Journal
ENGINEERING STRUCTURES
Volume 25, Issue 4, Pages 461-471Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0141-0296(02)00187-6
Keywords
damping; earthquakes; design; pushover analysis; seismic; wood; wood structures
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The direct-displacement seismic design of wood buildings requires knowledge of the global load-displacement behavior of the building and the variation of the global equivalent viscous damping with displacement amplitude. This paper proposes a simple numerical model for the determination of these parameters. The proposed model is validated with results of shake table tests of a full-scale two-story wood framed house. The model is then used for the monotonic and cyclic pushover analyses of full-scale woodframe buildings, representing various construction qualities. From these analyses, a simple equation is proposed for the variation of the global equivalent viscous damping with building drift. (C) 2003 Elsevier Science Ltd. All rights reserved.
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