Chapter
Apr 26, 2012
Innovative Engineering of a Pipeline through an Active Landslip
Publication: Pipelines 2009: Infrastructure's Hidden Assets
Abstract
This paper describes the challenges faced when constructing 600m of strategic pipeline on the Isle of Wight through an area of active landslip. The project comprised a new 150mm diameter, 3km pipeline through fields and public highway connecting to the existing distribution network and a new booster pumping station. The geology of the island is quite complex, with many known areas of landslipping on the south coast. The available route for the pipeline was such that there was no alternative but to construct the pipeline for part of its length through an area of landslips. The slip planes are approximately 3m below ground surface, with a predicted movement of approximately 10mm per year. The final solution was to hang a welded pipeline down the slope, and embed it in expanded polystyrene balls. This was done to ensure that any future slippages didn't place high loads onto the pipeline.
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Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Business management
- Construction engineering
- Construction management
- Geohazards
- Geotechnical engineering
- Infrastructure
- Innovation
- Landslides
- Pipe networks
- Pipe sizes
- Pipeline systems
- Pipelines
- Pipes
- Practice and Profession
- Project management
- Pumping stations
- Transportation engineering
- Transportation management
- Transportation networks
- Water and water resources
- Water management
- Water supply
- Water supply systems
Authors
Affiliations
MWH, 201 Amersham Road, High Wycombe Bucks HP13 5AJ, UK.E-mail: [email protected]
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