Our Scientific Publications

Our experts actively engage in research and development and has published more than 100 technical papers in various leading engineering publications and conferences globally over the past 10 years; especially in the fields of seismic design, retrofitting technologies and base isolation.

A selected number of our publications are listed below. Please feel free to contact us for any questions or ideas on these studies.

Special Session: Sensitivity of Design Spectrum on Near-Fault Directivity Effects

The 15th World Conference on Earthquake Engineering
September 24-28, 2012, Lisbon, Portugal

S. Akkar1, A. Ozmen2 and O.B. Şadan2

1Earthquake Engineering Research Center, Middle East Technical University, Ankara, Turkey
2Prota Inc., Ankara, Turkey 

Pushover Analysis For Performance Based-Seismic Design of RC Frames With Shearwalls

The 15th World Conference on Earthquake Engineering
September 24-28, 2012, Lisbon, Portugal

Y. Fahjan1, B. Doran2, B. Akbas1, J. Kubin3

1Gebze Institute of Technology, Istanbul, Turkey
2Yıldız Technical University, Istanbul, Turkey 
3Prota Inc., Istanbul, Turkey

Poster:

[4059] Pushover Analysis For Performance Based-Seismic Design of RC Frames With Shearwalls

Seismic Isolated Hospital Design Practice in Turkey: Erzurum Medical Campus

The 15th World Conference on Earthquake Engineering
September 24-28, 2012, Lisbon, Portugal

J. Kubin1, D. Kubin1, A. Özmen1, O.B. Şadan1, E. Eroğlu1
H. Sucuoglu2, S. Akkar2

1Prota Inc., Ankara, Turkey
2Middle East Technical University, Ankara, Turkey 

Seismic Reftrofit of an Existing Multi-Block Hospital by Seismic Isolators

The 15th World Conference on Earthquake Engineering
September 24-28, 2012, Lisbon, Portugal

J. Kubin1, D. Kubin1, A. Özmen1, O.B. Şadan1, E. Eroğlu1
H. Sucuoglu2

1Prota Inc., Ankara, Turkey
2Middle East Technical University, Ankara, Turkey 

Special Session: Sensitivity of Design Spectrum on Near-Fault Directivity Effects

The 15th World Conference on Earthquake Engineering
September 24-28, 2012, Lisbon, Portugal

H. Sucuoglu1 and A. Yakut1
J. Kubin2 and A. Özmen2

1Middle East Technical University, Ankara, Turkey 
2Prota Inc., Ankara, Turkey

Seismic Assessment of Monastery of Stoudios (Imrahor Mosque) in İstanbul

Advanced Materials Research Vols. 133-134 (2010) pp 721-726
© (2010) Trans Tech Publications, Switzerland
doi:10.4028/www.scientific.net/AMR.133-134.721

Küçükdoğan Bilge 1,a, Kubin Joseph 2,b and Ünay Ali İhsan 3,c

1 Prota Engineering Ltd., Ankara, Turkey
2 Middle East Technical University, Ankara, Turkey
3 Istanbul Project Coordination Unit

Nonlinear Analysis Methods for Reinforced Concrete Buildings with Shearwalls

The 14th European Conference on Earthquake Engineering
August 30 - September 03, 2011, Ohrid, Macedonia

Fahjan Y.M. 1, Kubin Joseph 2, Tan Mustafa T. 2

1Gebze Institute of Technology, 41400 Gebze, Kocaeli, Turkey
2Prota Engineering Ltd., METU Technopolis, Ankara, Turkey

Poster:

Nonlinear Analysis Methods for Reinforced Concrete Buildings with Shearwalls

Assessment of Buildings in Turkey for Earthquake: Is there another way?

2009 WCEE-ECCE-TCCE Joint Conference

Jury Robert1, Özmen Aydan2, Akdoğan M. Emin3, Liu Angela 1

1Beca International Consultants, Wellington, New Zealand
2Prota Engineering Design and Consultancy
3İstanbul Project Coordination Unit (IPCU)

Seismic Assessment Of the Architectural Heritage in the Fatih District of İstanbul

The 14th World Conference on Earthquake Engineering
October 12-17, 2008, Beijing, China

P. Gülkan1, Z. Ahunbay 2, Z. Celep2, A. Yakut1, K. Güler2, D. Mazlum2, J.Kubin3, D. Kubin3, M.A. Sozen4, A. Irfanoğlu4 and E. Eroğlu3

