Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16967
Title: Equivalent time and elastic visco-plastic modelling of geomaterials
Authors: Yin, J 
Issue Date: 1999
Publisher: 岩石力學與工程學報編輯部
Source: 岩石力学与工程学报 (Chinese journal of rock mechanics and engineering), 1999, v. 18, no. 2, p. 124-128 How to cite?
Journal: 岩石力学与工程学报 (Chinese journal of rock mechanics and engineering) 
Abstract: The concepts of equivalent time, reference time line etc. are introduced and a simple one-dimensional elastic visco-plastic model (1-D EVP) is derived. Yin and Graham's 1-D EVP model and its verification are also introduced. The creep data of a marine clay and a soft salt rock are used to examine the loading-history independence of equivalent time and creep strain rate. It is shown that the general 1-D EVP model will approach to the elastic line and the reference time line (elastic-plastic line) when the creep parameter ψ/V approaches to zero.
URI: http://hdl.handle.net/10397/16967
ISSN: 1000-6915
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