTM, 1995 - present
  • TRB Committee A2D02.
  • TRB Committee A2K03.

Selected Courses Taught at Akron :

  • Soil Mechanics
  • Geotechnical Engineering and Lab
  • Design of Earth Structures
  • Advanced Soil Mechanics
  • Soil Dynamics
  • Soil Improvements
  • Numerical Methods in Geotechnical Engineering
  • Advanced Foundation Engineering I

Selected Short Courses/Lectures :

  • Emerging and Developing Geotechnical Specialty Technologies, Invited lecture at Jordan University of Science and Technology, Irbid, Jordan, Dec. 97.
  • Invited Short Course on "Soil Nailing, Ground Anchors, and Anchored Excavation", Dongguk University, Seoul, Korea, Nov., 1997.
  • Development and Application of Crumb Rubber Modified Asphalt, Invited lecture at Hyundai Institute of Construction Technology, Korea, Nov. 97.
  • Numerical Methods for Cementitious Interface, McNu 97, Northwestern University, 1997.
  • Anchor Supported Excavation, Invited Lecture at China Northeast Building Design Institute, May 1997
  • New Driven Pile Technology, Invited Lecture at Tongji University, May 1997.
  • Displacement Based Method for Soil Nailed Structure Design, Invited Lecture at China Academy of Building Research, Institute of foundation Engineering, May 1997.
  • Soil-Anchor Interface Models and Practical Applications, Invited Lecture at Hohai University, June 1997.
  • New Developments in Dynamic Pile Testing, Invited Lecture at National Taiwan University, Nov. 1996.
  • Damage Model and Its Application to Early-Age Concrete", Proc. Applied Mechanics in the Americas (1996).
  • Crack Initiation and Propagation in Viscoelastic Material Using a Two-Stage Plastic Zone Model, 1996.
  • Identification of Soil-Pile Interaction Parameters from HST Data, Proc. 5th Int. Conf on the Appl. of Stress-Wave Theory to Piles, Orlando, Fl., 1996.
  • Pile Capacity Estimation Using New HST Interpretation Method, Proc. 5h Int. Conf. on the Appl. of Stress-Wave Theory to Piles, Orlando, Fl., 1996.
  • Fatigue Model of Asphalt Concrete, Engrg. Mech. Conference, ASCE, 1996.
  • Numerical Methods for Early-Age Concrete Behavior, 33rd Annual Tech. Meeting, Society of Engineering Science, Tempe, Arizona, BA1, 1996.
  • Mechanistic Evaluation of Asphalt Concrete Mixtures Containing Crumb Rubbers, Int. Road Federation, Taipei, Nov., 1996.
  • Mechanistic Joint Spacing Model for Rigid Pavements,. Int. Road Federation, Taipei, Nov. 17-22, 1996.
  • Finite Element Procedures for Early Age Concrete Considering Environmental Effects, 10th Engineering Mechanics Conference, ASCE, Boulder, Colorado, 1995.
  • Two-Stage Fatigue Model for Asphalt Concrete, 10th Engineering Mechanics Conference, ASCE, Boulder, Colorado, 1995.
  • Karameh Earth Dam: A Challenging Project, 3rd Int. Conf. on Recent Advances in Geotechnical Earthquake and Soil Dynamics, April 2-7, St. Louis, Missouri, 1995.
  • Seismicity of Jordan and Conterminous Countries, 3rd Int. Conf on Recent Advances in Geotechnical Earthquake and Soil Dynamics, April 2-7, St. Louis, Missouri, 1995.
  • Dynamic Cone Penetrometer to Predict Bearing Capacity of Driven Piles, Proc. 8th Int. Conf. of the Assoc. for Comp. Meths. and Adv. in Geo-mechanics, West Virginia, 1994.
  • Dynamic Energy Equation Based Computer Program for Field Estimation of Driven Pile Capacity, 8th Int. Conf. of the Assoc. for Comp. Meths. and Adv. in Geomechanics, West Virginia, 1994.
  • Dynamic Probing Test to Determine Driven Pile Capacity, Int. Conf. on Design and Construction of Deep Foundations, Florida, 1994.
  • Ohio DOT Research on the Development of In-Situ Testing Techniques for Wave Equation Soil Parameters, Int. Conf. on Design and Construction of Deep Foundations, Florida, 1994.
  • Assessment of Scrap Tires in Ohio, 49th OTEC, Columbus, OH, 1994.
  • Experimental and Theoretical Study of Flexural Behavior of Polymer Fiber Reinforced, Cement-Treated Soils, Geotechnical Specialty Conference on Grouting, Soil Improvement, and Geosynthetics, ASCE, New Orleans, Feb. 25-28, 1992.
  • Theory of Fracture Toughness for Polymers, Seminar Given to NASA, Lewis Research Center, Polymer Branch, Materials Division, August 1991.
  • Convergence Rate of Diagonal Mass Lumping by Nodal Quadrature in Finite Element Eigenvalue Analysis, First U.S. National Congress on Computational Mechanics, Chicago, Illinois, July 21-24, 1991.
  • A New Computational Approach for Peak Load in Cohesive Crack Model, First U.S. National Congress on Computational Mechanics, Chicago, Illinois, July 21-24, 1991.
  • Assessment of Integrity of Structures by Eigen frequencies, International Conference and Exhibits on Failure Analysis, ASM International, Montreal, Canada, July 8-11, 1991.
  • In Situ Determination of Smith Soil Model Parameters for Wave Equation Analysis, Geotechnical Engineering Congress, ASCE, Boulder, CO, June-91.
  • An Analytical Model for Rupture Strength of Concrete Beams, 1991 Structures Congress, ASCE, Indianapolis, IN, May 1991.
  • High Strength, High Denier Discrete Polymer Fiber in Cementitious Composites, 1st Material Engineering Congress, ASCE, Denver, Colorado, August 13-15, 1990.
  • A Joint Invariant Bounding Surface Model for Anisotropic Behavior of Sands Under Cyclic Loading, Seventh Engineering Mechanics Specialty Conference, ASCE, VPI, Blacksburg, VA, 1988.
  • Prediction of Time-Dependent Movement of Tiebacks in Cohesive Soils, International Symposium on Prediction and Performance in Geotechnical Engineering, Calgary, Canada, July 1987.
  • A Constitutive Model for Time-Dependent Behavior of Overconsolidated Clays, 6th Engineering Mechanics Specialty Conference, ASCE, Buffalo, NY, 1987.
  • A Joint-Invariant, Bounding Surface Plasticity Model for Anisotropic Behavior of Cohesionless Soils, International Workshop of Constitutive Equations for Non-Cohesive, Granular Soils, Case Western Reserve University, June 1987.
  • Geotechnical Engineering Research at University of Akron, Workshop sponsored by National Science Foundation, organized by United States Universities Council on Geotechnical Engineering Research, Houston, TX, March 1987.
  • A Bounding Surface Plasticity Model for the Stress-Strain-Time Behavior of Clays, 2nd International Conference on Constitutive Laws, Tucson, AZ, January 1987.
  • Evaluation of a Time-Dependent Constitutive Model Using the Centrifuge, Recent Advance of Centrifuge Testing, University of California, Davis, 1984.

