Abstract: Mobile subsurface colloids can carry ground-water contaminants sorbed onto their surfaces to far greater distances than predicted using a conventional advective/dispersive transport equation with normal retardation values. ...

Abstract: Barrier systems have recently been employed for contaminant migration control and/or as an integral part of in situ remediation efforts. In this study, we investigate horizontal gel barrier systems constructed by injecting ...

Abstract: Migration of non-aqueous-phase liquids (NAPLs) such as trichloroethylene or gasoline can be controlled by barrier systems. The research presented in this paper aims to form a horizontal layer by injecting gelling liquids ...

Abstract: Construction and maintenance of engineering structures in arctic regions demands an understanding of and the ability to cope with environmental problems produced by permafrost. Where thawing of the permafrost cannot be ...

Abstract: In this paper, we develop a numerical solution to equations derived in the first part of this study to simulate the thaw subsidence of an unsaturated frozen soil due to surface heating. Solutions obtained in terms of pore ...

Abstract: A theory is presented to simulate the consolidation of elastic porous media saturated by two immiscible Newtonian fluids. The macroscopic equations, including mass and momentum balance equations and constitutive relations, ...

Abstract: Lateral and effective stresses obtained by an application of the mixture theory in a fluid saturated porous medium of finite width are compared with those of Boussinesq and Biot theories respectively. The porous medium is ...

Abstract: A one-dimensional multiphase numerical model is developed to simulate the vertical settlement involving liquid and gas flows in a deformable (settling) municipal solid waste (MSW) landfill. MSW is represented by a chemical ...

Abstract: Municipal solid waste (MSW) landfills are not only used to dispose the refuse in most economical way but also utilized as a viable land in today’s waste management strategy. Settlement prediction is an important issue in ...