Infrastructures, Volume 6, Issue 12
2021 December - 18 articles
Cover Story: Pipelines are a safe, reliable, and environmentally friendly way of transporting liquids and gas. They are sometimes exposed to ground movements resulting from landslides or earthquakes. This paper evaluates the performance of small diameter (42 mm) medium density polyethylene (MDPE) pipes buried in loose sand under axial relative ground movement. In this research, full-scale laboratory tests were conducted to investigate the responses of buried pipes under various rates of relative axial displacement. Finite element modeling of the tests was used to interpret the observed behavior using the continuum mechanics framework. The overall analysis of the results shows that a rate-dependent interface friction angle could be used to calculate the maximum pulling forces using the conventional design guidelines for the pipes in loose sand. View this paper. - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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