Paper Title:
Determination, Derivation, Influence and Discussions of Parameters for Deformation Analyses with Duncan-Chang Modified E-B Model
  Abstract

This paper presents a study on influence of model parameters on deformation analyses with Duncan-Chang Modified Nonlinear Stress-strain (E-B) model for an ore mining tailings located in Chengde, Hebei Province of China. How to determine and derive these parameters from the laboratory experimental results was introduced first. Findings from numerical analyses performed with Midas GTS indicate that model parameters K and n most significantly affect the vertical and horizontal deformation respectively. Based on the analysis, the accuracy and effectiveness of these parameters were discussed further. Principles of the model and the parameter derivations suggest the model and parameters work better for small strain cases, hence model parameters shall be better determined with laboratory tests with low confining pressures or using new apparatus to measure small strain behavior of soil to ensure analysis results reliable.

  Info
Periodical
Edited by
Xuejun Zhou
Pages
157-164
DOI
10.4028/www.scientific.net/AMM.90-93.157
Citation
H. P. Liu, D. Y. Wang, Z. J. Ma, "Determination, Derivation, Influence and Discussions of Parameters for Deformation Analyses with Duncan-Chang Modified E-B Model", Applied Mechanics and Materials, Vols. 90-93, pp. 157-164, 2011
Online since
September 2011
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