1. Assistance Professor, Dept. of Mining and Metallurgical Engineering, Yazd Univ., University Blvd., Safayieh, P.O. Box 89195-741, Yazd, Iran (corresponding author).
2. M.Sc. Graduated Rock Mechanics, Dept. of Mining and Metallurgical Engineering, Yazd Univ., University Blvd., Safayieh, P.O. Box 89195-741, Yazd, Iran.
3. Associate Professor, Dept. of Mining and Metallurgical Engineering, Yazd Univ., University Blvd., Safayieh, P.O. Box 89195-741, Yazd, Iran.