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Title: Modeling the hydro-mechanical responses of strip and circular punch loadings on water-saturated collapsible geomaterials

Abstract

A stabilized enhanced strain finite element procedure for poromechanics is fully integrated with an elasto-plastic cap model to simulate the hydro-mechanical interactions of fluid-infiltrating porous rocks with associative and non-associative plastic flow. We present a quantitative analysis on how macroscopic plastic volumetric response caused by pore collapse and grain rearrangement affects the seepage of pore fluid, and vice versa. Results of finite element simulations imply that the dissipation of excess pore pressure may significantly affect the stress path and thus alter the volumetric plastic responses.

Authors:
 [1];  [2];  [3]
  1. Columbia Univ., New York, NY (United States)
  2. Clemson Univ., SC (United States)
  3. Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1109436
Report Number(s):
SAND2013-7536J
Journal ID: ISSN 1861-1125; PII: 276
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Accepted Manuscript
Journal Name:
Acta Geotechnica
Additional Journal Information:
Journal Volume: 9; Journal Issue: 5; Journal ID: ISSN 1861-1125
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; bearing capacity; cap plasticity; excess pore pressure; hydro-mechanical coupling; poromechanics; stabilized procedure

Citation Formats

Sun, WaiChing, Chen, Qiushi, and Ostien, Jakob T. Modeling the hydro-mechanical responses of strip and circular punch loadings on water-saturated collapsible geomaterials. United States: N. p., 2013. Web. doi:10.1007/s11440-013-0276-x.
Sun, WaiChing, Chen, Qiushi, & Ostien, Jakob T. Modeling the hydro-mechanical responses of strip and circular punch loadings on water-saturated collapsible geomaterials. United States. doi:10.1007/s11440-013-0276-x.
Sun, WaiChing, Chen, Qiushi, and Ostien, Jakob T. Fri . "Modeling the hydro-mechanical responses of strip and circular punch loadings on water-saturated collapsible geomaterials". United States. doi:10.1007/s11440-013-0276-x. https://www.osti.gov/servlets/purl/1109436.
@article{osti_1109436,
title = {Modeling the hydro-mechanical responses of strip and circular punch loadings on water-saturated collapsible geomaterials},
author = {Sun, WaiChing and Chen, Qiushi and Ostien, Jakob T.},
abstractNote = {A stabilized enhanced strain finite element procedure for poromechanics is fully integrated with an elasto-plastic cap model to simulate the hydro-mechanical interactions of fluid-infiltrating porous rocks with associative and non-associative plastic flow. We present a quantitative analysis on how macroscopic plastic volumetric response caused by pore collapse and grain rearrangement affects the seepage of pore fluid, and vice versa. Results of finite element simulations imply that the dissipation of excess pore pressure may significantly affect the stress path and thus alter the volumetric plastic responses.},
doi = {10.1007/s11440-013-0276-x},
journal = {Acta Geotechnica},
number = 5,
volume = 9,
place = {United States},
year = {2013},
month = {11}
}

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Cited by: 19 works
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Works referenced in this record:

An algorithm and a modular subroutine for the CAP model
journal, April 1979

  • Sandler, I. S.; Rubin, D.
  • International Journal for Numerical and Analytical Methods in Geomechanics, Vol. 3, Issue 2, p. 173-186
  • DOI: 10.1002/nag.1610030206