Web Page of Baris Erkus

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Baris Erkus, PhD, PE

Board Member
Celik Construction Co.

Contact Information

Celik Construction Co.
Erenkoy Mh. Semsettin Gunaltay Cd. No:147
34738 Kadıkoy, Istanbul
Turkey

Tel: +90 (216) 304-0000
Fax: +90 (216) 360-4896

Research Interests

Passive Dampers and Seismic Base Isolation (Buildings and Bridges)
Semiactive Control, Smart Dampers and Magnetorheological Dampers (Buildings and Bridges)
Nonlinear Behaviour of Reinforced Concrete Structures, Seismic Damage Identification and Performance Based Design
Seismic and Wind Design of Tall Buildings, Wind Comfort Criteria and Damper Design
Random Vibrations and Stochastic Dynamics (Stationary - Nonstationary and Linear Nonlinear)
Linear Matrix Inequalities (LMI), Dynamical Systems and Dissipative Systems
LQR, LQG, H₂, H_∞ and Robust Control

Education

Ph.D., Civil Engineering, University of Southern California, 2006
M.S., Civil Engineering, Middle East Technical University, 1999
B.S., Civil Engineering, Middle East Technical University, 1997

Experience

Board Member, 2020-cont., Çelik Construction
Assistant Professor, 2012-2020, Dept. of Civil Eng., Istanbul Technical University
Engineer, 2006-2012, Arup, Los Angeles & Hong Kong
Adjunct Professor, 2008-2009, Dept. of Civil Eng., California State Polytechnic University, Pomona
Engineer, 2005-2006, Southern California Edison
Research & Teaching Assistant, 2001-2005, Dept. of Civil and Env. Eng., University of Southern California
Researcher, 1999-2001, Dept. of Civil Eng., The University of Tokyo
Research & Teaching Assistant, 1997-1999, Dept. of Civil Eng., Middle East Technical University

Thesis

Erkus, B. (1999) "Utilization of Artificial Neural Networks in Building Damage Prediction." Master of Science Thesis, Civil Eng. Dept., METU, Ankara, supervised by Prof. Dr. Polat Gulkan. [Thesis PDF]
Erkus, B. (2006) "Dissipativity and Performance Analysis of Semiactive Systems with Smart Dampers." Ph. D. Thesis, Civil Eng. Dept., Univ. of Southern California, Los Angeles, California, supervised by Prof. Dr. Erik A. Johnson. [Thesis PDF] [Presentation PDF]

Journal Papers

Erkus, B., Abe M., and Fujino Y. (2002) "Investigation of semi-active control for seismic protection of elevated highway bridges." Engineering Structures, 24(3), 281-293. [PDF]
Erkus, B., and Johnson, E. A. (2006) "Smart base-isolated benchmark problem Part III: A sample controller for bilinear isolation." Journal of Structural Control and Health Monitoring, 13(2-3), 605-625. [PDF] [Link to Matlab Files]
Johnson, E. A., and Erkus, B. (2007) "Dissipativity and performance analysis of semiactive systems with smart dampers via LMI synthesis." Journal of Structural Control and Health Monitoring, 4(3), 471-496. [PDF]
Erkus, B., and Johnson, E. A.(2011) "Dissipativity analysis of the base isolated benchmark structure with magnetorheological fluid dampers." Smart Materials and Structures, 20(10), DOI: 10.1088/0964-1726/20/10/105001. [PDF]

