The Effect of Mass Irregularities on the Response of Inter-Storey Drift and Floor Accelerations for Isolated and Un-Isolated Structures

dc.contributor.authorWaller, Alastair James
dc.date.accessioned2011-12-14T23:28:33Z
dc.date.available2011-12-14T23:28:33Z
dc.date.issued2010en
dc.description.abstractThe use of base isolation to help mitigate and reduce the effects of earthquake excitations has become common place on many important structures. There is also a larger amount of heavier machinery and equipment being stored in some of these important structures; this means that there is a possibility that there are mass irregularities with in a structure. While the response of structures that have been base isolated has been studied they are typically design with floors having a uniform mass. This thesis investigates how mass irregularities affect the response of the floor accelerations and interstorey drifts within a flexural structure with and without a base isolation unit. The ductility demand of the isolator unit is also investigated at during the course of the analysis. The reason for observing the response of the structure is because often in building design there is a need to have floors that have larger masses then the rest of the structure, and understanding how these mass irregularities affect the response of the structure, then the designing of such structures will be simpler during the initial concept stage.en
dc.identifier.urihttp://hdl.handle.net/10092/6114
dc.identifier.urihttp://dx.doi.org/10.26021/1485
dc.language.isoen
dc.publisherUniversity of Canterbury. Civil and Natural Resources Engineeringen
dc.relation.isreferencedbyNZCUen
dc.rightsCopyright Alastair James Walleren
dc.rights.urihttps://canterbury.libguides.com/rights/thesesen
dc.subjectBase Isolationen
dc.subjectSeismicen
dc.subjectMass Irregularityen
dc.titleThe Effect of Mass Irregularities on the Response of Inter-Storey Drift and Floor Accelerations for Isolated and Un-Isolated Structuresen
dc.typeTheses / Dissertations
thesis.degree.disciplineCivil Engineering
thesis.degree.grantorUniversity of Canterburyen
thesis.degree.levelMastersen
thesis.degree.nameMaster of Engineeringen
uc.bibnumber1736035
uc.collegeFaculty of Engineeringen
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