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Assoc. Prof. Dr. SAFFET YAGIZ

 

 

 

 “I never teach my pupils, I only attempt to provide the conditions in which they can learn”

A.E.

E-mail :

 syagiz@pau.edu.tr

Url :

 http://syagiz.pau.edu.tr

Phone :

 +90 258 296 1506

Fax :

 +90 258 296 1564

Address :

Pamukkale University, Faculty of Engineering, Geological Eng Department Denizli, 20020 Turkiye

Education

Visiting Scholar, Penn State University, Pennsylvania, USA

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

M.Sc., Missouri Technical University, Missouri, USA

B.Sc., Ankara University, Ankara, TR

Selected Scientific Research Papers and Presentations

A. International Journal Papers

Yagiz S, Gireson K, Kaval O. 2012. A study to assess the influence of slake durability cycle’s integer for predicting some properties of weak rocks. Environmental Earth Sciences, x, xx-xx, 2012

Yagiz S. 2012. pH of testing liquid controls on the slake durability of carbonate rocks. Environmental Earth Sciences, x, xx-xx

Karahan H, Yagiz S. 2012. Application of harmonic search (HS) algorithm to assess the performance of tunneling machines. Engineering Optimization, x, xx-xx

Sen S, Sezer E.A, Gokceoglu C, Yagiz S. 2012. On sampling strategies for small and continuous data with the modeling of Genetic Programming and ANFIS. Expert Systems with Applications, x, xx-xx.

Forough O, Torabi S.R, Yagiz S. 2012. Usability of Rock Mass Rating (RMR) for estimating TBM utilization and performance parameters: A case study of Karaj-Tehran Water Conveyance Tunnel. Tunneling and Underground Space Technology, x, xx-xx.

Yagiz S, Sezer EA, Gokceoglu C. 2011. 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 for Numerical and Analytical Methods in Geomechanics, DOI: 10.1002/nag.1066.

Yagiz S. 2011. P-wave velocity test for the assessment of some geotechnical properties of rock materials. Bulletin of Materials Science, 34, 943-957

Yagiz S. 2011. Comments on the article “Performance prediction of hard rock TBM using Rock Mass Rating (RMR) system” by J.K. Hamidi et al. [Tunneling and Underground Space Technology, 25 (2010) 333-345]. Tunneling and Underground Space Technology, 26, 649-650.

Yagiz S, Karahan H. 2011. Prediction of hard rock TBM penetration rate using particle swarm optimization, International Journal of Rock Mechanics and Mining Sciences, 48, 427-433.

Yagiz S. 2011. Correlation between slake durability and rock properties for some carbonate rocks. Bulletin of Engineering Geology and the Environment, 70, 377-383.

Yagiz S. 2010. Geomechanical properties of construction stones quarried in Southwestern Turkey. Scientific Research and Essays, 5, 750-757.

Yagiz S. 2010. Discussion on “Assessment of some brittleness indexes in rock-drilling efficiency” by Rasit Altindag, Rock Mechanics and Rock Engineering, DOI: 10.1007/s00603-009-0057-x. Rock Mechanics and Rock Engineering, 43, 371-373.

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.

Yagiz S. 2010. Comments on “Multifactorial fuzzy approach to the penetrability classification of TBM in hard rock conditions” by R. Mikaeil, M.Z. Naghadehi and F. Sereshki. [Tunneling and Underground Space Technology, 24 (2009) 500-505]. Tunneling and Underground Space Technology, 25, 95-96.

Yagiz S, Gokceoglu C, Sezer E, İplikçi 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.

Yagiz S. 2009. Discussion on the paper entitled “Indentation hardness test to estimate the sawability of carbonate rocks” by S. Kahraman and O. Gunaydin. Bull Eng Geol and the Environ. 67, 507-511. Bulletin of Engineering Geology and the Environment, 68, 437-439.

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.

Yagiz S. 2009. Discussion on the article ‘‘Influence of rock brittleness on TBM penetration rate in Singapore Granite” by Q.M. Gong and J. Zhao [Tunneling and Underground Space Technology 22 (2007) 317–324] and ‘‘Response by the Authors to R.M. Goktan Discussion to the paper ‘‘Influence of rock brittleness on TBM penetration rate in Singapore Granite” by Q.M. Gong and J. Zhao [Tunneling and Underground Space Technology 23 (2008) 217–218]. Tunneling and Underground Space Technology, 24, 115-116.