Selected Conference Papers

Abe M., Erkus, B., and Fujino Y., Park, K-S. (2000) "Applicability of semi-active control for seismic protection of bridges." Proceedings of the International Conference on Advances in Structural Dynamics, Hong Kong, China, December 13-15, 311-318.
Johnson, E. A., and Erkus, B. (2002) "Structural control with dissipative damping devices." Proceedings of the American Control Conference, New York, New York, 2463-2468.
Johnson, E. A., and Erkus, B. (2002) "Structural vibration mitigation using dissipative smart damping devices." CD-ROM Proceedings of the 15th ASCE Engineering Mechanics Conference, Anchorage, Alaska, June 2-5.
Erkus, B., and Johnson, E. A. (2002) "Benchmark base isolated building with controlled bilinear isolation." CD-ROM Proceedings of the 16th ASCE Engineering Mechanics Conference, Seattle, Washington, July 16-18.
Erkus, B. (2004) "Comparison of the techniques used in the Newmark analysis of nonlinear structures." CD-ROM Proceedings of the 17th ASCE Engineering Mechanics Conference, Newark, Delaware, June 13-16. [PDF]
Johnson E. A., and Erkus, B. (2005) "Investigation of dissipativity for control of smart dampers via LMI synthesis." Proceedings of American Control Conference, Portland, Oregon, June 8-10.
Erkus, B., and Johnson, E. A. (2006) "Investigation of dissipativity for semiactive control of the base isolated benchmark building with MR dampers." CD-ROM Proceedings of the 10th International Conference on Electrorheological fluids and Magnetorheological Suspensions, Lake Tahoe, Nevada, June 18-22.
Erkus, B., and Johnson, E. A. (2006) "Investigation of dissipativity for semiactive control of the base isolated benchmark building with MR dampers." Proc. of the 4th World Conference on Structural Control and Health Monitoring, San Diego, California, July 11-13.
Zekioglu, A., Darama, H., and Erkus, B. (2009) "Performance-based seismic design of a large structure seismically isolated structure: Istanbul Sabiha Gokcen International Airport terminal building." Proc. of the SEAOC 2009 Convention, San Diego, California, September 23-26. [PDF]
Zekioglu, A., Darama, H., and Erkus, B. (2010) "Design considerations for a base isolated structure with triple friction pendulum isolators: Istanbul Sabiha Gokcen International Airport terminal building." Proc. of the 9th United States National and 10th Canadian Conference on Earthquake Engineering, Toronto, Canada, July 25-29.
Tozan, S., Güler, K., and Erkus, B. (2013) "Wind Comfort Assessment of a Tall Building According to Various Structural Codes." 2. Conference on Smart Monitoring, Assesment and Rehabilitation of Structures , Istanbul, Turkey, September 9-11. [PDF]
Yildirim, S., Asik, G., Erkus, B., and Tonguc, Y. I. (2013) "Comparison of Seismic Retroﬁt with Dampers and Conventional Methods." 2. Turkish Earthquake and Seismology Conference, Hatay, Turkey, September 25-27 (in Turkish). [PDF]
Ayazoglu, R., and Erkus, B. (2015) "Investigation of Equivalent Frame Methods for Tall Building Analysis." 8. National Conference on Earthquake Engineering, Istanbul, Turkey, May 11-14 (in Turkish). [PDF]
Erdemli, M. E., and Erkus, B. (2015) "Investigation of Equivalent Damping Methods for Tall Buildings with Damper Coupled Shear Walls." 8. National Conference on Earthquake Engineering, Istanbul, Turkey, May 11-14 (in Turkish). [PDF]
Yildirim, S., Kalyoncuoglu, A., Erkus, B., and Tonguc, Y. I. (2015) "Application of Seismic Retroﬁt of Precast Reinforced Concrete Structure Using Dampers." 3. Turkish Earthquake and Seismology Conference, Izmir, Turkey, October 14-16 (in Turkish). [PDF]
Yildirim, S., Kalyoncuoglu, A., Erkus, B., and Tonguc, Y. I. (2015) "Seismic Retrofit of Industrial Precast Concrete Structures Using Friction Dampers: Case Study from Turkey." 2nd ATC-SEI Conference on Improving the Seismic Performance of Existing Buildings and Other Structures, San Francisco, California, December 10-12. [PDF]
