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Erol Kalkan

Res. Civil Engineer

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Short Biography

Dr. Erol Kalkan is a research structural engineer and project manager at the Earthquake Science Center of United States Geological Survey. He earned his B.Sc. degree in Civil Engineering and M.Sc. degree in Engineering Seismology from the Middle East Technical University.  His second M.Sc. degree in Structural Engineering is from the Bosporus (Bogazici) University in Turkey.  His doctorate degree in Structural Engineering (major) and in Geotechnical Engineering (minor) is from the University of California, Davis. His postdoctoral studies were at the University of California, Berkeley.

He is the author and co-author of more than 100 peer-reviewed publications on various issues in structural engineering and engineering seismology. He is an active member of Pacific Earthquake Engineering Research Center (PEER) – Ground Motion Selection and Modification Research Committee, American Society of Civil Engineers (ASCE) – Seismic Effects Committee, and Structural Health Monitoring and Control Committee

Dr. Kalkan is the recipient of the “2008 American Society of Civil Engineers Raymond C. Reese Research Prize in Structural Engineering”.  He has been also granted “2008 EERI-FEMA NEHRP Professional Fellowship in Earthquake Hazard Reduction”

Dr. Kalkan has served as a guest editor of four special journal issues in the international journal of Engineering Structures, ASCE Journal of Structural Engineering, and Seismological Research Letters.  He is currently acting as an associate editor for Earthquake Spectra, ASCE Journal of Structural Engineering, Engineering Structures, and Seismological Research Letters.

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LIST OF PUBLICATIONS

2001

A1.    Kalkan, E. Attenuation Relationship Based on Strong Motion Data Recorded in Turkey, M.Sc. Thesis, Middle East Technical University, Ankara, 2001.

A2.    Kalkan, E. Seismic Evaluation of an Existing Multi Storey Reinforced Concrete Building, M.Sc. Thesis, Bosporus University, Istanbul, 2001.

2002

A3.    Gülkan, P. and Kalkan, E. “Attenuation Modeling of Recent Earthquakes in Turkey”, Journal of Seismology: 6(3), 397-409, 2002.

A4.    Balkaya, C. and Kalkan, E. “Performance Based Seismic Evaluation of Shear-wall Dominant Building Structures“, Proc. of the Fifth International Congress on Advances in Civil Engineering: Istanbul, Turkey, Sept. 25-27, 2002.

A5.    Gülkan, P. and Kalkan, E. “Attenuation Characteristics of Turkey Based on Recent Strong Motion Data”, Proc. of the Fifth International Congress on Advances in Civil Engineering  (Keynote Paper), Istanbul, Turkey, Sept. 25-27, 2002.

A6.    Balkaya, C. and Kalkan, E. “Behavior of Tunnel Form Building Structures Subjected to Earthquake Forces”, Proc. of the International Earthquake and Structural Engineering Symposium: Middle East Technical University, Ankara, Turkey, Oct. 14, 2002.

2003

A7.    Balkaya, C. and Kalkan, E. “Nonlinear Seismic Response Evaluation of Tunnel Form Building Structures“, Computers & Structures, 81,153-165, Feb. 2003.

A8.    Kalkan, E. “Computer-Aided Strengthening of Steel and Reinforced Concrete Telecommunication Poles”, Proc. of the Pacific Conference on Earthquake Engineering: Christchurch, New Zealand, Feb. 13-15, 2003.

A9.    Balkaya, C. and Kalkan, E. “Seismic Design Parameters of Shear-wall Dominant Building Structures”, Proc. of the 14th Mexican National Conference on Earthquake Engineering, 2003.

A10.    Gülkan, P. and Kalkan, E. “Parametric Estimation of Ground Motion Attenuation of Turkish Earthquakes”, Proc. of the International Conference on Advances and New Challenges in Earthquake Engineering Research (ICANCEER): August 15-20, 2002, Harbin and Hong Kong, China: Hong Kong Volume, Organizing Committee of the International Conference at the Hong Kong Polytechnic University, Hong Kong, pp. 33-49. 2003.

