Dynamic response of water networks in seismic areas
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Bibliographic Details
| Author(s): |
Virginia Corrado
Berardino D'Acunto Nicola Fontana Maurizio Giugni |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008 | ||||
| Published in: | IABSE Congress Chicago 2008 | ||||
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| Page(s): | 628-629 | ||||
| Total no. of pages: | 8 | ||||
| Year: | 2008 | ||||
| DOI: | 10.2749/222137908796294117 | ||||
| Abstract: |
This study aimed at evaluating the dynamic response of continuous buried pipeline. Under the hypothesis that the soil is a Winkler elastic medium and the pipe can be held to be continuous (welded joints), a numerical model is presented. The model makes it possible to evaluate, with reference to specific boundary conditions and at a generic abscissa, the trend over time of the pipe’s axial and transverse displacements. These can then be used to define the corresponding trends over time of the strains and, hence, the stresses acting on the pipe. In this paper emphasis has been placed on the analysis of axial displacements and strains with reference to steel pipes. The effects of the surrounding soil and the pipe length on the seismic behavior of pipelines are also discussed. Numerical results show that the characteristics of soil as well as the pipe length have a remarkable influence on the pipe seismic response. |
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| Keywords: |
seismic response lifelines numerical models dynamic behavior soil-structure interaction buried pipelines partial differential equations
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