Stress-Intensification Factor and Flexibility Factor in Seismic Analysis of Continuous Buried Pipelinesby Chang-Ning Sun, TVA, Geology & Geotechnical, Engineering Group, Knoxville, TN, USA,
R. Joe Hunt, TVA, Geology & Geotechnical, Engineering Group, Knoxville, TN, USA,
Abstract: The topics of intensified stresses and increased flexibility in pipe bends subjected to bending loads are discussed in this paper. Also discussed are dynamic strain compatibility between soil and pipeline and code requirements. Full scale testing on two 30-in diameter steel pipe bends was performed.
Subject Headings: Soil dynamics | Stress analysis | Buried pipes | Pipe joints | Steel pipes | Load factors | Soil stress | Seismic tests
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