Seismic Response of Buried Pipelines to Surface Wave Propagation Effects

Abstract eng:
This paper describes an analytical model for seismic response of buried pipelines to surface wave propagation effects. This model accounts for the mechanism of shear transfer and relative joint pullout movement as a result of soil-structure interaction. Finite element simulation of the performance of jointed concrete cylinder pipelines (JCCPs) under surface wave propagation effects during the 1985 Michoacan earthquake is consistent with the field observations. In conjunction with the work conducted by Wang (2006) at Cornell University on body wave effects, a dimensionless plot is developed for estimating the relative joint pullout movement of JCCPs. The application of the dimensionless plot is expanded to other types of pipelines composed of joints exhibiting ductile tensile failure behavior, such as cast iron (CI) pipelines with lead-caulked joints, by incorporating a dimensionless reduction factor to consider the joint ductility.

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