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۱Investigation Depth of Buried Pipeline on Stress
نویسنده(ها): ، ، ،
اطلاعات انتشار: هفتمین کنفرانس بین المللی پیشرفتهای علوم و تکنولوژی، سال
تعداد صفحات: ۱۱
This paper has invested stress–strain on the buried pipe line in soil, under seismic load and also effect of buried on stress and displacement of pipe line. Material of pipe is gray cast, its diameter is 1500 mm and thickness is 20mm. Pipe buried in depth of 2, 4, 6 meter from ground surface. Seismic load is according to El–Centro earthquake. In this study, finite element models of the pipeline and soil are established using the package ABAQUS. The results show increasing in depth of buried pipe line decrease the displacement. Maximum displacement is 1.94 cm for upper path of 2 meter depth and minimum displacement is 0.7 cm for bottom path of 6 meter depth. All stress plots showed stress on pipeline is less than yield stress of gray cast, so there is no plastic strain and plastic deformation.<\div>
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