Selected Research Projects:

  • Principal Investigator, "Center for Infrastructure Materials and Rehabilitation", OBOR Capital Investment Fund.
  • Principal Investigator, "Pressuremeter to Determine the Lateral Capacity of Drilled Shafts on Sloping Ground", Federal Highway Administration and Ohio Department of Transportation.
  • Principal Investigator, "Determination of Wave Equation Soil Parameters Using In-Situ Testing Techniques", Federal Highway Administra-tion and Ohio Department of Transportation Principal Investigator, "Survey of Generation and Usage of Scrap Tires", Ohio Department of Transportation.
  • Principal Investigator, "Development of Cost-Effective Automated Soil Testing Equipment and Associated Stereo-Photogrammetric Technique for Geotechnical Engineering Courses", National Science Foundation Principal Investigator, "A Survey of Aggregate Wastes in Ohio", Ohio Department of Transportation.
  • Co-Principal Investigator, "The Application of Anchored Geosynthetic Systems for Abandoned Mined Land Landfill Remediation", Bureau of Mines.
  • Principal Investigator, "Mixture Design and Performance Prediction of Rubber-Modified Asphalt in Ohio", Federal Highway Administration and Ohio Department of Transportation.
  • Principal Investigator, "Development and Implementation of New Driven Pile Technology"$330,074, Federal Highway Administration and Ohio Department of Transportation.
  • Principal Investigator, "Instrumentation and Monitoring of Tieback Wall at Rt.82", Federal Highway Administration and Ohio Department of Transportation.
  • Principal Investigator, Unrestricted Research Support in the area of crumb rubber modified asphalt paving materials, Hyundai Engineering & Construction Co., Ltd., Korea.
  • Principal Investigator, "Polishing and Friction Characteristics of Aggregates Produced in Ohio", Federal Highway Administration and Ohio Department of Transportation.
  • Principal Investigator, "Instrumentation, Monitoring and Testing at the CUY-90-15.24 Central Viaduct Project", Federal Highway Administration and Ohio Department of Transportation.
  • Principal Investigator, "Durability and Performance characteristics of Polymer Modified Asphalt Concrete", Federal Highway Administration and Ohio Department of Transportation.
  • Principal Investigator, "Drilled Shaft Foundations for Noise Barrier Walls and Slope Stabilization", Ohio Department of Transportation.

