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Civil and Environmental Engineering Faculty

Dr. Haifang Wen

Haifang Wen

Associate Professor


Sloan 41


(509) 335-2513


(509) 335-7632


  • Ph.D. Civil Engineering, North Carolina State University, Raleigh, NC, 2001
  • M.S. Civil Engineering, Southeast University, Nanjing, China, 1998
  • B.S. Civil Engineering, Shandong University, Jinan, China, 1995

Professional Experience

  • Assistant Professor, Civil & Environmental Engineering, WSU-Pullman, 2008-present
  • Researcher, Department of Civil & Environmental Engineering, University of Wisconsin -Madison, 2007-2008
  • Research Manager, Bloom Consultants, Milwaukee, Wisconsin, 2001-2007
  • Research Assistant, North Carolina State University, Nanjing China, 1998-2001


  • Anjan Bose Outstanding Faculty Researcher, College of Engineering, Washington State University, 2014
  • Outstanding Faculty Researcher, Department of Civil and Environmental Engineering, Washington State University, 2013, 2014
  • Outstanding Mentor, Washington State University, 2009
  • Outstanding Alumni, Shandong University, 2008

Research Interests

  • Constitutive modeling of pavement materials
  • Recycled materials and byproducts utilization
  • Pavement evaluation and rehabilitation


  • Transportation Engineering
  • Pavement Design
  • Advanced Pavement Design and Analysis
  • Highway Materials Engineering
  • Advanced Transportation Topic: Superpave Mix Design


  • Wen H., Li X., and Bhusal S., “Modeling the Effects of Temperature and Loading Rate on Fatigue Property of Hot Mixed Asphalt,” International Journal of Pavement Engineering, Nov. 2012, DOI:10.1080/10298436.2012.746687
  • Li X., Wen H., and Muhunthan B., “Modeling of the Drying properties of Soils and Cementitiously Stabilized Soils,” paper accepted for publication by Transportation Research Records, Feb. 2014
  • Wen H. and Bhusal S., “A Laboratory Evaluation of Waste Cooking Oil-Based Bioasphalt as a Sustainable Binder for Hot Mix Asphalt,” ASCE Journal of Materials in Civil Engineering, Oct. 2012, DOI: 10.1061/(ASCE)MT.1943-5533.0000713
  • Li X. and Wen H., “Effects of the Preoverlay Pavement Conditions and Preoverlay Repair Methods on the Performance of Asphaltic Concrete Overlay,” ASCE Journal of Transportation Engineering, Vol. 140, No. 1, January 2014, pp. 42-49
  • Wen H., and Bhusal S., and Sun R. “An Innovative Approach to Characterizing Damage Evolution in Asphalt Concrete During Fatigue Tests,” ASCE Journal of Materials in Civil Engineering, 10.1061/(ASCE)MT.1943-5533.0000970 (Oct. 30, 2013).
  • Wen H. and Bahia H., “Characterizing Fatigue of Asphalt Binders Using Viscoelastic Continuum Damage Mechanics. Transportation Research Record.” Accepted for publication at Transportation Research Records, 2009
  • Johnson C., Bahia H., and Wen H., “Practical Application of Viscoelastic Continuum Damage Theory to Asphalt Binder Fatigue Characterization,” Accepted for publication at Journal of Association of Asphalt Paving Technologist, 2009.
  • Wen H. and Kim Y.R., “Simple Performance Test for Fatigue Cracking and Validation with WesTrack Mixtures,” Transportation Research Record, No. 1789, Transportation Research Board, National Research Council, Washington, D.C., 2002, pp. 66-72.