Abstract
Application of Endurance Time method in evaluation of seismic performance of a typical sandwich panel building
Highlights
There are several studies on seismic performance of Reinforced Concrete (RC) shear walls [1]
The main reasons for this negligence can be attributed to the fact that; 1) the behavior of lateral load-bearing sandwich panels is often assumed to be similar to RC shear walls; the design and evaluation of these structural elements follows those related to RC shear walls and 2) sandwich panels are not supposed to contribute in lateral load-bearing mechanism; in other words, they are designed as non-structural or structural components that contribute in transferring vertical loads only or they are designed against out-ofplane loadings that have originated from wind or blast loads
The seismic performance of a typical sandwich panel building was evaluated using nonlinear time-history analysis. Both endurance time analyses and time-history analyses consisting of seven selected ground motion excitations with different intensities were applied to the model building and the results in terms of maximum principal plastic strains, base shear and inter-story drift ratios were derived
Summary
There are several studies on seismic performance of Reinforced Concrete (RC) shear walls [1]. Mourtaja et al [6] studied static cyclic behavior of a typical half-scale sandwich panel building by experimentations They found the strength of the building can reach up to 10 times of the designed capacity according to the Turkish code. Static cyclic testing was performed on seven sandwich panels by Voon and Ingham [9] The results of their experimental study indicate that the ductility factor of sandwich panels based on their proposed details can reach up to 4.0. They suggest that the strength capacity of these structural elements can be predicted by conventional flexural theory including a typical magnitude of strength reduction factor.
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