SEISMIC ANALYSIS OF HIGH RISE BUILDING
Rudra Pratap Singh
M.Tech, Faculty of Civil Engineering Shri Ramswaroop Memorial University Deva Road Lucknow Barabanki , IN
Shubham Srivastava
M.Tech, Faculty of Civil Engineering Shri Ramswaroop Memorial University Deva Road Lucknow Barabanki , IN
Mohd Zain
M.Tech, Faculty of Civil Engineering Shri Ramswaroop Memorial University Deva Road Lucknow Barabanki , IN
Keywords: Base Shear; Finite Element; Fundamental Frequencies; Geometric Irregularities; Modal Displacement; Response Spectra Time History Analysis; Storey Drift
Abstract
When a structure is subjected to earthquake, it responds by vibrating. An earthquake force can be resolved
into three mutually perpendicular directions-the two horizontal directions (x and y) and the vertical direction (z). This
motion causes the structure to vibrate or shake in all three directions; the predominant direction of shaking is horizontal.
It is very essential to consider the effects of lateral loads induced from wind and earthquakes in the analysis of
reinforced concrete structures, especially for high-rise buildings. The basic intent of analysis for earthquake resistant
structures is that buildings should be able to resist minor earthquakes without damage. It resists moderate earthquakes
without structural damage but sometimes non-structural damage will resist major earthquakes without collapse the major
structure. To avoid collapse during a major earthquake, members must be ductile enough to absorb and dissipate energy
by post-elastic deformation. Redundancy in the structural system permits redistribution of internal forces in the failure of
key elements. When the primary element or system yields or fails, the lateral force certainly redistributed to a secondary
system to prevent progressive failure.
Several seismic learning of structure have been developed. This paper discusses actions that have been applied
for the dynamic study of irregular structures. In present study, a G+20 storey reinforced concrete composite.
The objectives of the present work is to study the behavior of a multi storied R C building irregular in plan
subjected to earth quake load by adopting Response spectrum analysis.
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