Transcription of EARTHQUAKE LATERAL FORCE ANALYSIS
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EARTHQUAKE LATERAL FORCE ANALYSIS
EARTHQUAKE LATERAL FORCE ANALYSISByByDr. Jagadish. G. KoriProfessor & Head Civil Engineering DepartmentGovt. Engineering College, Haveri-581110 EARTHQUAKE LATERAL FORCE ANALYSIS The design LATERAL FORCE shall first be computed for the building as a whole. This design LATERAL FORCE shall then be distributed to the various floor levels. the various floor levels. There are two commonly used procedures for seismic design LATERAL forces:1. Equivalent static FORCE analysis2. Dynamic analysisEquivalent static FORCE ANALYSIS The concept is a dynamic ANALYSIS into partly dynamic and partly static analyses for finding the maximum displacement. Is restricted only to a single mode of vibration of the static LATERAL FORCE ANALYSIS is based on the following assumptions,1) Assume that structure is ) Assume that structure is ) Assume perfect fixity between structure and ) During ground motion every point on the structure experience same accelerations4)Dominant effect of EARTHQUAKE is equivalent to horizontal FORCE of varying magnitude over the ) Approximately determines the total horizontal FORCE (Base shear) on the limitations of equivalent static LATERAL FORCE ANALYSIS In the equivalent static forc
Earthquake Lateral Force Analysis • The design lateral force shall first be computed for the building as a whole. • This design lateral force shall then be distributed to
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