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http://dx.doi.org/10.12814/jkgss.2013.12.4.087

Characteristics of Soil Parameter for Lade's Single Work-Hardening Constitutive Model with Relative Density of Bottom ash  

Kim, Chan-Kee (Dept. of Civil Engineering, Daejin University)
Lee, Jong-Cheon (Dept. of Civil Engineering & Landscape Architecture, Dongkang College)
Publication Information
Journal of the Korean Geosynthetics Society / v.12, no.4, 2013 , pp. 87-98 More about this Journal
Abstract
This study was performed a series of the isotropic compression-expansion tests and the drained triaxial tests with various the relative densities 40%, 60%, 80% and 95% for bottom ash. Using the tests results the characteristic of the parameters of Lade's single hardening constitutive model were investigated. The soil parameters Kur and n representing elastic behavior are not much affected by the change of the relative density. The other parameters such as failure criterion(m, ${\eta}_1$), hardening function(c, p) and plastic potential(${\psi}_2$, ${\mu}$) are in a positive linear relationship with the relative density. Since the soil parameters h and ${\alpha}$ representing yield function do not change much to the change of relative density and also closely related to failure criterion, they can be replaced by failure criterion ${\eta}_1$. We also observed that predicted values from the Lade's single hardening constitutive model were well consistent with the observed data.
Keywords
Relative density; Single Work-Hardening Constitutive model; Soil parameter; Drained traxial test;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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