Maison, B.
and Speicher, M.
(2016),
Loading Protocols for ASCE 41 Backbone Curves, Earthquake Spectra, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=920120
(Accessed December 12, 2024)
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Loading Protocols for ASCE 41 Backbone Curves
Published
Author(s)
Bruce F. Maison,
Abstract
ASCE 41-13 is an industry standard for seismic evaluation and retrofit of existing buildings. Alternative component modeling and acceptance criteria are based on a backbone curve constructed from an envelope of component hysteresis loops derived via experimental cyclic tests. ASCE 41-13 requires use of loading protocols having fully-reversed cyclic loadings with increasing displacement levels. However, recent research summarized herein indicates the need for inclusion of different protocols that pay specific attention to behavior close to collapse. This view is given support by example building computer earthquake response simulations described herein. A generalized loading pattern derived from the simulations found relatively few drift excursions having one-direction bias suggesting one-sided cyclic and/or monotonic tests may be better for describing building inelastic seismic demands.Citation
Earthquake Spectra
Volume
32
Issue
4
Pub Type
Journals
Download Paper
Keywords
ASCE 41, backbone curves, loading protocol, seismic, nonlinear modeling
Citation
Issues
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Created October 31, 2016, Updated October 12, 2021