Yagiz S. 2009. Assessment of brittleness using rock strength and density with punch penetration test. Tunneling and Underground Space Technology, 24, 66-74.

Yagiz S. 2008. Utilizing rock mass properties for predicting TBM performance in hard rock condition. Tunneling and Underground Space Technology, 23, 326-339. [Prof. Dr. Kemal Erguvanlı Research Award in 2008 by Turkish National Committee of IAEG].

Yagiz S, Akyol E, Sen G. 2008. Relationship between standard penetration and pressuremeter test on sandy silty clays: A case study from Denizli. Bulletin of Engineering Geology and the Environment, 67, 405-410.

Yagiz S. 2001. Brief notes on the influence of shape and percentage of gravel on shear strength of sand and gravel mixture. Bulletin of Engineering Geology and the Environments, 60, 321-323

B. National Journal Papers

Yagiz S, Gireson K, Kaval O. 2012. Engineering properties of Kizilyer (Denizli) Evaporites. Pamukkale University, Journal of Engineering Sciences, x, xx-xx

Yagiz S. 2011. Properties of schist extracted in the City of Denizli Surroundings as construction material. Pamukkale University, Journal of Engineering Sciences, 17, 157-163

Yagiz S. 2009. Usability of dolomitic limestone unit of Bascesme Formation (Bascesme-Denizli) as building stone. Suleyman Demirel University, Journal of Natural Sciences, 13, 265-270

C. International Proceedings

Yagiz S, J. Rostami. 2012. New approach to direct computation of rock brittleness with indentor. 46th U.S. Rock Mechanics Geomechanics Symposium, A. Bobet (Eds), June- 2012,  Chicago USA

Yagiz S. Forough O, Torabi S.R, J. Rostami. 2012. Estimating TBM performance parameters using Rock Mass Rating (RMR). 46th U.S. Rock Mechanics Geomechanics Symposium, A. Bobet (Eds), xx-xx, June- 2012, Chicago USA

Yagiz S, Rostami J. 2012. Using indentation test for the measurement of rock brittleness. Eurock’12-Rock Engineering and Technology for Sustainable Underground Construction; Proceedings of the ISRM Regional Symposium, Stille H. et al. (Eds) 5p. May 28-30, 2012. Stockholm, Sweden

Yagiz S, Rostami J, Ozdemir L. 2012. Colorado School of Mines approach for predicting TBM performance. Eurock’12-Rock Engineering and Technology for Sustainable Underground Construction; Proceedings of the ISRM Regional Symposium, Stille H. et al. (Eds) 5p. May 28-30, 2012. Stockholm, Sweden

Yagiz S. 2010. Travertine as construction and building material. In: 2nd International Symposium on Sustainable Development. Padem H. et al (Eds), 667-673, June 8-9, 2010 Sarajevo, Bosnia-Herzegovina

Yagiz S, Merguerian C, Kim T. 2010. Geological controls on the breakthrough of tunnel boring machines in hard rock crystalline terrains. In: Eurock’10-Rock Mechanics in Civil and Environmental Engineering; Proceedings of the ISRM Regional Symposium. Zhao J. et al. (Eds), 4p. June 15-18, 2010. Lausanne, Switzerland.

Yagiz S, Rostami J, Kim T, Ozdemir L, Merguerian C. 2009. Factors influencing performance of hard rock tunnel boring machine. In: Eurock’09-Rock Engineering in Difficult Ground Conditions, Soft Rocks and Karst; Proceedings of the ISRM Regional Symposium. Vrkljan I. (Ed), 695-700. October 21-31, 2009. Cavtat, Croatia.

Yagiz S. 2009. Geotechnical considerations on TBM tunneling in rock media. In: Proceedings of 2nd International Conference on New Developments in Soil Mechanics and Geotechnical Engineering. Atalar C, et al. (Eds), 504-511. May 28-30, 2009. Nicosia, Northern Cyprus.

Yagiz S, Rostami J, Ozdemir L. 2008. Recommended rock testing methods for predicting TBM performance: focus on the CSM and NTNU Models. In: Proceedings of 5th Asian Rock Mechanics Symposium. Majdi A, Ghazvinian A. (Eds), 1520-1530. November 24-26, 2008. Tehran, IRAN.

Yagiz S. 2006. Recent advancement in predicting TBM performance. In: The Proceedings of 7th International Congress on Advances in Civil Engineering. 10p. in DVD. October 11-13, 2006. Istanbul, Turkey.

