Currently He is working as a Assosiate Professor in department of  Civil Engineering, Isfahan University of Technology. He holds his PhD in  Highway Engineering from University of Science and Technology he did his M. Sc. in Highway Engineering., University of Science and Technology, Tehran and B. Sc. Civil Engineerig, Shiraz University, Shiraz

  Currently He is working as a Assosiate Professor in department of  Civil Engineering, Isfahan University of Technology. He holds his PhD in  Highway Engineering from University of Science and Technology he did his M. Sc. in Highway Engineering., University of Science and Technology, Tehran and B. Sc. Civil Engineerig, Shiraz University, Shiraz. his publication are- Sayyed MAHDI Abtahi, Sayyed MAHDI Hejazi, Mohammad Sheikhzadeh, Dariush Semnani, " On the Use of an Artificial Neural Network (ANN) and Slippage Theory to Analysis of Fiber Reinforced Asphalt Concrete (FRAC) Structures ", Iranian Journal of Science and En           February             Sayyed MAHDI Hejazi, Sayyed MAHDI Abtahi, Mohammad Sheikhzadeh, Dariush Semnani, "Introducing Two Simple Models for Predicting Fiber Reinforced Asphalt Concrete (FRAC) Behavior during Longitudinal Loads", International Journal of Applied Polymer Science,     Sayyed MAHDI Hejazi, Sayyed MAHDI Abtahi, Mohammad Sheikhzadeh, Dariush Semnani, " Using an Artificial Neural Network (ANN) for the Investigation of some Fiber Parameter Performances in Fiber Reinforced Asphalt Concrete (FRAC)", 7th International Conferen