Tremie
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The Tremie concrete placement method uses a Tremie Pipe, through which concrete is placed below water level. The lower end of the Tremie Pipe is kept immersed in fresh concrete so that the rising concrete from the bottom displaces the water without washing out the cement content.
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[edit] Applications
[edit] Caissons
Concrete is often poured through a Tremie Pipe in order to build caissons, which are the foundations of, among other things, bridges that span bodies of water.
[edit] Monitoring wells
Tremie methods are employed for materials other than concrete, and for industries other than construction. For example, bentonite slurries for monitoring wells are often emplaced via tremie pipe.[1]
[edit] References
- ^ Nielsen, David, ed. (1991). [ISBN 0-87371-124-6 Practical handbook of ground-water [sic] monitoring]. CRC Press LLC. p. 321. ISBN 0-87371-124-6. ISBN 0-87371-124-6. "In wells more than about 50 feet deep, granular bentonite may be mixed with water and conveyed through a tremie pipe from the surface directly to its intended depth in the annulus; pelletized bentonite is not effectively installed through tremie pipes."
[edit] External links
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