A11.    Gülkan, P. and Kalkan, E. “Site-Dependent Spectra Derived from Ground Motion Records in Turkey”, Proc. of the Fib Symposium: Concrete Structures in Seismic Regions: Athens, Greece, May 6-9, 2003.

A12.    Balkaya, C. and Kalkan, E. “Estimation of Fundamental Periods of Shear-Wall Dominant Building Structures“, Earthquake Engineering and Structural Dynamics: 32, (7), 985-998, June 2003.

A13.    Balkaya, C. and Kalkan, E. “Performance Based Seismic Evaluation of Shear-wall Dominant Building Structures“, Bulletin of the Istanbul Technical University: 53, (2), 65-72, Sept. 2003.

2004

A14.    Kalkan, E. and Kunnath, S.K. “Lateral Load Distribution in Nonlinear Static Procedures for Seismic Design”, Proc. of the American Society of Civil Engineers, Structures Congress: Nashville, TN, May 22-26, 2004.

A15.    Kalkan, E. and Kunnath, S.K. “Method of Modal Combinations for Pushover Analysis of Buildings”, Proc. of the 13th World Conference on Earthquake Engineering: Vancouver, BC, Canada, Aug.1-6, 2004.

A16.    Balkaya, C. and Kalkan, E. “Relevance of R-factor and Fundamental Period for Seismic Design of Tunnel Form Building Structures”, Proc. of the 13th World Conference on Earthquake Engineering: Vancouver, BC, Canada, Aug.1-6, 2004.

A17.    Balkaya, C. and Kalkan, E. “A Simple Formula to Predict Fundamental Period of Tunnel Form Buildings”, Proc. of the 6th International Congress on Advances in Civil Engineering: Istanbul, Turkey, Sept. 25-27, 2004.

A18.    Balkaya, C. and Kalkan, E. “Effects of Coupled Shear Walls Openings on the Nonlinear Behavior of RC Building Structures”, Proc. of the International Conference on Structural Engineering and Mechanics, Cape Town, South Africa, 2004.

A19.    Pamuk, A., Ling, H.I., Leshchinsky, D., Kalkan, E. and Adalier, K. “Behavior of Reinforced Wall System during the 1999 Kocaeli (Izmit), Turkey Earthquake”, Proc. of the 5th Int. Conf. on Case Histories in Geotechnical Engineering: New York, NY, April 13-17, 2004.

A20.    Kalkan, E., Adalier, K. and Pamuk, A. “Near Field Effects and Engineering Implications of Recent Earthquakes in Turkey”, Proc. of the 5th International Conference on Case histories in Geotechnical Engineering: New York, NY, April 13-17, 2004.

A21.    Pamuk, A., Kalkan, E. and Ling, H.I. “Structural and Geotechnical Impacts of Surface Rupture on Highway Structures”, Proc. of the 11th International Conference on Soil Dynamics & Earthquake Engineering: University of California, Berkeley, CA, Jan. 7-9, 2004.

A22.    Kalkan, E. and Gülkan, P. “Empirical Attenuation Equations for Vertical Ground Motion in Turkey”, Earthquake Spectra, 20, (3), 853-882, Aug. 2004.

A23.    Balkaya, C. and Kalkan E. “Three-Dimensional Effects on Openings of Laterally Loaded Pierced Shear Walls”, ASCE Journal of Structural Engineering: 130, (10), 1506-1514, Oct. 2004.

A24.    Kalkan, E. and Gülkan P. “Site-Dependent Spectra Derived from Ground Motion Records in Turkey”, Earthquake Spectra: 20, (4), 1111-1138, November 2004.

A25.    Kalkan, E. and Laefer, D.F. “Seismic Based Strengthening of Steel and RC Telecommunication Poles based on FEM Analysis”, Engineering Structures: 26, (14), 2101-2111, Dec. 2004.

A26.    Balkaya, C. and Kalkan, E. “Seismic Vulnerability, Behavior and Design of Tunnel Form Buildings”, Engineering Structures: 26, (14), pp. 2081-2099, Dec. 2004.

A27.    Kunnath, S.K. and Kalkan, E. “Evaluation of Nonlinear Static Procedures for Different Seismic Source Characteristics”, Proc. of the Earthquake Engineering in the Past and Future Fifty Years, Harbin, China, August 19-21, 2004.

