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Dr. Tracy Becker

B.S., (University of California, San Diego, USA)
M.S, Ph.D. (University of California, Berkeley, USA)

Office JHE 224
Extension 24299
Email address tbecker@mcmaster.ca


Assistant Professor, Civil Engineering

Structures and Earthquake Engineering

Research Interests

  • Earthquake Engineering
  • Structural Dynamics
  • Control

Specific Research Interests and Activities

  • Performance-based earthquake engineering
  • Seismic isolation
  • Energy dissipation devices
  • Tall building isolation
  • Floor isolation
  • Dynamic testing

 

Publications

Journal articles

  • Becker, T. C., Yamamoto, S., Hamaguchi, H., Higashino, M. and Nakashima, M. “Application of isolation to high-rise buildings: A Japanese design case study through a US design code lens.” (in review Earthquake Spectra)
  • Shi, Y., Becker, T. C., Furukawa S., Sato E. and Nakashima M. “LQR control with frequency-dependent scheduled gain for a semi-active floor isolation system.” Earthquake Engineering and Structural Dynamics  (accepted July 2013)
  • Shi, Y., Becker, T. C., Kurata M. and Nakashima M. “H∞ control in the frequency domain for a semi-active floor isolation system.” Frontiers of Structural and Civil Engineering 2013, 7: 264-275.
  • Becker, T. C., and Mahin, S. A. “Approximating peak responses in seismically isolated buildings using generalized modal analysis.” Earthquake Engineering and Structural Dynamics. 213, 42(12): 1807-1825.
  • Becker, T. C. and Mahin, S. A. “Effect of rotation on behavior of triple friction pendulum bearings.” Earthquake Engineering and Structural Dynamics. 2013, 42(12): 1731-1748.
  • Furukawa, S., Sato, E., Shi, Y., Becker, T. C. and Nakashima, M. “Full-scale shaking table test of a base-isolation medical facility subjected to vertical motions.” Earthquake Engineering and Structural Dynamics. 2013, 42(13): 1931-1949.
  • Becker, T. C. and Mahin, S. A. “Correct treatment of rotation of sliding surfaces in a kinematic model of the triple friction pendulum bearing.” Earthquake Engineering and Structural Dynamics, 2013. 42(2): 311-317.
  • Becker, T. C. and Mahin, S. A. “Experimental and analytical study of the bi-directional behavior of the triple friction pendulum isolator.” Earthquake Engineering and Structural Dynamics, 2012; 41(3): 355-373.

Conference Papers

  • Becker, T. C. and Mahin, S. A. “Effects of flexible supports on the backbone behavior of triple friction pendulum bearings.” Proceedings of the 13th World Conference on Seismic Isolation, Energy Dissipation and Active Vibration Control of Structures, Sendai, Japan, September 24-27 2013. 
  • Schellenberg, A., Becker, T. C. and Mahin, S. A. “Hybrid Shake Table for the Testing of Midlevel Seismic Isolation Systems.” Proceedings of the 13th World Conference on Seismic Isolation, Energy Dissipation and Active Vibration Control of Structures, Sendai, Japan, September 24-27 2013. 
  • Shi Y., Becker T., Nakashima M. “Semi-active control for floor isolation system using frequency domain control methods.” Proceedings of the 13th World Conference on Seismic Isolation, Energy Dissipation and Active Vibration Control of Structures, Sendai, Japan, September 24-27 2013. 
  • Shi Y., Becker T., Kurata M., Nakashima M. “Design of a PI controller for MR dampers using damper force feedback.” Proceedings of the JAEE First International symposium on Earthquake Engineering, Tokyo, Japan, November 8-10 2012.
  • Becker, T.C., Keldrauk, E.S., Mieler, M.W., Stojadinovic, B. and Mahin, S.A. “Effect of mass offset on the torsional response in friction pendulum isolated structures.” Proceedings of the 15th World Conference on Earthquake Engineering, Lisbon, Portugal, September 24-28 2012. 
  • Nakashima, M., Becker, T.C., Matsumiya, T. and Nagae, T. “A Lesson from the 2011 Tohoku Earthquake – The necessity for collaboration and dialog among natural scientists, engineers, social scientists, government agencies, and the general public” Chapter 13, Bled4 Workshop Proceedings, Bled, Slovenia, June 24-27 2011. 
  • Mahin, S., Ogorzalek, K. and Becker T. “Achieving resiliency with seismic isolation.” Proceedings of the 8th International Conference on Urban Earthquake Engineering, Tokyo, Japan, March 7-8 2011. 
  • Becker, T. C. and Mahin, S. A. “The effect of statistical distribution of isolator properties on building performance.” Proceedings of the 14th European Conference on Earthquake Engineering, Ohrid, Macedonia, August 30 – September 3 2010. 
  • Becker, T. C. and Mahin, S. A. “Three dimensional modeling of triple friction pendulum isolators.” Proceedings of the 9th US National and 10th Canadian Conference on Earthquake Engineering, Toronto, Canada, July 25-29 2010. 
  • Becker, T. C., Furukawa, S., Mahin, S. A. and Nakashima, M. “Comparison of US and Japanese codes for seismically isolated buildings.” Proceedings of the ASCE Structures Congress, Orlando, Florida, May 12-15 2010.