Publications:

  • Fracture Mechanics Applied to Geotechnical Engineering, Geotechnical Special Publication No. 43, American Society of Civil Engineers, 1994, Co-Editor.
  • Mechanics of Deformation and Flow of Particulate Materials, American Society of Civil Engineers, 1997, Co-Editor.

Selected papers in Refereed Journals:

  • Mitchell, J.K. and Liang, R.Y. (1986), "Centrifuge Evaluation of a Time-Dependent Numerical Model for Soil Clay Deformation", ASTM STP 892, Consolidation of Soils: Testing and Evaluation, R.N. Yong and F.C. Townsend, eds., 567-592.
  • Liang, R.Y., Sobhanie, M., and Shaw, H.L. (1988)", A Joint-Invariant Bounding Surface Plasticity Model for Anisotropic Behavior of Sands", Constitutive Equations for Granular Non-Cohesive Soils, Edited by A. Saada and G. Gianchina, A.A. Balkema, 383-402.
  • Triggs, J. Fred and Liang, R.Y. (1988), "Development of and Experiences from a Light-Weight, Portable Penetrometer Able to Combine Dynamic and Static Cone Tests", Penetration Testing (ISOPT-1), De Ruiter (ed.), Balkema, Orlando, FL., 467-473.
  • Liang, R.Y. and Mitchell, J.K., (1988), "Centrifuge Evaluation of Numerical Model for Clay", Journal of Geotechnical Engineering, ASCE, Vol. 114, No. 3, 265-283.
  • Liang, R.Y. (1989), "Numerical and Analytical Methods for Deep Foundations", Geotechnical Specialty Publication No. 23, ASCE, 211-224.
  • Liang, R.Y. and Shaw, H.L. (1991), "Anisotropic Hardening Plasticity Model for Sands", Journal of Geotechnical Engineering, ASCE, Vol. 117, No. 6, 913-933.
  • Liang, R.Y. and Li, Y.N. (1991), "Simulation of Nonlinear Fracture Process Zone in Cementitious Materials - A Boundary Element Approach", International Journal of Computation-al Mechanics, Vol. 7, No. 5/6, 413-427.
  • Liang, R.Y. and Li, Y.N. (1991), "A Study of Size Effect in Concrete Using Fictitious Crack Model", Journal of Engineering Mechanics, ASCE, Vol. 117, No. 7, 1631-1651.
  • Liang, R.Y. and Li, Y.N. (1991), "Prediction of Size-Dependent Maximum Loads of Concrete Beams", Journal of Engineering Mechanics, ASCE, Vol. 117, No. 5, 1059-1069.
  • Liang, R.Y. (1991), "In Situ Determination of Smith Soil Model Parameters for Wave Equation Analysis", Geotechnical Specialty Publication, No. 27, ASCE, 65-75.
  • Liang, R.Y., Hu, J.L., and Choy, F.K. (1991), "Detection of Cracks in Beam Structures Using Measurements of Natural Frequencies", Journal of the Franklin Institute, Vol. 328, No. 4, 505-518.
  • Li, Y.N., Liang, R.Y., and Wang, D.J. (1991), "On Convergence Rate of Finite Element Eigenvalue Analysis with Mass Lumping by Nodal Quadrature", Computational Mechanics, Vol. 8, No. 4, 249-256.
  • Liang, R.Y., Hu, J.L., and Choy, F.K. (1992), "A Theoretical Study of Crack-Induced Eigenfrequency Changes on Beam Structures", Journal of Engineering Mechanics, ASCE, Vol. 118, No. 2, 384-396.
  • Liang, R.Y., Hu, J.L. and Choy, F.K. (1992), "A Quantitative NDE Technique for Assessing Damage in Beam Structures", Journal of Engineering Mechanics, ASCE, Vol. 118, No. 7, 1468-1487.
