Current Directions in Seismic Design
Author: Dr. Carlos Estuardo Ventura | Size: 5.15 MB | Format: PDF | Publisher: The University of British Columbia | Year: 19/09/2010 | pages: 56
herein a good seminar for Seismic Design
CONTENTS
Tools for Seismic Structural Analysis
Basic Modelling Concepts
Linear Static Analysis
Linear Dynamic Modal Response Spectrum Analysis
Linear Dynamic Modal Response History Analysis
Linear Dynamic Explicit Response History Analysis
Nonlinear Static Pushover Analysis
Nonlinear Dynamic Response History Analysis
Incremental Nonlinear Dynamic Analysis (IDA)
IDA is a relatively new approach in which a structure is repeatedly
analyzed for each motion scaled for gradually increasing/decreasing
intensities.
Probabilistic Approaches (e.g. FEMA 350) quantifying
Dynamic Time History Analysis
In general, a three-dimensional model is necessary for TH
Analysis. However, due to limitations in available software,
3-D inelastic time history analysis may not be practical
(except for very special and important structures).
Main Concerns in Nonlinear Dynamic Analysis:
Modelling of hysteretic behaviour
Modelling inherent damping
Selection and scaling of ground motions
Interpretation of results
Results may be quite sensitive to seemingly minor
pert rbations
perturbations
Due to the fact that some of these concerns may be
insurmountable in the framework of a deterministic analysis,
a probabilistic framework is being developed.
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dear moderators
move my post to this
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