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Type: Journal article
Title: Detailed seismic assessment and improvement procedure for vintage flexible timber diaphragms
Author: Giongo, I.
Wilson, A.
Dizhur, D.Y.
Derakhshan, H.
Tomasi, R.
Griffith, M.C.
Quenneville, P.
Ingham, J.M.
Citation: Bulletin- New Zealand Society for Earthquake Engineering, 2014; 47(2):97-118
Publisher: New Zealand Society for Earthquake Engineering
Issue Date: 2014
ISSN: 1174-9857
Statement of
I Giongo, A Wilson, DY Dizhur, H Derakhshan, R Tomasi, MC Griffith, P Quenneville, JM Ingham
Abstract: Currently there is little guidance available on an experimentally-validated detailed seismic assessment procedure for vintage flexible timber diaphragms such as are routinely encountered in New Zealand unreinforced masonry buildings. The results from recent testing of full-scale diaphragms are presented and interpreted with particular attention given to the definition of shear stiffness and shear strength values, whilst acknowledging that the recommendations derive from a small data set. References are provided to information previously published elsewhere to justify the theoretical framework adopted, and the procedure is linked to ASCE 41-13 for guidance regarding diaphragm scenarios that have not been studied by the authors. A procedure is provided to account for the effects on diaphragm response of supplementary stiffness due to masonry end walls. The performance of several diaphragms that were improved with either overlays or underlays is reported as potential proof-tested standard solutions. The assessment procedure is demonstrated by providing a mock worked example of a detailed diaphragm assessment.
Rights: Copyright status unknown
DOI: 10.5459/bnzsee.47.2.97-118
Appears in Collections:Aurora harvest 2
Civil and Environmental Engineering publications

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