A28.    Kunnath, S.K. and Kalkan, E. “Evaluation of Seismic Deformation Demands Using Nonlinear Procedures in Multistory Steel and Concrete Moment Frames”, ISET, Journal of Earthquake Technology (Invited paper for the special issue on Performance Based Design; Guest editor: N.J. Priestley): 41, (1), 159-181, 2004.

A29.    Gülkan, P. and Kalkan, E. “Attenuation Characteristics of Turkey Based on Recent Strong Ground Data”, Bulletin of the Istanbul Technical University: 54, (2), 2004.

2005

A30.    Kunnath, S.K. and Kalkan, E. “IDA Capacity Curves: The Need for Alternative Intensity Factors”, Proc. of the American Society of Civil Engineers, Structures Congress: New York, NY, April 20-24, 2005.

A31.    Kalkan, E. and Gülkan P. “Discussion of the paper ‘An attenuation relationship based on Turkish strong motion data and iso-acceleration map of Turkey’ by Ulusay et al.” Engineering Geology: 79, (3-4), 288-290, July 2005.

A32.    Pamuk, A., Kalkan, E. and Ling, H.L. “Structural and Geotechnical Impacts of Surface Rupture on Highway Structures”, Soil Dynamics and Earthquake Engineering: 25, (7-10), 581-589, Aug-Oct. 2005.

A33.    Gülkan P. and Kalkan, E. “Discussion of the paper ‘An empirical attenuation relationship for Northwestern Turkey ground motion using a random effects approach’ by Ozbey et al.”, Soil Dynamics and Earthquake Engineering: 25, (11), 889-891, Dec. 2005.

2006

A34.    Kalkan, E. Predicting Seismic Demands of Building Structures, Ph. D. Dissertation, University of California, Davis, 2006.

A35.    Kalkan, E. and Kunnath, S.K. “Adaptive Modal Combination Procedure for Predicting Seismic Response of Vertically Irregular Structural Systems”, Proc. of the Eight National Earthquake Engineering Conference: Paper No. 700, San Francisco, April 18 - 22, 2006.

A36.    Kalkan E. and Kunnath S.K. “Adaptive Modal Combination Procedure for Nonlinear Static Analysis of Building Structures”, ASCE Journal of Structural Engineering, 132, (11), 1721-1732, Nov. 2006. (AWARD WINNING PAPER)

A37.    Laefer, D.F. Carr, H. Moorish, S. and Kalkan, E. “Opportunities and Impediments to the Use of Three-dimensional Laser Scanning for Integrated Monitoring of Adjacent Excavations”, Proc. of the ASCE/GEO 2006 Congress: Atlanta, Georgia, Feb. 26- March 1, 2006.

A38.    Kalkan, E. and Kunnath, S.K. “Effects of Fling-Step and Forward Directivity on the Seismic Response of Buildings”, Earthquake Spectra: 22, (2), 367-390, May 2006.

A39.    Balkaya, C., Kalkan, E. and Yuksel, B. “FE Analysis and Practical Modeling of RC Multi-bin Circular Silos”, ACI Structural Journal: 103, (3), 365-371, 2006.

2007

A40.    Graizer, V. and Kalkan E. “Ground Motion Attenuation Model for Peak Horizontal Acceleration from Shallow Crustal Earthquakes”, Earthquake Spectra, 23, (3), 585-613, 2007.

A41.    Celebi, M. Kalkan, E. and Pezeshk, S. “Rotational Measurements in Structures – Why and How? - Engineers’ Perspective and Experience?”, First International Workshop on Rotational Seismology and Applications, USGS Open-File Report No: 2007-1144, 2007.

A42.    Kalkan, E. and Graizer V. “Coupled Tilt and Translational Ground Motion Response Spectra”, ASCE Journal of Structural Engineering: 133, (5), 609-619, 2007.

A43.    Kalkan, E. and Graizer V. “Multi-Component Ground Motion Response Spectra for Coupled Horizontal, Vertical, Angular Accelerations and Tilt”, ISET, Journal of Earthquake Technology (Invited paper for the special issue on “Response Spectra”; Guest editor: M. Trifunac): March 2007.