Yagiz S. 2006. A model for prediction of tunnel boring machine performance. In: The 10th Int. Association of Engineering Geologists Congress. Substructures and Underground Space. Paper no. 383. Engineering geology for tomorrow`s cities. 10p. in DVD. The Geological Society of London, September 6-10, 2006. U.K.

Yagiz S. 2006. Overview on geo-mechanical assessments of Denizli travertines in Turkey. In: The 10th International Association of Engineering Geologists Congress. City Resources. Paper no. 384. Engineering geology for tomorrow`s cities. 7p. in DVD. The Geological Society of London, September 6-10, 2006. U.K.

Yagiz S. 2006. TBM performance prediction based on rock properties. In: Eurock’06-Multiphysics Coupling and Long Term Behavior in Rock Mechanics; Proceedings of the ISRM Regional Symposium. Cotthem AV, et al. (Eds), 663-670. 708p. May 9-12, 2006. Liege, Belgium.

Yagiz S. 2006. Machine selection criteria for mechanical excavation of natural materials. In: 11th International Material Symposium. 5p. in DVD. April 19-21, 2006. Denizli, Turkey.

Yagiz S, Akyol E. 2005. Geo-mechanical assessment of travertine in Antalya Region. In: Proceedings of 1st International Symposium on Travertine. Ozkul M, Yagiz S, Jones B. (Eds), 235-239. September 21-25, 2005. Denizli, Turkey.

Yagiz S. 2001. Overview of classification and engineering properties of shale for design considerations. In: Proceedings of Second Congress on Construction and Materials Issues. American Society of Civil Engineers. Civil Engineering Conference and Expositions 2001. Hancher DE. (Ed), 156-165. October 10-13, 2001. Houston, TX USA.

D. National Proceedings

Yagiz S, Ozdemir L, Rostami J. 2008. Kaya kütlelerinde mekanik kazılar için önerilen laboratuvar deneyleri. IX. Bölgesel Kaya Mekaniği Sempozyumu. Türk N, vd. (Eds), 225-244. Ekim 30-31, 2008. Dokuz Eylül Üniversitesi, Izmir.

Yagiz S, Uysal M, Tuzcuoglu MB. 2008. Zayıf kayaların basit fiziksel özellikleri (yoğunluk, gözeneklilik, su emme, doluluk) ve Schimidt yüzey sertlikleri arasındaki ilişkinin istatistiksel irdelenmesi. 6. Mermer ve Doğal Taş Sempozyumu. Mersem`08. Ersoy M, vd. (Eds), 303-312. Haziran 26-27, 2008. Afyon.

Yagiz S. 2006. Kayaların kesilebilirliği ve bazı mühendislik özelikleri arasındaki ilişkinin araştırılması. VIII.Bölgesel Kaya Mekaniği Sempozyumu, Vardar M, vd. (Eds), 99-106. Kasım 2-3, 2006. ITU, Istanbul.

Yagiz S, Kumsar H, Ozkul M, Sen G. 2006. Yerleşim alanları için mühendislik jeolojisi incelemesi: Denizli Organize Sanayi Bölgesi Örneği. Mühendislik Jeolojisinde Çağdaş Uygulamalar Sempozyumu. Kumsar H, vd. (Eds), 573-582. Mayıs 25-27, 2006. Denizli.

Yagiz S, Aydın A. 2006. Doğal taş işletmeciliğinde jeoteknik araştırmalar: Karataş Mevkii (Denizli) doğal taş incelemesi. 5. Mermer ve Doğal Taş Sempozyumu. Mersem`06. Ersoy M, vd. (Eds), 229-239. Mart 2-3, 2006. Afyon.

E. International & National Abstract Presentations

Yagiz S, Gokceoglu C, Sezer E. 2010. Comparison of two non-linear prediction techniques for estimation of some intact rock parameters. European Geosciences Union, General Assembly, Geophysical Research Abstracts, Vienna, Austria.

Yagiz S, Kim T, Merguerian C. 2010. Tam cepheli tünel delme makinelerinin ilerleme hızına etki eden faktörler. 63.Türkiye Jeoloji Kurultayı, Özet, 200-201. Nisan 4-9, 2010. MTA Genel Müdürlüğü, Ankara.

Yagiz S, Zorlu K. 2009. Suda dağılmaya karşı duraylılık indeksi çevrim sayısının tane şekli üzerindeki etkisinin fraktal boyut yaklaşımı kullanılarak araştırılması. 62.Türkiye Jeoloji Kurultayı, Özet, s398. Nisan 13-17, 2009. MTA Genel Müdürlüğü, Ankara.

