A national seismic testing lab is to be built
in Bulgaria. It will accommodate state of
art seismic testing facilities one of which is
a Reaction wall - Strong floor (RWSF). As
a first step towards determining suitable actuators
for it, an appropriate numerical simulation
must be performed on a number of
Prototypes made of different materials and
composed of diverse lateral restraining systems
(LRS).
As part of the Thesis, the Prototype is chosen
as a steel structure composed of two different
LRS in both orthogonal directions - Moment
Resisting Frame (MRF) and Concentrically
Braced Frame (CBF). A linear seismic
analysis is then carried out using the Modal
Response Spectrum Analysis (MRSA) on
a spatial computational model in Autodesk
Robot. A brief sensitivity study is performed
for determining the most conservative response
spectra based on EC8. Both LRS are
designed following the Capacity Design concept.
The obtained results are validated and
discussed.
The SeismoStruct software is used to simulate
a RWSF test by performing a planar nonlinear
static (Pushover) analysis on the MRF
and CBF. The non-linear response is verified
and the necessary parameters for choosing
an actuator are provided. The results are discussed
with focus on uncertainties and the
steps that follow.