A44.    Kalkan, E. and Yuksel, B. “Pros and Cons of RC Tunnel Form (Box-type) Buildings”, The Structural Design of Tall and Special Buildings16, (2), June 2007.

A45.    Kalkan, E. and Kunnath S.K. “Effective Cyclic Energy as a Measure of Seismic Demand”, Journal of Earthquake Engineering: 11, (5), Sept. 2007.

A46.    Kalkan, E. Kunnath, S.K. “Assessment of Current Nonlinear Static Procedures for Seismic Evaluation of Buildings”, Engineering Structures: 29, 305-316, 2007.

A47.    Yuksel, B. and Kalkan, E. “Behavior of Tunnel Form Buildings under Quasi-Static Cyclic Lateral LoadingStructural Engineering and Mechanics: 27, (1), 2007.

2008

A48.    Kalkan, E., Gulkan, P., Ozturk, N.Y., Celebi, M. “Seismic Hazard in the Istanbul Metropolitan Area:  A Preliminary Re-examination”, Journal of Earthquake Engineering: 12, (S2), 151-164, Jan. 2008.

A49.    Kalkan, E. and Kunnath, S.K. “Relevance of Absolute and Relative Energy Content in Seismic Evaluation of Structures”, Advances in Structural Engineering: 11, (1), 17-34, Feb. 2008.

A50.    Yuksel, S.B. and Kalkan, E. “Failure Mechanism of Shear-Wall Dominant Multi-Story Buildings: Experimental and Analytical Study”, Proc. of the Fourth International Conference on High Performance Structures and Materials: Algarve, Portugal, 13-15 May, 2008.

A51.    Goulet, C.A., Watson-Lamprey, J., Baker, J., Haselton, C.B., Stewart, J.P., Abrahamson, N., Bozorgnia, Y., Cornell A. Kalkan, E., Luco, N., Shome, N., Shantz, T., Tothong, P., Yang, T., Zareian, F. “Assessment of Ground Motion Selection and Modification methods for Non-linear Structural Analyses of Building Structures”, Proc. of the ASCE Geotechnical Earthquake Engineering & Soil Dynamics Conference (GEESD IV): Sacramento, May, 2008.

A52.    Graizer, V. and Kalkan, E. “Response of Pendulums to Complex Input Ground Motion”, Soil Dynamics and Earthquake Engineering: 28, (8), 621–631, 2008.

A53.    Graizer, V. and Kalkan, E. “A Novel Approach to Strong Ground Motion Attenuation Modeling”, Proc. of the 14th World Conference on Earthquake Engineering: Beijing, China, 2008.

A54.    Celebi, M. and Kalkan, E. “Status and needs for seismic instrumentation of structures along the Hayward fault”, Proc. of the East Bay Conference, 2008.

A55.    Kalkan, E., Wills, C.J., and Branum, D.M. “Seismic Hazard Mapping of California Incorporating Spatial Variability of Site Conditions”, Proc. of the East Bay Conference, 2008.

2009

A56.    Graizer, V. and Kalkan, E. “Prediction of Response Spectral Acceleration Ordinates based on PGA Attenuation”, Earthquake Spectra: 25, (1), 36 – 69, Feb. 2009.

A57.    Haselton, C., Baker, J.W., Bozorgnia, Y., Goulet, C.A., Kalkan, E. Luco, N. Shantz, T., Shome, N., Stewart, J.P., Tothong, P., Watson-Lamprey, J. and Zareian, F., “Evaluation of Ground Motion Selection and Modification Methods: Predicting Median Interstory Drift Response of Buildings”, PEER Report No: 2009/01, Pacific Earthquake Engineering Research Center College of Engineering University of California, Berkeley, p. 219, June 2009.

A58.    Kalkan E., Gulkan, P., Yilmaz, N., Celebi, M. “Re-Examination of Probabilistic Seismic Hazard in the Marmara Sea Region”, Bulletin of Seismological Society of America: 99, (4), 2127–2146, Aug. 2009.

A59.    Kalkan, E. and Celebi, M. “Assessment of ASCE 7-05 Ground Motion Scaling Method Using Computer Model of Instrumented High-Rise Building”, Proc. of the ATC/SEI Conference: San Francisco, 2009.

