CONSTITUTIVE RELATION OF UNSATURATED SOIL BY USE OF THE MIXTURE THEORY ( Ⅱ )-LIN

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CONSTITUTIVE RELATION OF UNSATURATED SOIL BY USE OF THE MIXTURE THEORY ( Ⅱ )-LINEAR CONSTITUTIVE EQUATIONS AND FIELD EQUATIONS

The linear constitutive equations and field equations of unsaturated soils were obtained through linearizing the nonlinear equations given in the first part of this work. The linear equations were expressed in the forms similar to Biot' s equations for saturated porous media. The Darcy's laws of unsaturated soil were proved. It is shown that Biot's equations of saturated porous media are the simplification of the theory. All these illustrate that constructing constitutive relation of unsaturated soil on the base of mixture theory is rational.

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作 者: 黄义 张引科  
作者单位:黄义(Science College, Xi' an University of Architecture & Technology,Xi'an 710055, P.R.China)
&cA#H:a1D1T\a.o0张引科(Science College, Xi' an University of Architecture & Technology,Xi'an 710055, P.R.China;Department of Geotechnical Engineering,Tongji University,Shanhai 200092,P.R.China) 
刊 名:应用数学和力学(英文版)  EI SCI
英文刊名:APPLIED MATHEMATICS AND MECHANICS(ENGLISH EDITION) 
年,卷(期):2003 24(2) 
分类号:O359.2 
关键词:mixture theory   unsaturated soil   linear constitutive equation   linear field equation   Darcy' s law   Biot' s equations  
机标关键词:MIXTURE THEORYUNSATURATED SOILFIELD EQUATIONSunsaturated soilsporous mediaconstitutive equationsconstitutive relationnonlinear equationsfield equationsmixture theory 
基金项目:国家自然科学基金,Special Research Plan of the Education Department of Shaanxi Province 
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