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Water 2016, 8(6), 256; doi:10.3390/w8060256

Design Criteria for Suspended Pipelines Based on Structural Analysis

1
Civil Engineering Research and Innovation for Sustainability (CEris) of the Department of Civil Engineering, Architecture and Georesources, Instituto Superior Técnico (IST), Universidade de Lisboa (ULisboa), Lisbon 1049-001, Portugal
2
Geomatics and Hydraulic Engineering Department, University of Guanajuato, Guanajuato 36094, Mexico
Based on Orynyak, I.; Vasylyuk, V.; Radchenko, S.; Batur, A. The modelling of the dynamical behavior of the aerial pipeline bridge at the rupture of its underground part during the water pressure testing. Ukr. J. Oil Gas. Ind. 2006, 4, 27–32. (In Ukrainian)
These authors contributed equally to this work.
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Author to whom correspondence should be addressed.
Academic Editor: Arjen Y. Hoekstra
Received: 4 May 2016 / Revised: 1 June 2016 / Accepted: 12 June 2016 / Published: 17 June 2016
(This article belongs to the Special Issue Water Systems towards New Future Challenges)
View Full-Text   |   Download PDF [2190 KB, uploaded 17 June 2016]   |  

Abstract

Mathematical models have become the target of numerous attempts to obtain results that can be extrapolated to the study of hydraulic pressure infrastructures associated with different engineering requests. Simulation analysis based on finite element method (FEM) models are used to determine the vulnerability of hydraulic systems under different types of actions (e.g., natural events and pressure variation). As part of the numerical simulation of a suspended pipeline, the adequacy of existing supports to sustain the pressure loads is verified. With a certain value of load application, the pipeline is forced to sway sideways, possibly lifting up off its deadweight supports. Thus, identifying the frequency, consequences and predictability of accidental events is of extreme importance. This study focuses on the stability of vertical supports associated with extreme transient loads and how a pipeline design can be improved using FEM simulations, in the design stage, to avoid accidents. Distribution of bending moments, axial forces, displacements and deformations along the pipeline and supports are studied for a set of important parametric variations. A good representation of the pipeline displacements is obtained using FEM. View Full-Text
Keywords: design criteria; structure analysis; suspended pipelines; finite element method (FEM) design criteria; structure analysis; suspended pipelines; finite element method (FEM)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Simão, M.; Mora-Rodriguez, J.; Ramos, H.M. Design Criteria for Suspended Pipelines Based on Structural Analysis. Water 2016, 8, 256.

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