Journal of Advanced Concrete Technology
Online ISSN : 1347-3913
ISSN-L : 1346-8014
Regular Paper
Development and Validation of Nonlinear Dynamic Analysis in Seismic Performance Verification of Underground RC Structures
Jun MatsuiKeizo OhtomoKensei Kanaya
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2004 Volume 2 Issue 1 Pages 25-35

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Abstract

Large shake table test and subsequent numerical analysis correlation were conducted to develop and validate a suitable nonlinear FEM model for the seismic performance evaluation of underground RC structures, enhancing the existing skeleton and hysteresis rules for RC members. A trilinear nonlinear RC member model that represents the effect of reinforcing bar pullout was developed and validated through numerical correlation analysis using past static loading tests. The shake table test results demonstrate that the deformation of model RC structure is fully governed by ground deformation both in the elastic and inelastic ranges. The FEM model developed here derives estimations that show good correlation with test results in terms of such parameters as structural deformation, shear stress distribution on the upper slab surface and concrete cracks and reinforcing bars yielding events, because of the successful parameter identification of nonlinear soil and RC member models.

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© 2004 by Japan Concrete Institute
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