Use of dredgings for landfill. Technical report no.3. Mathematical, model for one-dimensional desiccation and consolidation of dredged materials.

R. J. Krizek, M. Casteleiro

Research output: Contribution to journalArticlepeer-review

Abstract

the linearized boundary value problem; at the end of each step, the errors introduced by the simplifying assumptions were corrected. Based on a thorough study of the covergence and stability conditions associated with the numerical approximation employed, a system of automatic corrections has been incorporated into the computer program to reduce the time increment is stability problems originate during the solution. (A) A mathematical model has been developed to represent the physical phenomena that occur during the desiccation and one-dimensional consolidation of successive layers of dredged material as they are periodically deposited in a diked containment area. The governing boundary value problem, defined in terms of pore water pressures, consists of two field equations (one for the saturated domain and one for the unsaturated domain), a drainage boundary condition, an evapotranspiration boundary condition, and a series of continuity conditions at the interfaces between different layers. A number of simplifying assumptions were made to render the field equations tractable, and a step-by-step numerical procedure was used to solve

Original languageEnglish (US)
Journal[No source information available]
StatePublished - 1978

ASJC Scopus subject areas

  • Engineering(all)

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