›› 2012, Vol. 33 ›› Issue (6): 1904-1911.

• Numerical Analysis • Previous Articles     Next Articles

Numerical analysis of electroosmostic consolidation based on coupled electrical field-seepage field-stress field

WANG Liu-jiang1，LIU Si-hong1，WANG Jun-bo2，ZHU Hao3   

  1. 1. College of Water Conservancy & Hydropower Engineering, Hohai University, Nanjing 210098, China; 2. Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710032, China; 3. Construction and Administration Bureau of South-to-North Water Diversion Middle Route Project, Beijing 100038, China
  • Received:2010-12-28 Online:2012-06-11 Published:2012-06-14

PDF (Chinese)

1588

Abstract: Based on the mechanical theory of unsaturated porous media, an equation of electroosmostic consolidation theory which considers the coupling of electrical field, seepage field and stress field is derived by applying the principles of charge and mass conservation, stress equilibrium equation, Darcy’s law and Ohm’s law. The equation is discretized by using the Galerkin method of weighted residuals to get the formulation for finite elements; and then a code is developed. A model test of the electroosmosis combining with vacuum drainage is simulated. The simulated results agree well with the measured ones; it is shown that the proposed theory can predict the development of pore water pressure and displacements quantitatively in the electroosmosis consolidation process.

Key words: electroosmosis, multi-field coupling, consolidation, finite element method, model test

CLC Number: 

