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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

Scholar, Penn State University, Pennsylvania, USA

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

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

American Language Academia, Florida, USA

B.Sc., Ankara University, Ankara, TR

Memberships

International Association of Engineering Geologists (IAEG)

International Society for Rock Mechanics (ISRM)

Scientific Research Papers, Presentations & Others

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 (accepted)

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, 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.

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. [The best Paper Award in 2008 by 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 (in Turkish)

Yagiz S, Gireson K, Kaval O. 2012. Engineering aspect of evaporates extracted in Kizilyer-Denizli. Pamukkale University, Journal of Engineering Sciences, xx, xxx-xxx

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. Books

Proceedings of 1st international symposium on travertine. Ozkul M, Yagiz S, Jones B, (Eds), 420p. 2005, Kozan publisher, Ankara Turkey (in English).

D. International Proceedings

Yagiz S, J. Rostami. 2012. Indentation test for the measurement of rock brittleness. 46th U.S. Rock Mechanics Geomechanics Symposium, A. Bobet (Eds), June- 2012, Chicago USA

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

Sen S, Sezer E.A, Gokceoglu C, Yagiz S. 2011. On sampling strategies for small and continuous data with the modeling of Genetic Programming and ANFIS. In: Proceedings of Second International Fuzzy Systems Symposium. Gokceoglu C. et al. (Eds), 199-202, November, 17-18 2011, Ankara Turkey

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, et al. (Eds), 235-239. September 21-25, 2005. Denizli, Turkey.

Kaya A, Yagiz S. 2005. Influence of regional tectonics and geological structures on marble quarry operation: An example from Antalya Region, 1st International Symposium on Travertine, Ozkul M, et al. (Eds), 35-141, September 21-25 2005, Denizli, Turkey

Akyol E, Yagiz S, Ozkul M, Şen G, Kato S. 2005. Physical properties of hot spring travertines related to lithotypes at Pamukkale Region in Denizli, 1st International Symposium on Travertine, Ozkul M, et al. (Eds), 286-290, September 21-25 2005, Denizli Turkey

Aydın A, Yagiz S, Ozpınar Y, Semiz B. 2005. Investigation of travertine properties using geophysical methods, 1st International Symposium on Travertine, Ozkul M, et al. (Eds), 305-308, September 21-25 2005, Denizli, Turkey

Cigla M, Yagiz S, Ozdemir L. 2001. Application of tunnel boring machines in underground mining development, 17th International Mining Congress & Exhibition of Turkey, 155-164, Ankara 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.

E. National Proceedings (in Turkish)

Sezer E, Bozkır AS, Yagiz S, Gokceoglu C. 2010. Karar ağacı derinliğinin CART algoritmasında kestirim kapasitesine etkisi: Bir tünel açma makinesinin ilerleme hızı üzerinde uygulama, Akıllı Sistemlerde Yenilikler ve Uygulamaları Sempozyumu, 4s. ASYU 2010, Haziran, 21-24, 2010. Kayseri

Yagiz S, Ozdemir L, Rostami J. 2008. Kaya kütlelerinde mekanik kazılar için önerilen laboratuvar deneyleri, IX. Bölgesel Kaya Mekaniği Sempozyumu. Türk N, vd. (Ed), 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. (Ed), 303-312. Haziran 26-27, 2008. Afyon.

Ozkul M, Yagiz S. 2007. Çal bölgesinin jeolojisi ve doğaltaş kaynakları, Çal Sempozyumu Bildirileri. Topuz B, vd. (Eds), 198-204. Eylül 1-3, 2006 Denizli.

Yagiz S. 2006. Kayaların kesilebilirliği ve bazı mühendislik özelikleri arasındaki ilişkinin araştırılması, VIII. Bölgesel Kaya Mekaniği Sempozyumu, Vardar M, vd. (Ed), 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. (Ed), 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. (Ed), 229-239. Mart 2-3, 2006. Afyon.

Kumsar H, Ozkul M,  Yagiz S, Taşdelen S, Hançer M, Kaya A, Kaya M, Topal S, Erten H. 2006. Denizli Çevre Yolu Etrafındaki Alanların yerleşim yeri olarak seçilebilirliğinin jeolojik ve jeoteknik açıdan incelenmesi, Mühendislik Jeolojisinde Çağdaş Uygulamalar Sempozyumu. Kumsar H, vd. (Ed), 533-542. Mayıs 25-27, 2006. Denizli.

