Saffet Yagiz, PhD

Associate Professor

Accepting PhD Students

  • 1017 Citations
  • 17 h-Index
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Personal profile

Professional Information

Dr. Yagiz holds MSc degree from the University of Missouri and a PhD degree from the Colorado School of Mines in the USA. His main research interests are geotechnical; engineering rock mechanics, mechanical excavation and tunneling. He has authored over 80 publications in peer-reviewed scientific journals and proceedings and also a book; Modified CSM Model for Predicting TBM Performance in Rock Masses. He is a recognized reviewer/editor of numerous mining, rock mechanics, engineering geology and geotechnical journals. He is known for the studies of developing the Modified CSM Model, TBM performance prediction formulas, and also proposing rock brittleness index and classification. 


Fundamentals of Geology; Rock Mechanics; Rock Excavation Methods; Advanced Tunnelling; Research Methods; Literature Review; Thesis

External positions

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  • 3 Similar Profiles
Rocks Engineering & Materials Science
TBM Earth & Environmental Sciences
rock Earth & Environmental Sciences
hard rock Earth & Environmental Sciences
Brittleness Engineering & Materials Science
Tunnels Engineering & Materials Science
penetration Earth & Environmental Sciences
Compressive strength Engineering & Materials Science

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Research Output 2001 2019

  • 1017 Citations
  • 17 h-Index
  • 28 Article
  • 9 Comment/debate
  • 6 Paper
  • 2 Book
Fuzzy inference
Rock mechanics
rock mechanics
compressive strength
Density (specific gravity)
Compressive strength
5 Citations

Model tree approach for predicting uniaxial compressive strength and Young’s modulus of carbonate rocks

Ghasemi, E., Kalhori, H., Bagherpour, R. & Yagiz, S., Feb 1 2018, In : Bulletin of Engineering Geology and the Environment. 77, 1, p. 331-343 13 p.

Research output: Contribution to journalArticle

Young modulus
compressive strength
carbonate rock
Compressive strength

Prediction of rock brittleness using genetic algorithm and particle swarm optimization techniques

Yagiz, S., Ghasemi, E. & Adoko, A. C., Dec 1 2018, In : Geotechnical and Geological Engineering. 36, 6, p. 3767-3777 11 p.

Research output: Contribution to journalArticle

genetic algorithm
Particle swarm optimization (PSO)
Genetic algorithms

Spatial mapping of the rock quality designation using multi-Gaussian Kriging method

Madani, N., Yagiz, S. & Adoko, A. C., Nov 15 2018, In : Minerals. 8, 11, 530.

Research output: Contribution to journalArticle

rock quality designation
Ore deposits

Activities 2017 2017

  • 1 Invited talk

Interaction of rock mass characteristics with full-faced tunneling machine performance

Saffet Yagiz (Keynote speaker)
Nov 17 2017

Activity: Talk or presentation typesInvited talk