  • O 242.21
[1] WANG Guo-hui, CHEN Wen-hua, NIE Qing-ke, CHEN Jun-hong, FAN Hui-hong, ZHANG Chuan, . Impacts of pit excavation on foundation piles in deep silty soil by centrifugal model tests [J]. Rock and Soil Mechanics, 2020, 41(2): 399-407.
[2] CHENG Tao, YAN Ke-qin, HU Ren-jie, ZHENG Jun-jie, ZHANG Huan, CHEN He-long, JIANG Zhi-jie, LIU Qiang, . Analytical method for quasi-two-dimensional plane strain consolidation problem of unsaturated soil [J]. Rock and Soil Mechanics, 2020, 41(2): 453-460.
[3] MENG Yu-han, ZHANG Bi-sheng, CHEN Zheng, MEI Guo-xiong, . Consolidation analysis of foundation with sand blankets under ramp loading [J]. Rock and Soil Mechanics, 2020, 41(2): 461-468.
[4] TU Yuan, WANG Kui-hua, ZHOU Jian, HU An-feng, . Application of effective stress method and effective consolidation stress method for strength calculation in preloading ground [J]. Rock and Soil Mechanics, 2020, 41(2): 645-654.
[5] SUN Rui, YANG Feng, YANG Jun-sheng, ZHAO Yi-ding, ZHENG Xiang-cou, LUO Jing-jing, YAO Jie, . Investigation of upper bound adaptive finite element method based on second-order cone programming and higher-order element [J]. Rock and Soil Mechanics, 2020, 41(2): 687-694.
[6] LIU Zhong-yu, XIA Yang-yang, ZHANG Jia-chao, ZHU Xin-mu. One-dimensional elastic visco-plastic consolidation analysis of saturated clay considering Hansbo’s flow [J]. Rock and Soil Mechanics, 2020, 41(1): 11-22.
[7] YU Yi-fan, WANG Ping, WANG Hui-juan, XU Shu-ya, GUO Hai-tao, . Physical model test of seismic dynamic response to accumulative landslide [J]. Rock and Soil Mechanics, 2019, 40(S1): 172-180.
[8] LEI Hua-yang, HU Yao, LEI Shuang-hua, QI Zi-yang, XU Ying-gang, . Analysis of microstructure characteristics of air-booster vacuum preloading for ultra-soft dredger fills [J]. Rock and Soil Mechanics, 2019, 40(S1): 32-40.
[9] CHEN Yu-long, UCHIMURA Taro, . Early warning of rainfall-induced landslides based on elastic wave velocity [J]. Rock and Soil Mechanics, 2019, 40(9): 3373-3386.
[10] WANG Qin-ke, MA Jian-lin, CHEN Wen-long, YANG Yan-xin, HU Zhong-bo, . Centrifugal model tests and calculation method of uplift bearing capacity of rock-socketed pedestal pile overburden soil [J]. Rock and Soil Mechanics, 2019, 40(9): 3405-3415.
[11] LU Liang, SHI Tong-hui, YANG Dong, . Control effect of uneven settlement of subgrade by composited method of replacement load shedding and reinforced embankment [J]. Rock and Soil Mechanics, 2019, 40(9): 3474-3482.
[12] ZHANG Lei, WANG Ning-wei, JING Li-ping, FANG Chen, DONG Rui, . Comparative experiments of different electrode materials on electro-osmotic consolidation [J]. Rock and Soil Mechanics, 2019, 40(9): 3493-3501.
[13] ZHANG Yu-guo, WAN Dong-yang, ZHENG Yan-lin, HAN Shuai, YANG Han-yue, DUAN Meng-meng. Analytical solution for consolidation of vertical drain under vacuum preloading considering the variation of radial permeability coefficient [J]. Rock and Soil Mechanics, 2019, 40(9): 3533-3541.
[14] QIU Jin-wei, PU He-fu, CHEN Xun-long, LÜ Wei-dong, LI Lei. Coupled analysis of self-weight consolidation and contaminant transport in confined disposal of contaminated sediments [J]. Rock and Soil Mechanics, 2019, 40(8): 3090-3098.
[15] ZHANG Zhi-guo, HUANG Mao-song, YANG Xuan, . Analytical solution for dissipation of excess pore water pressure and soil consolidation settlement induced by tunneling under the influence of long-term leakage [J]. Rock and Soil Mechanics, 2019, 40(8): 3135-3144.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
[1] XIANG Tian-bing, FENG Xia-ting, CHEN Bing-rui, JIANG Quan, ZHANG Chuan-qing. Rock failure mechanism and true triaxial experimental study of specimens with single structural plane under three-dimensional stress[J]. , 2009, 30(10): 2908 -2916 .
[2] WEN Shi-qiang, CHEN Yu-min, DING Xuan-ming, ZUO Wei-long. Application of grouted gravel pile in soft subgrade improvement of expressway[J]. , 2010, 31(5): 1559 -1563 .
[3] ZHANG Chang-guang，ZHANG Qing-he，ZHAO Jun-hai. Unified solutions of shear strength and earth pressure for unsaturated soils[J]. , 2010, 31(6): 1871 -1876 .
[4] YANG Tian-hong, CHEN Shi-kuo, ZHU Wan-cheng, LIU Hong-lei. Coupled model of gas-solid in coal seams based on dynamic process of pressure relief and gas drainage[J]. , 2010, 31(7): 2247 -2252 .
[5] LI Wei-chao, XIONG Ju-hua, YANG Min. Improved method for calculating anti-overturning safety factor of cement-soil retaining wall in layered soil[J]. , 2011, 32(8): 2435 -2440 .
[6] ZHANG Gui-min , LI Yin-ping , SHI Xi-lin , YANG Chun-he , WANG Li-juan. Research on a model material preparation method for alternate layered rock mass and preliminary experiment[J]. , 2011, 32(S2): 284 -289 .
[7] WANG Wei LI Xiao-chun LI Qiang SHI Lu WANG Ying BAI Bing. Small size in-situ transient pulse permeability measurement system and its experimental research[J]. , 2011, 32(10): 3185 -3189 .
[8] LI Shu-cai , ZHAO Yan , XU Bang-shu , LI Li-ping , LIU Qin , WANG Yu-kui . Study of determining permeability coefficient in water inrush numerical calculation of subsea tunnel[J]. , 2012, 33(5): 1497 -1504 .
[9] Lü Ya-ru , DING Xuan-ming , SUN Jia , KONG Gang-qiang . Analysis of ultimate bearing capacity of X-section cast-in-place concrete pile composite foundation under rigid load[J]. , 2012, 33(9): 2691 -2696 .
[10] WANG Hong-xin , SUN Yu-yong . Test study and bar system FEM for foundation pits considering excavation width[J]. , 2012, 33(9): 2781 -2787 .
Copyright © Rock and Soil Mechanics, All Rights Reserved.
Tel: 027-87198484, 87199252, 87199253, 87198752　E-mail: ytlx@whrsm.ac.cn
Powered by Beijing Magtech Co. Ltd