Modelling of freezing in frost-susceptible soils

• Autorzy: Michałowski R. L. , Zhu M.
• Konferencja: Polish Conference on Computer Methods in Mechanics (16 ; 21-24.06.2005 ; Częstochowa, Poland
• Języki publikacji: EN

Abstrakty

EN

Frost heave in soils is a common phenomenon in cold regions, yet the previous efforts toward its math-ematical description did not result into a generally accepted model. The model described in this paper is based on the concept of porosity ratę function, which characterizes well the heaving phenomenon in variety of soils. The concept is simple enough so that it can be easily incorporated in numerical methods. The description of the model is followed by brief considerations of energy transfer and phase change. Calibration results are shown, and the model is implemented to solve a practical boundary value problem. The influence of thermal insulation on the performance of a retaining wali with frost-susceptible backfill is discussed.

Słowa kluczowe

EN

soil freezing; frost heave; constitutive model; heat transfer; phase change; retaining wall

PL

zamarzanie; wymarzanie gruntu; wysadzina; wymiana ciepła; przemiana fazowa; ściana oporowa

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Computer Assisted Mechanics and Engineering Sciences
• Rocznik: 2006
• Tom: Vol. 13, No. 4
• Strony: 613--625
• Opis fizyczny: Bibliogr. 21 poz., tab., wykr.

Twórcy

autor

Michałowski R. L.

autor

Zhu M.

• Department of Civil and Environmental Engineering, University of Michigan Ann Arbor, MI 48109, U.S.A.

Bibliografia

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