NDLI: Double-medium constitutive model of geological material in uniaxial tension and compression

Content Provider	Springer Nature Link
Author	Xue, Qiang Liu, Xiao li Wang, Si jing Wang, En zhi
Copyright Year	2006
Abstract	Based on elasto-plasticity and damage mechanics, a double-medium constitutive model of geological material under uniaxial tension and compression was presented, on the assumption that rock and soil materials are the pore-fracture double-medium, and porous medium has no damage occurring, while fracture medium has damage occurring with load. To the implicit equation of the model, iterative method was adopted to obtain the complete stress-strain curve of the material. The result shows that many different distributions (uniform distribution, concentrated distribution and random distribution) of fractures in rock and soil material are the essential reasons of the daedal constitutive relations. By the reason that the double-medium constitutive model separates the material to be porous medium part, which is the main body of elasticity, and fracture medium part, which is the main body of damage, it is of important practical values and theoretical meanings to the study on failure of rock and soil or materials containing damage.
Ending Page	1372
Page Count	12
Starting Page	1361
File Format	PDF
ISSN	02534827
e-ISSN	15732754
Journal	Applied Mathematics and Mechanics
Issue Number	10
Volume Number	27
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	damage Parameter dependent boundary value problems double-medium Eigenvalue problems Mechanics rock and soil materials geological materials Applications of Mathematics Mathematical Modeling and Industrial Mathematics constitutive model
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Mechanics of Materials Mechanical Engineering

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