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Cem Demir

 

Structural Eng. (PhD)

Research Associate at Istanbul Technical Univ., Civil Eng. Faculty, Reinforced Concrete Structures Unit

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SCI Journal Publications

A8)  Demir, Cem; Kucukkapili, Aygul; Doyrangol, Duygu; Ilki, Alper; The Effects of Loading Rate and Duration on the Axial Behavior of Low-Strength and Medium-Strength Noncircular Concrete Members Confined by Fiber-Reinforced Polymer Sheets, Polymers, 6(6), 1685-1704, 2014, Multidisciplinary Digital Publishing Institute.

 

A7)  Demir, Cem; Ilki, Alper; "Characterization of the materials used in the multi-leaf masonry walls of monumental structures in Istanbul, Turkey", Construction and Building Materials, 64, 398-413, 2014, Elsevier.

 

A6)  Ilki, A; Comert, M; Demir, C; Orakcal, K; Ulugtekin, D; Tapan, M; Kumbasar, N; Performance Based Rapid Seismic Assessment Method (PERA) for Reinforced Concrete Frame Buildings,Advances in Structural Engineering, 17(3) 439-460,2014, Multi Science Publishing.

 

A5) Tapan, M., M. Comert, C. Demir, Y. Sayan, K. Orakcal, and A. Ilki, “Failures of Structures during the October 23, 2011 Tabanlı (Van) and November 9, 2011 Edremit (Van) Earthquakes in Turkey, Engineering Failure Analysis, 34 (2013), 606-628, 2013.

 

A4) Demir, C., K. Kolcu and A. Ilki, "Effects of Loading Rate and Duration on Axial Behavior of Concrete Confined by Fiber Reinforced Polymer Sheets," ASCE J. Comp. Const., 14(2), 146-151, 2010.

 

A3) Ispir, M., Demir, C., Ilki, A., Kumbasar, N., "Material Characterization of the Historical Unreinforced Masonry Akaretler Row Houses in Istanbul ", J. Mat. in Civ. Engrg. Volume 22, Issue 7, pp. 702-713, 2010.

 

A2) Ilki, A., C. Demir, I. Bedirhanoglu, Kumbasar, N., "Seismic Retrofit of Brittle and Low Strength RC Columns using Fiber Reinforced Polymer and Cementitious Composites", Advances in Structural Engineering, 12(3), 325-347, 2009 (Best Paper Award).

 

A1) Ilki, A., O. Peker, E. Karamuk, C. Demir and N. Kumbasar, "FRP Retrofit of Low and Medium Strength Circular and Rectangular Reinforced Concrete Columns," ASCE J. Mat. Civ. Eng., 20(2), 169-188,  2008.

Non-SCI Journal Publications

D1) İlki, A., C. Demir, A. Karadeniz ve N. Kumbasar, “Hasarlı Betonarme Elemanların Çelik Köşebent ve Lamalar ile Güçlendirilmesi”, İTÜ Dergisi/d, 2(3), 3-16 (2003).

 

Proceedings (International)

B38) Comert, M., Demir, C., Ghatte, H.F., and Ilki A., “Seismic Performance of Full-Scale FRP Confined Substandard Columns Subjected to High Axial Load,“ CICE 2014 The 7 th International Conference on FRP Composites in Civil Engineering, Vancouver, 2014.

 

B37) Al-Gohi, B.H., C. Demir, A. Ilki, M.H. Baluch, and M.K. Rahman, “Assessing Seismic Vulnerability of Unreinforced Masonry Walls Using Elasto-plastic Damage Model,” in Seismic Evaluation and Rehabilitation of Structures, ed. A. Ilki and M.N. Fardis, Springer, 2014.

 

B36) Ilki, A., C. Demir, and K. Ugurlu, “An Overview of Seismic Performance of Buildings Constructed with Reinforced AAC Panels,” Proc. Sustainable Building Concepts in Earthquake Regions & Energy Efficient Buildings, Istanbul, 2013. (invited paper).

 

B35) Ugurlu, K., C. Demir, A. Ilki, “Seismic assessment of a School Building Conctructed with AAC Panels and Experienced 1999 Kocaeli Earthquake, SMAR 2013 Second Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Istanbul, 2013.

 

B34) Al-Gohi, B.H., M.K. Rahman, C. Demir, M.H. Baluch, A. Ilki, “Behavior of Heritage Masonry Walls Retrofitted with CFRP Sheets”, SMAR 2013 Second Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Istanbul, 2013.

 

B33) Karatas, C.A., C. Demir, M. Comert, S. Cetinkaya, B. Gunes, and O.C. Celik, “Cyclic Testing of a Steel-Core Buckling Rstrained Brace Under Near-Fault Displacement Reversals, SMAR 2013 Second Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Istanbul, 2013.

