ANALYSIS OF CONTINUOUS BURIED PIPELINES FOR SEISMIC WAVE EFFECTS.

被引:0
|
作者
O'Rourke, Michael J. [1 ]
El Hmadi, Kamel [1 ]
机构
[1] Rensselaer Polytechnic Inst, Troy,, NY, USA, Rensselaer Polytechnic Inst, Troy, NY, USA
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关键词
SEISMIC WAVES - Propagation - SOIL MECHANICS - Strain - SOILS - Friction - SURFACE WAVES;
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摘要
An analysis procedure for seismic wave propagation effects on straight continuous buried pipelines is proposed. It is shown that ground strain due to surface waves can be substantially larger than that due to body waves. An elastic model of a buried pipeline surrounded by equivalent soil springs indicates that frictional slip between the pipeline and the surrounding soil springs is likely for high ground strains. A method for estimating ground strain due to surface waves, based on data from the 1971 San Fernando earthquake, is reviewed. An analysis procedure, which utilizes frictional forces near the soil-pipeline interface, is proposed for surface wave effects on straight buried continuous pipelines.
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页码:917 / 929
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