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Inelastic Response of Buried Pipelines Due to Landslide Effects

by Yaw-Huei Yeh, Natl Taiwan Inst of Technology, Taiwan,
Shum-Shsien Lai, Natl Taiwan Inst of Technology, Taiwan,



Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing

Abstract:

During earthquakes, a buried pipeline may experience significant loading as a result of large relative displacements of the ground along its length. Large ground movements can be caused by faulting, liquefaction, lateral spreading, landslides, and slope failures. Landslides are mass movement of the ground that can be triggered by seismic shaking. The failure pattern of a buried pipeline which is displaced by large landslide movement usually involves slope instability. The objective of this research is to present a precise analysis for buried pipelines under effect of large landslide movement. The proposed analysis model includes the concepts of the beam on elastic foundation and the ultimate passive soil pressure for presenting horizontal soil resistance to movement.

Subject Headings: Buried pipes | Failure analysis | Soil analysis | Landslides | Stress analysis | Soil pressure | Pressure pipes

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