Solid-Liquid Coupling Mechanism Research in Seepage Field and Stress Field of Fractured Rock Mass

Abstract:

In this article, we use the porosity to express the effective stress of rock mass, and get the equilibrium differential equation. on this basis, using equivalent continuum model and the finite element method to simulate the degree of coupling. In full consideration the interaction between groundwater and the rock framework and referring to the underground water solid coupling seepage flow mathematic model, based on finite element theory, we obtain the calculation method and the coupling method. These methods can real simulate groundwater seepage condition and have a great significance.

• Periodical: Advanced Materials Research (Volumes 542-543)
• Pages: 1087-1090
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.542-543.1087
• Online since: June 2012
• Authors: Hai Tao Mao, Xiao Ju Wang
• Keywords: Coupling Mechanism, Discontinuous Rock Masses, Seepage Fields, Stress Field

References

[1] Pyrak-Nolte, L.J, Myer, L.R., Cook, N.G.W., Wither-spoon,P.A., Hydaulic andmechanical properties of natural fractures in low permeability rocks[A]. In:Balkema, A.A.(Ed), Proc. International Society for Canada Rotterdam [C].1987,1: 225－231.

[2] Evans D, Nicholson T.(Eds.), Rasmussen, T, Computer simulation model ofsteady fluid flow and solute transport through three-dimensional net worksof variably saturated, discrete fractures [A]. Flow and Transport through Unsaturated Fracture Rock,[C]. [s.l.]: American Geophysical Union, 1987.107－114.

DOI: 10.1029/gm042p0001

[3] McKee C R，Bumb A C，Koenig R A. Stress-dependent permeabilityand porosityof coal and other geologic formations[J].SPE Formation Evaluation，1988，(1)：81–91.

DOI: 10.2118/12858-pa