A60.    Kalkan, E. and Chopra, A.K. “Modal Pushover-based Ground Motion Scaling Procedure for Nonlinear Response History Analysis of Structures”, Proc. of the Structural Engineering Association of California, Annual Convention: San Diego, 2009.

2010

A61.    Graizer, V., Kalkan, E. and Lin, K.W. “Extending and Testing Graizer-Kalkan Ground Motion Attenuation Model based on Atlas Database of Shallow Crustal Events”, Proc. of the National Earthquake Engineering Conference: Toronto, Canada, July 2010.

A62.    Gulkan, P. and Kalkan, E. Earthquake Hazard in Istanbul and Its SurroundingsScience and Technics:  (in-Turkish) 513, Aug., 2010.

A63.    Çelebi, M. P., Bazzurro, L., Chiaraluce, P., Clemente, L., Decanini, A., DeSortis, W., Ellsworth, A., Gorini, Kalkan, E., Marcucci, G., Milana, F., Mollaioli, M., Olivieri, D., Rinaldis, A., Rovelli, F., Sabetta, and C. Stephens. ”Recorded Motions of the Mw6.3 April 6, 2009 L’Aquila (Italy) Earthquake and Implications for Building Structural Damage”, Earthquake Spectra: 26, (3), pp. 651-684, Aug., 2010. 

A64.    Kalkan, E., Wills, C.J., and Branum, D.M. “Seismic Hazard Mapping of California Considering Site Effects”, Earthquake Spectra: 26, (3), pp. 1039-1055, Nov. 2010.

A65.    Kalkan, E. and Chopra, A.K. Practical Guidelines to Select and Scale Earthquake Records for Nonlinear Response History Analysis of Structures, USGS Open-File Report No: 2010-1068, 126 p. 2010.

2011

A66.    Graizer, V. and Kalkan, E. “Modular Filter-Based Approach to Ground Motion Attenuation Modeling", Seismological Research Letters82, (1), 21-31, Jan-Feb. 2011.

A67.    Akkar, S., Aldemir, A., Askan, A., Bakır, S., Canbay, E., Demirel, O., Erberik, A., Gülerce, Z., Gülkan, P., Kalkan, E., Prakash, S., Sandıkkaya, A., Sevilgen, V., Ugurhan, B., Yenier, E., “8 March 2010 Elazıg-Kovancılar (Turkey) Earthquake: Observations on Ground Motions and Building Damage”, Seismological Research Letters: 82, (1), 42-58, Jan-Feb, 2011.

A68.    Kalkan, E. and Kwong, N.S., Documentation for Assessment of Modal Pushover-based Scaling Procedure for Nonlinear Response History Analysis of “Ordinary Standard” Bridges, U.S. Geological Survey Open-File Report No: 2010-1328, p. 56, 2011.

A69.    Kalkan, E. and Chopra, A.K., “Modal-Pushover-based Ground Motion Scaling Procedure”, ASCE Journal of Structural Engineering: 138 (3), 289-310, March, 2011. (Third most downloaded article of the Journal of Structural Engineering in 2011)

A70.    Reyes, J.C. and Kalkan, E., Required Number of Ground Motion Records for ASCE/SEI 7 Ground Motion Scaling Procedure: U.S. Geological Survey Open-File Report No: 2011-1083, 34 p. 2011.

A71.    O’Donnell, A.P. Beltsar, O.A., Kurama, Y.C., Kalkan, E. and Taflanidis, A.A., “Evaluation of Ground Motion Scaling Methods for Analysis of Structural Systems”, Proc. of the American Society of Civil Engineers, Structures Congress: Las Vegas, NV, April 13-16, 2011.

A72.    Hatayama, K. and Kalkan, E. “Long-Period (3 to 10 s) Ground Motions in and around the Los Angeles Basin during the Mw7.2 El-Mayor Cucapah Earthquake of April 4, 2010”, Proc. of the 4th IASPEI / IAEE International Symposium, August 23–26, 2011, University of California Santa Barbara.

