Transcription of Lecture 4 - Dynamic Analysis of Buildings
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Lecture 4 - Dynamic Analysis of Buildings
1 Seismic Design of Multistorey Concrete StructuresCourse Instructor:Dr. Carlos E. Ventura, of Civil EngineeringThe University of British Course for CSCE Calgary 2006 Annual ConferenceLecture 4 Dynamic Analysis of BuildingsInstructor: Dr. VenturaNo. 2 Seismic Design of Multistorey Concrete StructuresNBCC 2005 Objective of NBCC: Building structures should be able to resist major earthquakes without collapse. Must design and detail structure to control the location and extent of damage. Damage limits effective force acting on structure. But damage increases displacements!2 Instructor: Dr. VenturaNo. 3 Seismic Design of Multistorey Concrete StructuresNBCC 2005 methods of Analysis1) Analysis for design earthquake actions shall be carried out in accordance with the Dynamic Analysis Procedureas per Article (see Appendix A), exceptthat the Equivalent Static Force Procedure as per Article may be used for structures that meet any of the following criteria: a) for cases where IEFaSa( ) is less than ,b) regular structures that are less than 60 min height and have a fundamental lateral period, Ta, less than 2 secondsin each of two orthogonal directions as defined in Article , orc) structures with struct
methods: a) Linear Dynamic Analysis by either the Modal Response Spectrum Methodor the Numerical Integration Linear Time History Methodusing a structural model that complies with the requirements of Sentence 4.1.8.3.(8) (see Appendix A); or b) Nonlinear Dynamic Analysis Method, in which case a special study shall be performed (see Appendix A).
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