Ozcan, A. I., ve Erkus, B. (2016) "Parametric Investigation of Shear Behavior of Reinforced Concrete Shear Walls in Tall Buildings." Prof. Dr. Hasan Boduroglu Symposium, Istanbul, May 12-13. [PDF]
Atasever, K., Aydogdu, H. H., and Erkus, B. (2017) "Comparison of Ground Motion Scaling Methods for Seismic Isolation Structures." 4th International Conference on Earthquake Engineering and Seismology, Eskisehir, October 11-13. [PDF]
Erkus, B., Kasapoglu B., and Yildiz, F. (2017) "Parallelization of Constitutive Functions in the Nonlinear Seismic Analysis of Structures." 4th International Conference on Earthquake Engineering and Seismology, Eskisehir, October 11-13. [PDF]
Erkus, B., Kasapoglu B., and Guler M. D. (2017) "Investigation of Equivalent Lateral Force Procedure for Base-Isolated Data Center-Type Structures." 4th International Conference on Earthquake Engineering and Seismology, Eskisehir, October 11-13. [PDF]
Guler M. D., Yilmaz C., and Erkus, B. (2017) "Behavior of Independent Structure Blocks with Common Seismic Isolation Plane." 4th International Conference on Earthquake Engineering and Seismology, Eskisehir, October 11-13. [PDF]
Arslan, Y., Ozgeldi A. C., Gundogdu, Y. Z., and Erkus, B. (2017) "Seismic Isolation Design of a Data Center Structure." 4th International Conference on Earthquake Engineering and Seismology, Eskisehir, October 11-13. [PDF]
Temur, E., Pınar, O. G., Erkus, B., ve Cağlayan, B. O. (2017) "Development of Structural Health Monitoring System of Golden Horn Bridge." Turkish Chamber of Civil Engineers, 7. Steel Structures Symposium with International Attendance., Gaziantep, October, 26-28. [PDF]
Erkus, B., Polat, S.S., and Darama, H. (2018) "Seismic Design of Data Centers for Tier III and Tier IV Resilience: Basis of Design." 11th U.S. National Conference on Earthquake Engineering, Los Angeles, California, June 25-29. [PDF]
Erkus, B., Polat, S.S., and Darama, H. (2018) "Seismic Design of Data Centers for Tier III and Tier IV Resilience: Project Examples." 11th U.S. National Conference on Earthquake Engineering, Los Angeles, California, June 25-29. [PDF]
Bekin, M., ve Erkus, B. (2019) "Parametric Investigation of Two Seismically Base-Isolated Structures with Common Isolation Plane." 5. International Conference on Earthquake Engineering and Seismology, Ankara, Turkey, October 8-11. [PDF]
Cicek, K., ve Erkus, B. (2019) "Damping Reduction Factors for Maximum Rotated Spectra for Analysis of Base-Isolated Structures." 5. International Conference on Earthquake Engineering and Seismology, Ankara, Turkey, October 8-11. [PDF]
Ergul, C., ve Erkus, B. (2019) "Comparison of OpenSees and SeismoStruct Programs for Nonlinear Seismic Analysis of Structures." 5. International Conference on Earthquake Engineering and Seismology, Ankara, Turkey, October 8-11. [PDF]
Temur, E., ve Erkus, B. (2019) "Seismic Performance Assessment of Golden Horn Metro Bridge through Structural Health Monitoring System." 5. International Conference on Earthquake Engineering and Seismology, Ankara, Turkey, October 8-11. [PDF]
Yildirim, S., Guler, M. D., Ozer, C., Sutcu, F., Alhan, C., ve Erkus, B. (2019) "Seismic Design of Structures with Dampers, Part I: Review of International Standards." 5. International Conference on Earthquake Engineering and Seismology, Ankara, Turkey, October 8-11. [PDF]
Erkus, B., Yıldırım, S., Guler, M. D., Ozer, C., Sutçu, F., ve Alhan, C. (2019) "Seismic Design of Structures with Dampers, Part II: A Proposal for Design Basis for Applications in Turkey." 5. International Conference on Earthquake Engineering and Seismology, Ankara, Turkey, October 8-11. [PDF]
Asık, N. G., Mahdavi, A., Yildirim, S., Erkus, B., Tonguc, Y. I. (2019) "Seismic Retrofit of an Industrial Building with Operational Continuity using Dampers." 5. International Conference on Earthquake Engineering and Seismology, Ankara, Turkey, October 8-11. [PDF]
Yildirim, S., Mahdavi, A., Ilki, A., Erkus, B., ve Tonguc, Y.I. (2021) "Protection of a 550-Year Old Historical Mosque against Waterflood and Seismic Risks." 9. Turkish Conference on Earthquake Engineering, Online, June 2-3. [PDF]

