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Geometrically Nonlinear Buckling Stability Analysis of Axially Loaded Underground Pipelines

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The paper presents an analysis of buckling stability of underground engineering life-support systems, located in water-saturated soils. Analytical and numerical(FEM) solutions are presented and shown to agree well. The influence… Click to show full abstract

The paper presents an analysis of buckling stability of underground engineering life-support systems, located in water-saturated soils. Analytical and numerical(FEM) solutions are presented and shown to agree well. The influence of soil rheological properties, as well as pipeline geometrical and mechanical parameters on the system dynamic stability, was numerically simulated.

Keywords: geometrically nonlinear; nonlinear buckling; stability analysis; buckling stability; analysis axially; stability

Journal Title: Soil Mechanics and Foundation Engineering
Year Published: 2017

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