Generalized Non-Masing Hysteresis Model for Cyclic Loading
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 144, Issue 1
Abstract
Cyclic behavior of soils is often modeled using the Masing rules. When these rules are applied, hysteretic damping at large strains is overestimated. A non-Masing hysteresis model that reduces the size of hysteresis loops can better capture the damping behavior of soils measured in laboratory testing. A generalized non-Masing hysteresis model is proposed and shown to be compatible with a broad range of constitutive modeling frameworks. The proposed model is implemented in a superposition-type parallel-series distributed element model as well as a continuous and a piecewise linear one-dimensional backbone formulation in addition to a hyperbolic one-dimensional backbone formulation. Bidirectional and unidirectional element-level simulations are conducted. The proposed model is shown to produce non-Masing hysteretic behavior without dependence on the underlying constitutive modeling framework.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 144 • Issue 1 • January 2018
Copyright
©2017 American Society of Civil Engineers.
History
Received: Oct 10, 2016
Accepted: Jul 10, 2017
Published online: Nov 2, 2017
Published in print: Jan 1, 2018
Discussion open until: Apr 2, 2018
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