Dr. Yagiz holds a PhD from Colorado School of Mines, USA. Authored over 150 publications in peer-reviewed scientific journals, proceedings, books and industrial reports. Recognized reviewer of numerious prestigious journals and an Editor of Tunnelling & Underground Space Tech., (TUST, 2019-2021). Currently an editorial board member of TUST, Int J of Trans., Tech., Int J of Earth & Envir., Sci., Int J of Geo-resources and Env. First paper he published (in TUST, 2008) is awarded by Int Association of Engineering Geologists as the best paper of the year. One of the authors of first manuscript published (in Enginering Geology, 2017) with the affiliation of School of Mining and Geosciences of Nazarbayev University (NU).

Dr. Yagiz is a chair of teaching & learning committee and coordinator of Mining Engineering program of the School of Mining and Geosciences (SMG) (2018-2021). Representative member of teaching & learning and academic quality committees of the SMG at NU (2018-2022). Awarded with Nazarbayev University, Senate Service Award (2020), due to outstanding contribution to the SMG and NU.

Dr. Yagiz is in the list of the top 2% world most widely cited scientists for the third consecutive year (2021-2023). Recognized by Scopus Elsevier Research Excellence Award (2022). A professional member of the Int Society for Rock Mechanics & Rock Engineering (ISRM) and working group member of rock boreability and small-scale linear rock cutting tests of ISRM, also an Asian Universities Alliance Scholar.

MINE302 Geomechanics; MINE305 Rock Breakage; MINE502 Geology for Mining Engineers; MINE507 Rock Excavation; MINE605/801 Mechanized Excavation & Tunnelling; GEOXXX Engineering Geology & Geotech.; MINE 690/890 Research

Geotechnical engineering; Geomechanics; Rock excavation; Engineering geology; Performance analysis of mechanical excavators; Geotechnical site investigation

Selected Recent Journal Manuscripts

Yazitova A, Yagiz S. Performance analysis of drilling machines based on rock properties and machine’s specifications. Bull of Engineering Geology and the Environment, 83: 37 (2024) (Q1)

Parsajoo M, Mohammed AS, Yagiz S, Armaghani DJ, Khandelwal M. An evolutionary adaptive neuro-fuzzy inference system for estimating field penetration index of tunnel boring machine in rock mass. International Journal of Rock Mechanics and Geotechnical Engineering, 13(6): 1290-1299 (2021) (Q1)

Goodarzi S, Hassanpour J, Yagiz S, Rostami J. Predicting TBM performance in soft sedimentary rocks, case study of Zagros Mountains water tunnel projects. Tunnelling and Underground Space Technology, 109:103705 (2021) (Q1)

Zhou J, Qiu Y, Zhu S, Armaghani DJ, Li C, Nguyen H, Yagiz S. Optimization of support vector machine through the use of metaheuristic algorithms in forecasting TBM advance rate. Engineering Applications of Artificial Intelligence, 97: 104015 (2021) (Q1)

Buyuksagis IS, Rostami J, Yagiz S. Development of models for estimating specific energy and specific wear rate of circular diamond saw blades based on properties of carbonate rocks. International Journal of Rock Mechanics & Mining Sciences, 135: 104497 (2020) (Q1)

Selected Recent Books and Chapters

Khandelwal M, Armaghani DJ, Bhatawdekar RM, Samui P, Yagiz S. Advancements in Underground Infrastructures, CRC Press Book 2024.

Ghorbani E, Adoko AC, Yagiz S. Disc Cutter Wear-Consumption Prediction Based on Rock Properties: An overview and Perspective. Advancements in Underground Infrastructures, 2024.

Ghorbani E, Adoko AC, Yagiz S. AI-based TBM Performance Models to Predict the Rate of Penetration: An Overview and Perspective. Advancements in Underground Infrastructures, 2024.

Selected Recent Proceedings Papers and Presentations

Yermukhanbetov K, Yazitova A, Yagiz S. Comparison of strength-based rock brittleness indices with the brittleness index measured via Yagiz's approaches. doi.org/10.1088/1755-1315/833/1/012038. ISRM International Symposium: Eurock2021-Mechanics and Rock Engineering from theory to practice. Torino, Italy. 20-25 September 2021

Yagiz S, Yermukhanbetov K, Yazitova A, Rostami J. 2021 Utilizing linear cutting machine test for estimating cutting force via intact rock properties. 55th U.S. Rock Mechanics and Geomechanics Symposium (ARMA), Texas, USA, 20-23 June 2021. Paper Number: ARMA-2021-1108

Yagiz S, Shaterpour-Mamaghani A, Yazitova A, Yermukhanbetov K, Dogan E, Erdogan T, Copur H. Empirical models for estimating performance and operational parameters of raise boring machine in mining applications. doi.org/10.1088/1755-1315/833/1/012129. ISRM International Symposium: Eurock2021-Mechanics and Rock Engineering from theory to practice. Torino, Italy. 20-25 September 2021

Yazitova A, Yagiz S. Estimation of drilling rate of diamond driller using rock properties and driller specifications. Eurock 2020-Hard Rock Engineering Trondheim, Norway, 14-19 June 2020

Massalov T, Yagiz S, Rostami J. 2020. Relationship between key rock properties and Cerchar abrasivity index for estimation of disc cutter wear life in rock tunneling applications. Eurock 2020-Hard Rock Engineering Trondheim, Norway, 14-19 June 2020

Selected Recent Projects Involved

Yagiz S, Arman H. Utilizing Geological Strength Index to development of Bearing Capacity Chart for jointed weak carbonate rocks. Asian Universities Alliance Project (External project in 2024).

Yagiz S, Rostami J, Copur H. A Model Development for the Estimation of Roadheader Performance in Mining and Civil Construction. Principle Investigator, (150,000 USD) (2024-2026)

Yagiz S, Adoko AC, Rostami J, Hassanpour J. Hard Rock Tunnelling: A Generalized Model for Estimating TBM Penetration and Disc Cutter Weariness. Grant No: 021220FD5151, (150,000 USD), Faculty Development Competitive Research Grant Principle Investigator, (2021-2023)

Wang L, Hazlett R, Yagiz S, Zhang D, Ismailova J, Teklu T, Bekbauov B, Kneafsey T. & Wu Y. Development of cryogenic fracturing technology for coalbed methane production in Karaganda Coal Basin, Kazakhstan. Grant No: 021220CRP2022 (449,945 USD), Collaborative Research Program Project. Co-Principle Investigator (2021-2023)

Madani N, Yagiz S, Sabanov S. Multivariate Mapping of Geo-metallurgical Variables with Complex Cross-Correlation Characteristics. Grand No: 090118FD5336, (132,975 USD), Faculty Competitive Grant, Co-Principle Investigator, (2017-2020)