  • Liang, R.Y. and Ma, F. (1992), "An Anisotropic Plasticity Model for Undrained Cyclic Behavior of Clays, I: Theory", Journal of Geotechnical Engineering, ASCE, Vol. 118, No. 2, 229-245.
  • Liang, R.Y. and Ma, F. (1992), "An Anisotropic Plasticity Model for Undrained Cyclic Behavior of Clays-II: Verification", Journal of Geotechnical Engineering, ASCE, Vol. 118 No. 2, 246-265.
  • Li, Y.N. and Liang, R.Y. (1992), "Stability Theory of the Cohesive Crack Model", Journal of Engineering Mechanics, ASCE, Vol. 118, No. 3, 587-603.
  • Liang, R.Y. (1992), "Experimental and Theoretical Study of Flexural Behavior of Polymer Fiber Reinforced, Cement-Treated Soils," Geotechnical Specialty Publication No. 30, ASCE, Vol. 2, 1080-1091.
  • Liang, R.Y. and Ma, F. (1992), "A Unified Elasto-Viscoplasticity Model for Clays, Part I: Theory", Computers and Geotechniques, An International Journal, Vol. 13, No. 2, 71-97.
  • Liang, R.Y. and Ma, F. (1992), "A Unified Elasto-Viscoplasticity Model for Clays, Part II: Verification", Computers and Geotechniques, An International Journal, Vol. 13, No. 2, 89-102.
  • Choy, F.K., Liang, R.Y., and Xu, P. (1992), "Fault Identification in Beam Structures", The Journal of Franklin Institute, Vol. 329, No. 4, 697-713.
  • Liang, R.Y. (1992), "Theoretical Interpretation of Smith Model Parameters", Application of Stress Wave Equation to Piling, Balkeman, Hague, The Nether-lands, 111-116.
  • Morgano, M. and Liang, R.Y. (1992), "Energy Transfer in Standard Penetration Test Rod Length Effect," Application of Stress Wave Equation to Pilings, Balkeman, Hague, The Netherlands, 121-127.
  • Liang, R.Y. and Husein, A.I. (1993), "Simplified Dynamic Method for Pile Driving Control", Journal of Geotechnical Engineering, ASCE, Vol. 119, No. 4, 694-713.
  • Li, Y.N. and Liang, R.Y. (1993), "The Theory of the Boundary Eigenvalue Problem in the Cohesive Crack Model and Its Application, Journal of the Mechanics and Physics of Solids, Vol. 41, No. 2, 331-350.
  • Liang, R.Y., and Sheng, Y. (1993), "Wave Equation Parameters from Driven-Rod Tests", Journal of Geotech-nical Engineering, ASCE, Vol. 119, No. 6, 1037-1057.
  • Li, Y.N. and Liang, R.Y. (1994), "Peak Load Determina-tion in the Linear Fictitious Crack Model", Journal of Engineering Mechanics, ASCE, Vol. 120, No.2, 232-249.
  • Choy, F.K., Liang, R., and Xu, P. (1995), "Fault Identification of Concrete Slabs on Soil Foundation", Computers and Geotechniques, an International Journal, Vol. 17, 157-175.
  • Sheng, Y. and Liang, R.Y. (1994), "Wave Equation Parameters from Numerical Simulation Techniques", Soils and Foundations, Japanese Society of Soil Mechanics and Foundation Engineering, Vol.34, No.2, 61-71.
  • Niu, Y.Z., Tu, C.L., Liang, R.Y., and Zhang, S.W. (1995), "Modeling of Thermomechanical Damage of Early-Age Concrete", J. Structural Engg., ASCE, Vol. 121, No.4, 717-726.
  • Liang, R.Y., Lommler, J.C., Lee, S., and Meyers, B. (1994), "Case Studies: Cover Cracking at Low Level Radioactive Waste Sites", Geotechnical Specialty Publication, No. 43, ASCE, 86-101.
  • Liang, R.Y. and Li, Y.N. (1995), "Simple Method to Determine Fracture Energy of Quasi-Brittle Materials", J. of Materials in Civil Engineering, ASCE, Vol. 7, No.3, 168-173.