A73.    Segou, M. and Kalkan, E. “Ground Motion Attenuation during M7.1 Darfield and M6.3 Christchurch (New Zealand) Earthquakes and Performance of Global Predictive Models", Seismological Research Letters: 82 (6), 866-874, Nov-Dec, 2011.

2012

A74.    Kalkan, E. and Graizer, V. “Ground Motion Characteristics of the M5.8 Mineral, Virginia Earthquake”, Seismological Research Letters, 2012. (submitted for publication)

A75.    Graizer, V. Kalkan, E. and Lin, K. “Global Ground Motion Prediction Model for Shallow Crustal Regions”, Earthquake Spectra, 2012. (in-press)

A76.    O’Donnell, A.P. Kurama, Y.C., Kalkan, E. and Taflanidis, A.A., Beltsar, O.A.,  Experimental evaluation of ground motion scaling methods for structures with limited nonlinearity”, Earthquake Engineering and Structural Dynamics, 2012. (in-press)

A77.    Kalkan, E. “New Zealand’s Deadliest Quake Sounds Alarm for Cities on Fault Lines”, Natural Hazards Observer, 36(3), January 2012.

A78.    O’Donnell, A.P. Kurama, Y.C., Kalkan, E. and Taflanidis, A.A., ”Calibration of a Reusable Nonlinear Beam-Column Connection for Use in an Experimental Ground Motion Scaling Study”, Proc. of the American Society of Civil Engineers, Structures Congress: Chicago, IL, March 29-31, 2012.

A79.    Kalkan, E. and Kwong, N.S. “Assessment of Modal Pushover-based Scaling Procedure for Nonlinear Response History Analysis of “Ordinary Standard” Bridges”, ASCE Journal of Bridge Engineering: 17 (2), 272-288, 2012.

A80.    Kalkan, E. and Kwong, N.S. Evaluation of fault-normal/fault-parallel directions rotated ground motions for response history analysis of an instrumented six-story building: U.S. Geological Survey Open-File Report 2012-1058, 30 p.

A81.    Kalkan, E, Fletcher, J.P.B., Leith, W.S., McCarthy, J, and Krishna, B. 2012, Real-time seismic monitoring of instrumented hospital buildings: U.S. Geological Survey Fact Sheet 2012–3028, 2 p.

A82.    Reyes, J.C. and Kalkan, E., “Significance of Rotating Ground Motions on Nonlinear Behavior of Symmetric and Asymmetric Buildings in Near Fault Sites”, Proc. of the 9th International Conf. on Urban Earthquake Engineering / 4th Asia Conf. on Earthquake Engineering, March 6-8, 2012, Tokyo Institute of Technology, Tokyo, Japan.

A83.    Kalkan, E. and Kwong, N.S. “Pros and Cons of Rotating Ground Motion Records to Fault-Normal/Parallel Directions for Response History Analysis of Buildings”, ASCE Journal of Structural Engineering, 2012. (in-press)

A84.    Reyes, J.C. and Kalkan, E. “How Many Records Should be Used in ASCE/SEI-7 Ground Motion Scaling Procedure?", Earthquake Spectra, Nov. 2012.

A85.    Kalkan, E. and Chopra, A.K. “Evaluation of Modal Pushover-based Scaling of one Component of Ground Motion: Tall BuildingsEarthquake Spectra, Nov. 2012.

A86.    Ulusoy, H., Kalkan E., Fletcher, J.P.B., Leith, W.K. and Banga, K. “Design and Implementation of A Structural Health Monitoring and Alerting System for Hospital Buildings in the United State”, Proc. of the 15th World Conf. on Earthquake Engineering, 2012, Lisbon, Portugal.

A87.    Hatayama, K. and Kalkan, E. “Spatial Amplification of Long-Period (3 to 16 s) Ground Motions in and around the Los Angeles Basin during the 2010 M7.2 El Mayor-Cucapah Earthquake”, Proc. of the 15th World Conf. on Earthquake Engineering, 2012, Lisbon, Portugal.

A88.    Reyes, J.C. and Kalkan, E. “Relevance of Normal-Fault and Maximum Components of Ground-Motions on Nonlinear Behavior of Symmetric and Asymmetric Buildings in Near Fault Sites”, Proc. of the 15th World Conf. on Earthquake Engineering, 2012, Lisbon, Portugal.