1Middle East Technical University, Ankara, Turkey
2İstanbul Technical University, İstanbul, Turkey
3Prota Engineering Consultancy, Co. Ltd., Ankara, Turkey
4Purdue University, W. Lafayette, IN, USA

Scaling of Earthquake Accelerograms for Non-linear Dynamic Analyses to Match The Earthquake Design Spectra

The 14th World Conference on Earthquake Engineering
October 12-17, 2008, Beijing, China

Y. Fahjan1 and Z. Ozdemir2

1Gebze Institute of Technology, Kocaeli, Turkey
2BogaziciUniversity, Istanbul, Turkey

Comparison Of Practical Approaches for Modelling Shearwalls in Structural Analyses of Buildings

The 14th World Conference on Earthquake Engineering
October 12-17, 2008, Beijing, China

Kubin Joseph1, Fahjan Y. M. 2 and TAN Mustafa T. 3

1Prota Engineering Ltd., Ankara, Turkey
2 Gebze Institute of Technology, Kocaeli, Turkey
3Prota Engineering Co. Ltd., Ankara, Turkey

An Alternative Procedure For Accidental Eccentricity in Dynamic Modal Analyses of Buildings

First European Conference on Earthquake Engineering and Seismology
A joint event of the 13th ECEE & 30th General Assembly of the ESC
Geneva, Switzerland, 3-8 September 2006
Paper Number: 1166

Yasin M. Fahjan1, Cüneyt Tüzün2 and Joseph Kubin3

1Department of Earthquake and Structural Science, Gebze Institute of Technology, 41400 Gebze, Kocaeli, Turkey
2Kandilli Observatory and Earthquake Research Institute, Boğaziçi University, 34684, Çengelköy, İstanbul, Turkey
3 Prota Engineering Co. Ltd., Ankara, Turkey

Residential Retrofitting in İstanbul - Realities in Bakırköy

“8. Ulusal Deprem Mühendisliği Konferansı”
San Fransisco Moscone Center
18–21 Nisan 2006, San Fransisco

D.C. Hopkins 1, R.D. Sharpe 2, H. Sucuoğlu 3, D. Kubin 4 and P. Gülkan 2

1Project Manager, Beca International Consultants Ltd, Wellington, New Zealand.
2Director, Beca International Consultants Ltd, Wellington, New Zealand
3Professor of Civil Engineering, Middle East Technical University, Ankara, Turkey
4Managing Director, Prota Muhendislik, Consulting Engineers, Ankara, Turkey

Seismic Risk Assessment of Existing Building Stock in İstanbul - A Pilot Application in Zeytinburnu District

“8. Ulusal Deprem Mühendisliği Konferansı”
San Fransisco Moscone Center
18–21 Nisan 2006, San Fransisco

Güney Özcebe 1, Haluk sucuoğlu1, M. Semih Yücemen1, Ahmet Yakut1 and Joseph Kubin2

1Middle East Technical University, Department of Civil Engineering, 06531, Ankara, Turkey
2Prota Software Ltd., METU Technopolis, 06531, Ankara, Turkey

Developing Retrofit Solutions for the Residential Building Stocks in İstanbul

“8. Ulusal Deprem Mühendisliği Konferansı”
San Fransisco Moscone Center
18–21 Nisan 2006, San Fransisco

H. Sucuoğlu1, R. Jury2, A. Ozmen3, D. Hopkins2, G.Ozcebe1 and J. Kubin3

1Professor, Dept. of Civil Engineering, Middle East Technical University, Ankara 06531, Turkey
2BECA International Consultants Ltd., Wellington, New Zealand
3Prota Consultants Ltd., Ankara, Turkey

Seismic Performance Enhancement of an Existing Reinforced Concrete Building Using In-Frame Damping Devices

International Conference on Earthquake Engineering and Seismology
May 12-16, 2015

Joseph Kubin, Danyal Kubin, Ümit Kaçmaz, Umair A. Siddiqui
Structural Engineer (MSc.), PROTA Engineers and Consultants Inc., Ankara – Turkey

Yasin Fahjan
Assoc. Professor (PhD.), Gebze Technical University, Istanbul – Turkey

Hakan Hakalmaz, Mustafa Şencan
Structural Engineer (MSc.), Turk Telecom Group, Ankara – Turkey