Yagiz S. 2009. Kayaçlarda kırılganlık indeksi hesaplaması için uç batırma deneyinin kullanılması. 62.Türkiye Jeoloji Kurultayı, Özet, s400. Nisan 13-17, 2009. MTA Genel Müdürlüğü, Ankara.

Yagiz S. 2006. Kaya dayanımları ve kırılganlık arasındaki ilişkinin araştırılması. 59. Türkiye Jeoloji Kurultayı, Özet, s352. Mart 20-24, 2006. MTA Genel Müdürlüğü, Ankara.

Yagiz S. 2004. Seçilen kaya türlerinde tek eksenli basma dayanımı ve kaya kırılganlığı arasındaki ilişki. 57. Türkiye Jeoloji Kurultayı, Özet, s160. Mart 8-12, 2004. MTA Genel Müdürlüğü, Ankara.

Yagiz S. 2004. Intak ve kütle kaya parametreleri ile tünel açma makineleri performansı arasındaki ilişki. 57. Türkiye Jeoloji Kurultayı, Özet, s175. Mart 8-12, 2004. MTA Genel Müdürlüğü, Ankara.

Yagiz S. 2003. Sert kaya koşullarında tam cepheli tünel açma makinelerinin ilerleme hızını tahmin için bir model. 56. Türkiye Jeoloji Kurultayı, Özet, s227. Nisan 14-20, 2003. MTA Genel Müdürlüğü, Ankara.

Yagiz S. 2002. Application of rock engineering in mechanical tunneling. 45th Annual Meeting of Association of Engineering Geologists. In: Program with Abstracts. Technical Session 12: Transportation Engineering Geology. p82. September 23-29, 2002. Reno, NV USA.

Yagiz S, Ozdemir L. 2001. Geotechnical parameters influencing the TBM performance in various rocks. 44th Annual Meeting of Association of Engineering Geologists. In: Program with Abstracts. Technical Session 10: Engineering Geology for Construction Practices. p79. September 29-October 7, 2001. Saint Louis, MO USA.

Yagiz S. 2001. Geotechnical aspects of Turkish Earthquake, 17 August 1999. 44th Annual Meeting of Association of Engineering Geologists. In: Program with Abstracts. Technical Session 11: Natural Hazards: Recognition and Risk Assessment. p80. September 29-October 7, 2001. Saint Louis, MO USA.

Yagiz S. 2000. Evaluation of rock mass classifications for supporting TBM tunnels. 43rd Annual Meeting of Association of Engineering Geologists. In: Program with Abstracts. Technical Session 23: Material Characterization. p122. September 19-26, 2000. San Hose, CA USA

F. International & National Projects

2012-2013. A study to assess the Influence of slake durability cycles on the prediction of uniaxial compressive strength for evaporates. Scientific Research Unit of Pamukkale University, Project no: 2012: as coordinator

2009-2011. Engineering properties of Kızılyer (Denizli) evoporites. Scientific Research Unit of Pamukkale University, Project no: 2011: as coordinator

2006-2008. An investigation on the relationship between lithological features and slake durability index of travertine in Denizli, with Akyol E. Scientific Research Unit of Pamukkale University, Project no: 2006:MHF004, as coordinator

2005-2006. Report on the geotechnical investigation of areas around the Denizli Ring Road for site selection in urbanization, with Kumsar H, Ozkul M, Tasdelen S, Hancer M, Kaya A, Kaya M, Alcicek MC, Topal S, Erten H. 97p, Geological Engineering Department of Pamukkale University, Denizli

2004-2005. Geotechnical investigation of additional construction area of Denizli Organize Industry Region, with Kumsar H, Ozkul M, Sen G. 80p, Geological Engineering Department of Pamukkale University, Denizli

2000-2002. Braintree Weymouth Swear Tunnel Project Report, with Ozdemir L, Cigla M, Asbury B, Kim T. Excavation Engineering & Earth Mechanics Institute, Colorado School of Mines, CO USA

1999-2001. Manapouri Hydropower Tunnel Project Report, with Ozdemir L, Cigla M, Asbury B, Kim T. Excavation Engineering & Earth Mechanics Institute, Colorado School of Mines, CO USA

1998-2000. Queens Water Tunnel No.3, Stage 2 Report, with Ozdemir L, Cigla M, Asbury B, Kim T. Excavation Engineering & Earth Mechanics Institute, Colorado School of Mines, CO USA

A/Prof. Dr. Saffet YAGIZ