  • Liang, R.Y. and Zhu, J.X. (1995), "Dynamic Analysis of Infinite Beam on Modified Vlasov Subgrade", J. Transportation Engineering, ASCE, Vol.121, No.5, 434-442.
  • Husein, A. I., Liang, R.Y., and Nusairat, J.H. (1995), "Performance of Karameh Earth Dam Under Earthquake Loading", European Earthquake Engineering, Vol. VIII:2, 35-42.
  • Al-Homoud, A.S, Husein, A.I., and Liang, R.Y. (1995), "Seismic Hazard Mapping of Jordan", European Earthquake Engineering, Vol. VIII:2, 12-17.
  • Husein, A.I., Al-Homoud, A. and Liang, R.Y. (1995) "Seismic Hazard Mapping of Jordan", Quarterly Journal of Engineering Geology, 28, 75-81.
  • Husein (Malkawi), A.I. , Liang, R.Y., Nusairat, J.H., and Al-Homoud, A.S. (1995) "Probabilistic Seismic Hazard Zonation of Syria", Natural Hazards Journal, Vol. 12, 139-151.
  • Liang, R.Y. and Zhou, J. (1996), "Probability Method Applied to Dynamic Pile- Driving Control", Journal of Geot, Engg , ASCE, Vol. 123, No. 2, 137-144.
  • Liang, R.Y. and Lee, S.K. (1996) "Short-Term and Long-Term Aging Behavior of Rubber Modified Asphalt Paving Mixture", Transportation Research Record, No. 1530 National Research Council, pp. 11-17.
  • Husein, A.I. and Liang, R.Y. (1996), "Dynamic Soil-Pile Interaction Parameter Identification Using Transfer Function Technique", Soils and Foundations, Japanese Geotechnical Society, Vol. 36, No. 3, 67 - 74.
  • Liang, R.Y. and Zhao, J. (1997), "Determination of Interslice Force in Limit Equilibrium Method", Soils and Foundations, Japanese Geotechnical Society, Vol. 37, No. 1, 65-72.
  • Liang, R.Y. and Zhou, J. (1997), Prediction of Fatigue Life of Asphalt Concrete Beams", Int. J. of Fatigue, Vol. 19, No. 2, 117-124.
  • Liang, R.Y. and Niu, Y. (1998), "Temperature and Curling Stress in Concrete Pavements: Analytical Solutions, J. Transportation Engrg., ASCE, Vol. 124, No. 1, 91-100.
  • Liang, R.Y. and Zhou, J. (1997), "Energy Based Approach for Crack Initiation and Propagation in Viscoelastic Solid", Engineering Fracture Mechanics, Vol. 58, No. 1/ 2, pp. 71-85.
  • Liang, R.Y., Feng, Y.X. and Vitton, S.J. (1998), "Analytical Study of Active and Passive Ground Anchors", to appear in Soils and Foundations, Japanese Geotechnical Society.
  • Feng, Y.X., Liang, R.Y., and Vitton, S.J. (1998), "Displacement Based Method for Anchor Reinforced Slope Stability", to appear in Soils and Foundations, Japanese Geotechnical Society.
  • Liang, R.Y. (1998), "Efficient Computational Algorithms for forward and Backward Analysis of Dynamic Pavement System", to appear in Computers & Structures, An Int. J.
  • Liang, R.Y.and Feng, Y.X. (1997), "Development and Application of Anchor - Soil Interface Models", to appear in J. Geotechnical and Geoenvironmental Engineering, ASCE.

 


Education

Ph.D., 1985, Department of Civil Engineering, University of California, Berkeley, CA; MS, 1979, Department of Civil Engineering, North Carolina State University, Raleigh, NC; BS, 1974, Department of Civil Engineering, Tam Kang University, Taipei, Taiwan