Dr. Saffet YAGIZ

Dr. Saffet YAGIZ

Nazarbayev University, Astana, Kazakhstan




2002 Ph.D., Colorado School of Mines, Colorado, USA

1997 M.Sc., University of Missouri Rolla, Missouri, USA

1992 B.Sc., Department of Geological Engineering, Ankara, Turkey


  1. Sen S, Sezer EA, Gokceoglu C, Yagiz S. (2012). On sampling strategies for small and continuous data with the modeling of Genetic Programming and ANFIS. Journal of Intelligent & Fuzzy Systems, DOI:10.3233/IFS-2012-0521.
  2. Yagiz S, Sezer EA, Gokceoglu C. (2012). Artificial neural networks and nonlinear regression techniques to assess the influence of slake durability cycles on the prediction of uniaxial compressive strength and modulus of elasticity for carbonate rocks.International Journal of Numerical and Analytical Methods in Geomechanics, 36, 1636-1650.
  3. Yagiz S. (2012). Comments on “Determination of strength parameters and quality assessment of Denizli travertines (SW Turkey)” [Eng Geol, 129–130 (2012) 38–47] Engineering Geology, 147–148, 149-150
  4. Yagiz S, Karahan H. (2011). Prediction of hard rock TBM penetration rate using particle swarm optimization, Rock Mechanics and Mining Sciences, 48, 427-433.
  5. Yagiz S. (2011). P-wave velocity test for the assessment of some geotechnical properties of rock materials. Bulletin of Materials Science, 34, 943-957.
  6. Yagiz S. (2011). Correlation between slake durability and rock properties for some carbonate rocks. Bulletin of Engineering Geology and the Environment, 70, 377-383.
  7. Yagiz S. (2011). Comments on the article “Performance prediction of hard rock TBM using Rock Mass Rating (RMR) system” [TUST, 25 (2010) 333-345]. Tunneling and Underground Space Technology, 26, 649-650.
  8. Yagiz S, Gokceoglu C. (2010). Application of fuzzy inference and non-linear regression methods for predicting rock brittleness. Expert Systems with Applications, 37, 2265-2272.
  9. Yagiz S. (2010). Geomechanical properties of construction stones quarried in Southwestern Turkey. Scientific Research and Essays, 5, 750-757.
  10. Yagiz S. (2010). Comments on “Multifactorial fuzzy approach to the penetrability classification of TBM in hard rock conditions” [TUST, 24 (2009) 500-505]. Tunneling and Underground Space Technology, 25, 95-96.
  11. Yagiz S, Gokceoglu C, Sezer E, Iplikci S. (2009). Application of two non-linear prediction tools to the estimation of tunnel boring machine performance. Engineering Application of Artificial Intelligence, 22, 818-824.
  12. Yagiz S. (2009). Predicting uniaxial compressive strength, modules of elasticity and index properties of rocks using Schmidt hammer. Bulletin of Engineering Geology and the Environment, 68, 55-63.
  13. Yagiz S. (2009). Assessment of brittleness using rock strength and density with punch penetration test. Tunneling and Underground Space Technology, 24, 66-74.
  14. Yagiz S. (2009). Discussion on the article ‘‘Influence of rock brittleness on TBM penetration rate in Singapore Granite” [TUST, 22 (2007) 317–324] and [TUST, 23 (2008) 217–218]. Tunneling and Underground Space Technology, 24, 115-116.
  15. Yagiz S. (2008). Utilizing rock mass properties for predicting TBM performance in hard rock condition. Tunneling and Underground Space Technology, 23, 326-339. [Awarded as the best paper of 2008 by National Committee of IAEG].