Energy Method for Incremental Collapse Analysis of Framed Structures
Publication: Journal of Structural Engineering
Volume 114, Issue 1
Abstract
The entire spectrum of incremental collapse behavior of elastic‐perfectly plastic multistory rigid‐frame structures can be described by energy methods. The separation between safe and unsafe load ranges coincides precisely with the transition from bounded to unbounded hysteresis energy absorption. The energy method is preferable to alternate methods that rely on linear programming methods for computation of the envelope, which bounds “safe” loading regimes. This is because the energy method leads to a sharp demarcation between shakedown and incremental collapse, which can be exploited to produce a highly efficient computer program. Illustrative results from the application of the energy method are given for a three‐bay, three‐story rigid‐frame structure.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 114 • Issue 1 • January 1988
Pages: 31 - 49
Copyright
Copyright © 1988 ASCE.
History
Published online: Jan 1, 1988
Published in print: Jan 1988
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