A89.    Kalkan, E, Banga K., Ulusoy, S. H., Fletcher, J.P.B., Leith, W.S. and Blair, J.L. Safeguarding Veterans Affairs’ Hospital Buildings by Advanced Earthquake Monitoring: U.S. Geological Survey Fact Sheet, 2012-3028, 2 p.

A90.    Reyes, J.C. and Kalkan, E. Should Ground-motion Records be Rotated to Fault-Normal/Parallel or Maximum Direction for Response History Analysis of Buildings: U.S. Geological Survey Open-File Report 2012, 80 p. (in-press)

A91.    Reyes, J.C. and Kalkan, E., 2012b, Significance of Rotating Ground Motions on Behavior of Symmetric- and Asymmetric-plan Structures: Part 1. Parametric Study: Earthquake Spectra (submitted for publication).

A92.    Kalkan, E. and Reyes, J.C., 2012, Significance of Rotating Ground Motions on Behavior of Symmetric- and Asymmetric-plan Structures: Part 2. Case Studies: Earthquake Spectra (submitted for publication).

 

Copyright (c) 2014 by Erol Kalkan  




                           

My Science Topics


Science Topic
Subtopic
Natural Hazardsearthquakes
Natural Hazardsearthquake probabilities


Research Studies

Recent Earthquakes

Darfield and Christchurch, New Zealand Earthquakes:  Evaluation of Global GMPEs

March, 11 2011 M9.0 Tohoku, Japan Earthquake: Processed Strong Ground Motion Data

Ground Motion Predictions of March 8 - 2010: M6.2 Elazig-Kovancilar Eq. (Turkey)

Ground Motion Selection, Scaling and Characterization

Required Number of Ground Motions for ASCE/SEI-7 Ground Motion Scaling Procedure

Modal Pushover-based Ground Motion Scaling Procedure for Nonlinear Response History Analysis of Structures

Assessment of Modal Pushover-based Scaling Procedure for Nonlinear Response History Analysis of “Ordinary Standard” Bridges

Experimental Evaluation of Ground Motion Scaling Methods for Nonlinear Analysis of Structural Systems

Near-Fault Forward Directivity and Fling Effects on Building Structures

Basin Effect and Long Period Ground Motions

Characteristics of Long-Period (3 to 10 s) Strong Ground Motions Observed in and around the Los Angeles Basin during the Mw7.2 El Mayor-Cucapah Earthquake of April 4, 2010

Characteristics of Ground Motion Attenuation during the M7.2 El Mayor Cucapah (Baja) Earthquake

Seismic Hazard Analysis

Earthquake Potential of California Considering Site Effects

Seismic Hazard Mapping of Istanbul and Surroundings

Deterministic Seismic Design Values for Istanbul Metropolis and Sea of Marmara (Turkey) Region

Ground Motion Prediction

Graizer – Kalkan Ground Motion Prediction Model for Peak Ground Acceleration  

Graizer – Kalkan Ground Motion Prediction Model for Spectral Acceleration

Kalkan - Gulkan Ground Motion Prediction Model for Turkey

Pushover Analysis

Adaptive Modal Combination Procedure for Nonlinear Static Analysis of Building Structures


Journal Special Issues Edited

1. 2011, Seimological Research Letters: The 22 February 2011 Magnitude 6.2 Christchurch Earthquake

Vol. 82, no. 6, November/December Issue.

Guest Editor: Kalkan E.

 

2. 2011, ASCE Journal of Structural Engineering: Earthquake Ground Motion Selection and Modification Methodologies for Nonlinear Dynamic Analyses of Structures

Vol. 138, no. 3, March Issue

Guest Editors: Kalkan E. and Luco N.

 

3. 2008, Engineering Structures: Seismic Reliability, Analysis, and Protection of Historic Buildings and Heritage Sites,

Guest Editors: Laefer D. and Kalkan E.


Contact Information

Erol Kalkan
345 Middlefield Road
Menlo Park, CA 94025-3561
ekalkan@usgs.gov
650-329-5146
650-329-5163 - Fax
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