Aydın A, Yagiz S. 2006. Doğal taş ocaklarında yer radarı (GPR) ve sismik kırılma yöntemlerinin kullanılması, Mühendislik Jeolojisinde Çağdaş Uygulamalar Sempozyumu. Kumsar H, vd. (Ed), 415-422. Mayıs 25-27, 2006. Denizli.

F. International & National Abstract Presentations & Others

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. Factors affecting the advancement of full-face tunnel boring machine, 63th Geological Congress of Turkey, Abstract, p200-201, MTA General Directory, April 5-9, 2010, Ankara, Turkey

Yagiz S, Zorlu K. 2009. Using fractal dimension approach to investigate affect of slake durability index cycle integer on aggregate shape, 62th Geological Congress of Turkey, Abstract, p398, MTA General Directory, April 13-17, 2009, Ankara, Turkey

Yagiz S.  2009. Using indentation test to compute rock brittleness index, 62th Geological Congress of Turkey, Abstract, p400, MTA General Directory, April 13-17, 2009, Ankara, Turkey

Yagiz S, Tuzcuoglu MB, Uysal M. 2008. The relationship between Schmidt hardness values, uniaxial compressive strength and index properties of weak rocks, 61th Geological Congress of Turkey, Abstract, p41, MTA General Directory, March, 24-28, 2008, Ankara, Turkey

Yagiz S. 2006. An investigation on the relationship between rock strength and brittleness, 59th Geological Congress of Turkey, Abstract, p352, MTA General Directory,  March, 20-24, 2006, Ankara, Turkey

Kumsar H, Yagiz S, Ozkul M and Sen G. 2005. Geotechnical investigation of additional construction area of Denizli Organize Industry Region, 58th Geological Congress of Turkey, Abstract, p187, MTA General Directory, April, 11-17, 2005, Ankara, Turkey

Yagiz S. 2004. Correlation between uniaxial compressive strength and brittleness of selected rock types, 57th Geological Congress of Turkey, Abstract, p160, MTA General Directory, March 8-12, 2004, Ankara, Turkey

Yagiz S. 2004. Relationship between intact and mass rock properties with TBM performance, 57th Geological Congress of Turkey, Abstract, p175, MTA General Directory, March 8-12, 2004, Ankara, Turkey

Yagiz S. 2003. A model for prediction of TBM performance in hard rock condition, 56th Geological Congress of Turkey, Abstract, p227, MTA General Directory, April 14-20, 2003, Ankara, Turkey

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. 2001. Strength and related properties of concrete a quantitative approach. Popovics S. John Wiley & Sons Inc., New York 1998. Book Reviewed in Journal of Environmental & Engineering Geosciences, 7(1):111. February, 2001. TX USA.

Yagiz S. 2001. Filters and drainage in geotechnical and environmental engineering. Wolski W, Mlynarek J. (Eds). 2001. Book Reviewed in Journal of Environmental & Engineering Geosciences, 7(1):113. February, 2001. TX USA.

Yagiz S. 2001. Damage and fracture in heterogeneous materials; Modeling an Application to Improvement of Drilling Tool. Mishnaevsky L, Jr. Balkema Rotterdam. 1998. Book Reviewed in Journal of Environmental & Engineering Geosciences, 7(1):114. February, 2001. TX USA.

Yagiz S. 2001. Influence of gravity on granular soil mechanics. Katti RK, Katti AR, Katti DR. 2001. A. A. Balkema Rotterdam. Brookfield. 2000. Book Reviewed in Journal of Environmental & Engineering Geosciences, 7(3):298. August, 2001. TX 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

G. 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 Kizilyer (Denizli) evaporates, Scientific Research Unit of Pamukkale University, Project no: 2011: as coordinator

2009- 2010. Geo-mechanical properties of construction stone quarried in Southwestern Turkey, Supported by regional companies, 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

2006. Report on geomechanical properties of Antalya limestone, with Akyol E. 40p, Geological Engineering Department of Pamukkale University, Denizli

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