Chapter
Apr 26, 2012
Flowable Fill and the Ridges Basin Inlet Conduit
Authors: Amster Howard AmsterHoward.com, [email protected] and Linda Bowles [email protected]Author Affiliations
Publication: Pipelines 2008: Pipeline Asset Management: Maximizing Performance of our Pipeline Infrastructure
Abstract
Flowable fill was used as the embedment material for an 84-inch diameter corrugated metal pipe (CMP) casing subsequently backfilled with 40-feet of cover. While the Bureau of Reclamation frequently uses flowable fill for pipe embedment, this particular installation was carefully monitored because of the unusually high depth of cover. The space between the casing and the 72-inch carrier pipe meant only minimal pipe deflection could be tolerated. Backfilling over the pipe started one week after the flowable fill was placed. Pipe diameter measurements were made after placement of the flowable fill and before backfilling, and then again 4.5 years later. The pipe deflection was insignificant.
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Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Backfills
- Basins
- Bodies of water (by type)
- Channels (waterway)
- Conduits
- Construction engineering
- Construction methods
- Earth materials
- Embedment
- Excavation
- Fills
- Geomaterials
- Geotechnical engineering
- Hydraulic engineering
- Hydraulic structures
- Infrastructure
- Inlets (waterway)
- Joints
- Pipe materials
- Pipe sizes
- Pipeline systems
- Pipes
- Structural engineering
- Structural members
- Structural systems
- Water and water resources
- Water management
- Waterways
Authors
Affiliations
Civil Engineering Consultant, 1562 S Yank St, Lakewood CO 80228. E-mail: AmsterHoward.com, [email protected]
Civil Engineer, US Bureau of Reclamation, Denver CO. E-mail: [email protected]
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