 

B32) Demir, C., E. Dogu, M. Ispir, and A. Ilki, “Seismic Behavior of Ottoman Empire Classical Period Stone Masonry Walls,” 10CUEE Tenth International Conference on Urban Earthquake Engineering, Tokyo, 2013 (Best Presentation Award).

 

B31) Ilki, A., M. Comert, C. Demir, K. Orakcal, M. Tapan, and N. Kumbasar, “Performance Based Rapid Seismic Assessment Method (PERA) for Existing RC Frames,” First International Conference on Performance-Based and Life-Cycle Structural Engineering (PLSE 2012), Hong Kong, 2012.

 

B30) Cosgun, C., M. Comert, C. Demir, and A. Ilki, “FRP Retrofıt of a Full-scale 3D RC Frame,” 6th International Conference on FRP Composites in Civil Engineering, Rome, 2012.

 

B29) Ilki, A., K. Orakcal, M. Tapan, C. Demir, M. Comert, Y. Tuncel, K. Kusunoki, and A. Tasai, “Lessons Learnt From 2011 Van Earthquakes in Turkey in Terms of Structural Engineering,” Joint Conference Proceedings, 9th International Conference on Urban Earthquake Engineering/ 4th Asia Conference on Earthquake Engineering, Tokyo, March, 2012.

 

B28)  Demir, C., Aydogmus, A. and Ilki, A. "Short Term Creep Tests of Low Strength Rectangular Concrete Members Jacketed with Carbon FRP Sheets", APFIS2012 The Third Asia-Pacific Conference on FRP in Structures, Sapporo, 2012.

 

B27) Akgun, D., Demir, C. and Ilki, A., " Axial Behavior of FRP Jacketed Extended Rectangular Members", CICE 2010 5th International Conference on FRP Composites in Civil Engineering, Beijing, 2010.

 

B26) Gedik, O., Demir, C. and Ilki, A., " Effect of unconfıned concrete strength on the strength and deformability predictions of frp confıned concrete", Asia-Pacific Conference on FRP in Structures, Seoul, 2009.

 

B25) Ispir, M., C. Demir, A. Ilki and N. Kumbasar, "Evaluation of Test Methods for Seismic Safety Assessment of Masonry Buildings," 8th International Seminar on Structural Masonary, ISSM08, Istanbul, 2008.

 

B24) Goksu, C., B. Demirtas, C. Demir, A. Ilki and N. Kumbasar, "Seismic Behavior of Low Strength RC Columns with Corroded Plain Reinforcing Bars," 14th World Conference on Earthquake Engineering, 14WCEE, Beijing, China.

 

B23) Ilki, A., M. Ispir, F. As, C. Demir and N. Kumbasar, "FRP Retrofit of Walls Constructed with Historical Bricks," Challanges for Civil Construction, CCC2008, Porto, 2008.

 

B22) Ilki, A., C. Demir and N. Kumbasar, "Effects of Pre-damage and cyclic compression on axial behavior of FRP jacketed concrete," Asia-Pacific Conference on FRP in Structures, Hong Kong, 2007.

 

B21) Demir, C., D. Acar, S.O. Terzi, M. Ispir, B. Demirtas, A. Ilki and N. Kumbasar, "Preliminary Structural Assessment of Kariye Monument-Northern Annex", Int. Symp. Studies on Historical Heritage, Antalya, 2007.

 

B20) Ilki, A., C. Goksu, C. Demir and N. Kumbasar, "Seismic Analysis of a RC Frame Building with FRP Retrofitted Infill Walls," 6th International Conference on Fracture Mechanics for Concrete and Concrete Structures, FraMCoS-6, Catania, 2007.

 

B19) Ilki, A., M. Ispir, C. Demir, E. Karamuk, F. As, N. Cini, M. Aydin, G. Toponder, T. Tulun, N. Kumbasar and S. Akman, "Seismic Safety of a Historical Row House Complex Built during Ottoman Period," 9th Canadian Conference on Earthquake Engineering, Ottowa, 2007.

 

B18) Kuran, F., C. Demir, O. Koroglu, C. Kocaman and A. Ilki, "Seismic Safety Analysis of an Existing 1502 Type  Disaster Building Using New Version of Turkish Seismic Design Code," ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Crete, 2007.

 

B17) Ilki, A., D. Akgun, R.O. Goray, C. Demir, N. Kumbasar, "Seismic Strengthening of Low Strength Concrete Columns by External Confinement using Prefabricated SFRCC Panels," 19th Australasian Conference on the Mechanics of Structures and Materials, Canterbury, 2006.

