Investigation of Seismic Action on Frame Structure using Sap 2000

Abstract

Earthquakes are considered one of the most deadly natural hazards
to mankind, causing the death of thousands each year. This
research aimed at gaining some insight into the real behaviour of
reinforced concrete and frame structure under seismic excitation.
The model of the reinforced concrete-steel frame structure was
analyzed using the SAP 2000 software package. The P-Delta
analysis is performed by subjecting the building to the pattern of
loads increment representing the inertia forces which will be
experienced by the building. As the magnitude of the load was
increased gradually, the response of the building to the
monotonically increasing load was observed at different points.
The displacements observed were about 0.35m from joints on the
first floor. The capacity curve obtained from static analysis of the
building met the request curve near the elastic range at a
displacement of 0.35m; this shows that the structure has good
resistance to a spectrum acceleration of 0.11g which is equivalent
to an earthquake of magnitude 5.2 (Mw).