| Issue |
Rev. Fr. Geotech.
Number 86, 1999
|
|
|---|---|---|
| Page(s) | 3 - 7 | |
| DOI | https://doi.org/10.1051/geotech/1999086003 | |
| Published online | 09 October 2017 | |
Fixation par ancrages d’une canalisation de gaz enterrée dans un terrain inondable
A gas pipeline buried in flooded soil held with anchorage
1 LMS-G3S École polytechnique 91128 Palaiseau Cedex, France.
2 GDF, Direction de la Recherche 361, av. du Président-Wilson 93211 La Plaine-Saint-Denis Cedex, France.
3 GDF, DPT Centre National d’Équipement 5, rue Pierre-Bérégovoy 92111 Clichy, France.
Une nouvelle canalisation de transport de gaz naturel de diamètre 1 100 mm, enterrée dans une zone inondable pendant la saison d’hiver, a été fixée par des ancrages en kevlar afin de s’opposer à la remontée due à la poussée d’Archimede. L’économie de la méthode, comparée au lestage par cavalier de béton, a été d’environ 15 % par rapport au coût total des travaux de pose.
Abstract
A large diameter new gas pipeline buried in a flooded area during the winter season has been held with kevlar anchorage to prevent uplift pipe movement due to buoyancy. This method is much less expensive than placing additional weight on the pipeline. The saving was about 15 % of the total cost of the laying of the pipeline.
© CFMS-CFGI-CFMR-CFG 1999
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