 

B16) Ilki, A., I. Bedirhanoglu, I.H. Basegmez, C. Demir, N. Kumbasar, "Shear Retrofit of Low Strength Reinforced Concrete Short Columns with GFRP Composites," 3rd International Conference on Composites in Civil Engineering (CICE2006), Miami, 2006.

 

B15) Ilki, A., M. Ispir, C. Demir, N. Kumbasar, S. Akman, "An Outline of the Seismic Behavior of Historical Structures in North Western Anatolia,"  International Conference on Structural Analysis of Historical Constructions (SAHC2006), New Delhi, 2006.

 

B14) İlki, A., İ. Bedirhanoglu, C. Demir, N. Kumbasar, “Prediction of the Behavior of FRP Confined RC Columns under Axial Load and Flexure,” 2nd International fib Congress, Naples, 2006.

 

B13) İlki, A., C. Demir, C. Goksu, N. Kumbasar, “Prefabricated SFRC Panels for Occupant Friendly Seismic Retrofit of Reinforced Concrete Columns,” 8th National Conference on Earthquake Engineering, San Francisco, 2006.

 

B12) Goksu, C., C. Demir, K. Darilmaz, A. Ilki, N. Kumbasar, “Static Nonlinear Analysis of a Retrofitted Typical Reinforced Concrete Building in Turkey,” 8th National Conference on Earthquake Engineering, San Francisco, 2006.

 

B11) Erol, G., C. Demir, A. Ilki, E. Yuksel, F. Karadogan, “Effective Strengthening of RC Frames with and without Lap Splice Problems,” 8th National Conference on Earthquake Engineering, San Francisco, 2006.

 

B10) İlki, A., C. Demir, D. Akgün, O. Göray, N. Kumbasar, “Retrofit of Concrete Members with Externally Bonded Prefabricated SFRCC Jackets,” 16th European Conference on Fracture, Greece, 2006.

 

B9) İlki, A., C. Demir, İ. Bedirhanoğlu, N. Kumbasar, “Flexural Behavior of FRP Jacketed Reinforced Concrete Columns,” Proc.Third International Conference on  Composites in Construction, Lyon, 2005.

 

B8) İlki, A., K. Darılmaz, C. Demir, İ. Bedirhanoğlu, N. Kumbasar, “Non-linear Seismic Analysis of a Reinforced Concrete Building with FRP Jacketed Columns,” Proc. fib Symposium Keep Concrete Attractive, Budapest, 2005.

 

B7) Demir, C., A. İlki, N. Kumbasar, “Moment-Curvature Relationships for Columns Jacketed with FRP Composites,” Proc. fib Symposium Keep Concrete Attractive, Budapest, 2005.

 

B6) Yuksel, E., A. İlki, G. Erol, C. Demir, F. Karadoğan, “Seismic Retrofit of Infilled Reinforced Concrete Frames with CFRP Composites,” Nato Workshop on Seismic Assessment and Rehabilitation of Existing Buildings, Istanbul, 2005, (Printed as a book chapter in Advances in Earthquake Engineering for Urban Risk Reduction, eds. T. Wasti and G. Ozcebe, NATO Science Series, 301-316, Springer, Netherlands, 2006).

 

B5) Ilki, A., O. Peker, E. Karamuk, C. Demir, N. Kumbasar, “Axial Behavior of RC Columns Retrofitted with FRP Composites,” Nato Workshop on Seismic Assessment and Rehabilitation of Existing Buildings, Istanbul, 2005, (Printed as a book chapter in Advances in Earthquake Engineering for Urban Risk Reduction, eds. T. Wasti and G. Ozcebe, NATO Science Series, 301-316, Springer, Netherlands, 2006).

 

B4) İlki, A., E. Yılmaz, C. Demir ve N. Kumbasar, “Prefabricated SFRC Jackets for Seismic Retrofit of Non-ductile Rectangular Reinforced Concrete Columns,” Proc. 13th World Conference on Earthquake Engineering, Vancouver, 2004.

 

B3) Boduroğlu, H., P. Özdemir, A. İlki, S. Şirin, C. Demir, F. Baysan, “Towards a Modified Rapid Screening Method for Existing Medium Rise RC Buildings in Turkey,” Proc. 13th World Conference on Earthquake Engineering, Vancouver, 2004.

 

B2) İlki, A., C. Demir ve N. Kumbasar, “Inelastic Behaviour of RC Jacketed Damaged Concrete Sections under Reversed Cyclic Flexure,” Proc. 2nd Int. Conference on Structural Engineering, Mechanics and Computation, Cape Town, 2004.