M.S. Students

Ramazan Ayazoğlu, Design of Tall Buildings with Reinforced Concrete Shear Walls Coupled with Friction Dampers, January 2015. [Thesis PDF] [Presentation PDF]
M. Emre Erdemli, Investigation of Equivalent Damping for Tall Buildings with Reinforced Concrete Shear Walls Coupled with Dampers, January 2015. [Thesis PDF] [Presentation PDF]
Ali İ. Özcan, A Parametric Study on the Shear Behaviour of Reinforced Concrete Shear Walls of Tall Buildings, April 2015. [Thesis PDF] [Presentation PDF]
İbrahim Gencer, Comparison of Commercial Analysis Programs Used for Non-Linear Analysis of Frame Systems, December 2015. [Thesis PDF] [Presentation PDF]
Barış Kasapoğlu, Applicability of Python and Julia Languages to Nonlinear Seismic Analysis of Structures and Parallel Programing, August 2017. [Thesis PDF] [Presentation PDF]
Fatih Yıldız, Applicability of MATLAB Language to Parallel Programming for Nonlinear Seismic Analysis of Structures, August 2017. [Thesis PDF] [Presentation PDF]
Mücahit Bekin, Comprehensive Parametric Investigation of Two Base Isolated Structures with Common Isolation Plane, June 2018. [Thesis PDF] [Presentation PDF]
Ş. Ceyda Ergül, Comparison of OpenSees and SeismoStruct Programs for Nonlinear Seismic Analysis of Structures, December 2018. [Thesis PDF] [Presentation PDF]
Eray Temur, Evaluation of Seismic Health Monitoring System of Golden Horn Bridge, July 2019. [Thesis PDF] [Presentation PDF]
Serap Atmaca, Investigation of Structures with Different Structural Systems in Vertical Direction under Seismic Loads, September 2019. [Thesis PDF] [Presentation PDF]
Hakan Özen, Investigation Of Nonlinear Column-Beam Fiber Element Model, September 2019. [Thesis PDF] [Presentation PDF]
Halil Saylan, Nonlinear Modelling Of Link Beams of Eccentrically Braced Frames, October 2019. [Thesis PDF] [Presentation PDF]
Kubilay Çiçek, Resillience Evaluation of Structures using ATC-58.
Ömer Galip Pınar, Development of Nonlinear Analysis Model of Golden Horn Bridge.

Undergraduate Students

Ahmet Gündüz, Bora Saman, Serkan Tutkaç, Design of a Storage Building with Reinforced Concrete and Steel Elements. July 2017. [Thesis PDF] [Presentation PDF]

Misc Reports and Presentations

Erkus, B. (2003) "A Report on Nonstationary Response of Nonlinear MDOF Systems using Equivalent Linearization and Compact Analytical Model of the Excitation Process." University of Southern California CE790 Directed Research, Los Angeles, California. [PDF]
Erkus, B., and Lee, Y. J. (2004) "Linear Matrix Inequalities and MATLAB LMI Toolbox." University of Southern California Group Meeting Report, Los Angeles, California. [PDF]
Erkus, B. (2007) "Practical Considerations in Human Induced Vibration." Arup, Los Angeles (internal design document). [PDF]
Erkus, B. (2009) "Modeling of Ribbed Slabs for Footfall Vibration Analysis." Arup, Los Angeles (internal design document). [PDF]
Erkus, B. (2011) "Analysis and Design for Orthogonal Effects and Multi-Directional Seismic Ground Motion." SEAOSC Macro Seminar, Long Beach, California, January 29. [PDF]
Erkus, B. (2012) "Preliminary Design of Supplemental Energy Dissipation Devices." Arup, DTF East Asia, Research Report, Project No: 6689, Hong Kong, 19 October 2012 (confidential report).
Erkus, B. (2016-2017) "Structural Dynamics - Multi Degree of Freedom Systems." Training on Performance-Based Design and Seismic Isolation, GTU. [Presentations, Excel Files, SAP Models]
Guler, M. D., ve Erkus, B. (2016-2017) "Seismic Isolation." Training on Performance-Based Design and Seismic Isolation, GTU. [Presentations]
Erkus, B. (2016-2017) "Tall Buildings." Training on Performance-Based Design and Seismic Isolation, GTU. [Presentations]
Erkus, B. (2019) "Newmark's Beta Method." Structural Dynamics Workshop, IATE, September 9-16. [Presentation PDF, Document PDF]
Erkus, B. (2019) "Estimation of Damping using Logarithmic Decrement Method." Structural Dynamics Workshop, IATI, September 9-16. [Presentation PDF, Document PDF]
Erkus, B. ve Yazgan, U. (2021) "Assesment of Seismic Safety and Suitability to Seismic Retrofit of the İzmir Metropolitan Municipality Main Service Building in the Light of Previous Studies and Observations after the 30.10.2020 Earthquake." Technical Report, Disaster Management Institute, ITU, August. [PDF], [ İzmir Metropolitan Municipality News]
Erkuş, B. (ed.) (2019) "ASCE 7-10, Chapter 18: Seismic Design Requirements for Structures with Damping Systems (Turkish Translation)." Published Online, September. [PDF]