A Numerical Model of Water Movement Through Clay Liners

by Carol J. Miller, Wayne State Univ, Dep of Civil, Engineering, Detroit, MI, USA,

Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age


Regulations controlling landfill design typically specify design details such as a minimum liner thickness, maximum permeability of required gradation curves for the clay liner material. This type of approach bypasses any prediction of the rate of water movement through the liner. A numerical model which incorporates a more complete and realistic description of the hydraulics of water movement through clay liners is presented. The model is sufficiently complex to simulate either the saturated or unsaturated condition for an infinite range of climatic environments. The model runs efficiently on any 16-bit microcomputer with an 8087 math co-processor. Refs.

Subject Headings: Numerical models | Clay liners | Hydrologic models | Clays | Soil water movement | Permeability (soil) | Hydraulic models | Mathematical models

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