 

B1) İlki, A., C. Demir ve N. Kumbasar, “Effect of Confined Concrete Stress-Strain Model on the Moment-Curvature Relationships of Reinforced Concrete Members,” Proc. 2nd Int. Conference on Structural Engineering, Mechanics and Computation, Cape Town, 2004.

 

 

Proceedings (National)

E9. Demir, C., M. Comert, I. Bedirhanoglu, C. Cosgun, A. Ilki ve N. Kumbasar, “Betonarme Birleşim Bölgelerinin Güçlendirilmesine Yönelik İTÜ Çalışmaları”, Prof.Dr. Zekai Celep için Betonarme Yapılar Semineri (2013).

 

E8. Ilki, A., M. Comert, C. Demir, K. Orakcal ve M. Tapan, “Kentsel Dönüşüm Kapsamında Binaların Bölgesel Risk Dağılımının Belirlenmesi: PERA Yöntemi”, III. Yapı Denetimi Sempozyumu, Diyarbakır, 2013.  (Çağrılı Konuşma).

 

E7. Cosgun, C., M. Comert, C. Demir, ve A. Ilki, “Üç Boyutlu Betonarme Çerçevelerin Düğüm Noktalarının Güçlendirilmesi,” Ulusal Yapı Mekaniği Laboratuvarları Toplantısı, Trabzon, 2013.

 

E6)  Ilki, A., Demir, C. and Comert, M. " Yapısal Güçlendirmede Lifli Polimer Kompozitler", Yedinci Ulusal Deprem Konferansı, 30 Mayıs-3 Haziran 2011, İstanbul.

 

E5)  Demir, C. and Ilki, A. " Taş Yığma Duvarların Yatay Yükler Altında Davranışı", Ulusal Yapı Mekaniği Laboratuvarları Toplantısı - 2011, 14-15 May 2011, Kocaeli, Turkey.

 

E4) İlki, A., E. Yüksel, C. Demir, A. Tezcan, E. Yılmaz, G. Erol, H. Saruhan ve F. Karadoğan, “Dolgu Duvarlı Çerçevelerde Bindirme Boyu Problemi ve Deneysel bir İnceleme”, Tübitak 2. Yapı Mekaniği Laboratuvarları Toplantısı,  17-20, Konya, 2003.

 

E3) İlki, A., A. Tezcan, E. Yılmaz, C. Demir, V. Koç ve N. Kumbasar, “Kolon Sarılma Bölgelerinin Yön Değiştiren Tekrarlı Eğilme Etkileri Altında İncelenmesi ve CFRP ile Güçlendirilmesi”, 2. Yapı Mekaniği Laboratuvarları Toplantısı,  11-15, Konya, 2003.

 

E2) İlki, A., H. Boduroğlu, P. Özdemir, F. Baysan, C. Demir ve S. Şirin, “Mevcut ve Güçlendirilmiş Yapılar için Sismik İndeks Yöntemi ve Yapısal Çözümleme Sonuçlarının Karşılaştırılması”, 5. Ulusal Deprem Mühendisliği Konferansı,  CD-ROM, Bildiri No: AT-119, İstanbul, 2003.

 

E1) İlki, A., C. Demir, V. Koç, B. Turgut ve N. Kumbasar, “Mantolanmış Hasarlı Betonarme Elemanların Davranışı”, 5. Ulusal Deprem Mühendisliği Konferansı,  CD-ROM, Bildiri No: AT-058, İstanbul, 2003.

 

 

Book Chapters

C4) Al-Gohi, B.H., C. Demir, A. Ilki, M.H. Baluch, and M.K. Rahman, “Assessing Seismic Vulnerability of Unreinforced Masonry Walls Using Elasto-plastic Damage Model,” in Seismic Evaluation and Rehabilitation of Structures, ed. A. Ilki and M.N. Fardis, Springer, 2014.

 

C3) Ilki, A., M. Baluch, and C. Demir (editors), Turkish-Saudi Workshop on Structural and Earthquake Engineering, 2010.

 

C2) Yuksel, E., A. Ilki, A., G. Erol, C. Demir and F. Karadogan, "Seismic Retrofit of Infilled Reinforced Concrete Frames with CFRP Composites," in Advances in Earthquake Engineering for Urban Risk Reduction, eds. T. Wasti and G. Ozcebe, NATO Science Series, 285-300, Springer, Netherlands, 2006.

 

C1) Ilki, A., O. Peker, E. Karamuk, C. Demir, N. Kumbasar, "Axial Behavior of RC Columns Retrofitted with FRP Composites," in Advances in Earthquake Engineering for Urban Risk Reduction, eds. T. Wasti and G. Ozcebe, NATO Science Series, 301-316, Springer, Netherlands, 2006.