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DEVELOPMENT OF SHAKE TABLE MOTIONS FOR SIMULATION OF THE SEISMIC RESPONSE OF NONSTRUCTURAL SYSTEMS

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Abstract

As part of the project entitled “NEESR-GC: Simulation of the Seismic Performance of Nonstructural System,”
a series of system-level full-scale experiments of ceilings-piping-partition systems will be conducted at the University of
Nevada, Reno NEES Site. This project is aimed at understanding the seismic response of these systems and their
interaction with each other and the parent structure. A two-story, two-bay steel braced frame spanning across three
biaxial shake tables was designed as a Test-Bed structure to simulate a variety of dynamic environments. After
introducing the design considerations of the Test-Bed structure within this paper, the method proposed to develop the
shake table drive motions is explained. To obtain the drive motion of the linear Test-Bed, a transfer function (TF) was
formulated for a multi-support dynamic system under differential support excitation and combined with a TF previously
developed for target floor acceleration of a generic structure. For the nonlinear Test-Bed structure, the drive motion was
developed using the concept of drift TF. In the later case, the nonlinearities were accounted for in the formulations by
using equivalent damping and effective frequency for the first mode.

Cite this work

Researchers should cite this work as follows:

  • Manos Maragakis; Arash E. Zaghi; Siavash Soroushian; Ahmad Itani; Gokhan Pekcan (2014), "DEVELOPMENT OF SHAKE TABLE MOTIONS FOR SIMULATION OF THE SEISMIC RESPONSE OF NONSTRUCTURAL SYSTEMS," http://nees.org/resources/13266.

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