MACRO-SCALE UNDERSTANDING OF THE BASIC CONCEPT OF BUILDING SEISMIC DESIGN
In the concept of seismic design for buildings,seismic motion excites the natural vibration of the structural entity,which is then extrapolated into a regular and easily analyzable static force form,namely the stan-dard value of horizontal seismic action,indirectly and equivalently reflecting seismic motion.Then apply the seismic action standard value equivalently to a stationary solid particle for structural analysis,and obtain the seismic effect utility of the entire building or its components.The general method for structural analysis is the"mode decompo-sition response spectrum method",and based on this method,the"mode decomposition response spectrum method considering torsional coupling"is extended.
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