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   What is a tremie used for?

   • A tremie is used to pour concrete underwater in a way that avoids washout of cement from the mix due to turbulent water contact with the concrete while it is flowing. This produces a more reliable strength of the product. Common applications include the following.

   Tremie - Wikipedia

   en.wikipedia.org/wiki/Tremie

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   What is a concrete tremie?

   • It may have a loose plug or a valve at the bottom end. A tremie is used to pour concrete underwater in a way that avoids washout of cement from the mix due to turbulent water contact with the concrete while it is flowing. This produces a more reliable strength of the product.

   Tremie - Wikipedia

   en.wikipedia.org/wiki/Tremie

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   Can tremie concrete be used for deep foundations?

   • The principles of this Guide apply to tremie concrete for deep foundations but may also be applied for other forms of deep foundations (e.g. continuous flight auger piling). The Guide addresses design considerations including concrete rheology, mix design, reinforcement detailing, concrete cover and good practice rules for placement.

   Best Practice Guide to Tremie Concrete for Deep Foundations - EFFC

   www.effc.org/content/uploads/2018/02/4-Tremie-Guide-ed2-FINAL-DRAFT-FOR-REVIEW_2Feb2018.pdf

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   How does a concrete tremie work?

   • As the tremie is lowered to the bottom of the form, water pressure holds the plate tightly in position. Then the pipe and hopper are filled. The plate retaining wire is released if it is single, or withdrawn if it is double, and the tremie is raised about 4 to 6 inches from the bottom of the form, allowing the concrete to flow into place.

   Placing Concrete Under Water| Concrete Construction Magazine

   www.concreteconstruction.net/how-to/materials/placing-concrete-under-water_o

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2. www.effc.org › content › uploadsGuide to Tremie Concrete for Deep Foundations - EFFC

   www.effc.org › content › uploads

   1. General. 1.1 Background. 1.2 Purpose and Scope. 2. Design Considerations Impacting Concrete Flow. 2.1 General. 2.2 Clear Reinforcement Spacing. 2.3 Concrete Cover. 3. Properties of Tremie Concrete. 3.1 General. 3.2 Rheology and Workability. 3.3 Concrete Stability. 8. 11. 13. 14. 16. 17. 18.

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3. en.wikipedia.org › wiki › TremieTremie - Wikipedia

   en.wikipedia.org › wiki › Tremie

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   A tremie is used to pour concrete underwater in a way that avoids washout of cement from the mix due to turbulent water contact with the concrete while it is flowing. This produces a more reliable strength of the product. Common applications include the following.

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5. theconstructor.org › concrete › underwater-concretingUnderwater Concreting Methods- Tremie Method Process and ...

   theconstructor.org › concrete › underwater-concreting

   Learn about different methods of underwater concreting, such as tremie method, pumping technique, hydro valve method, and more. See the advantages, disadvantages, and typical arrangements of each method.

6. www.concreteconstruction.net › tremie-concrete_oTremie Concrete| Concrete Construction Magazine

   www.concreteconstruction.net › tremie-concrete_o

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   Learn how to place concrete under water using the tremie method, which involves gravity feed from a hopper through a vertical pipe. Find out the advantages, requirements and techniques of this common and expeditious way of underwater concreting.

7. www.effc.org › content › uploadsBest Practice Guide to Tremie Concrete for Deep Foundations

   www.effc.org › content › uploads

   2.1 General. 2.2 Clear Reinforcement Spacing. 2.3 Concrete Cover. Properties of Tremie Concrete. 3.1 General. 3.2 Rheology and Workability. 3.3 Concrete Stability. Mix Design. 4.1 Introduction. 4.2 Mix Design Considerations. 4.3 Materials.

8. Videos

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     Tremie-Pour Concrete - Truline Installation Video Series

     May 6, 2019

     33.4K Views

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     Underwater Concreting using Tremie Concrete Placing Method

     Aug 3, 2018

     11.9K Views

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     Infrastructure Projects - f class 4 lecture part 2 - Tremie Concrete Introduction

     May 31, 2014

     18.9K Views

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9. www.effc.org › content › uploadsEFFC/DFI Best Practice Guide to Tremie Concrete for Deep ...

   www.effc.org › content › uploads

   1. General. 1.1 Background. 1.2 Purpose and Scope. 2. Design Considerations Impacting Concrete Flow. 3. rheology of Tremie Concrete. 3.1 General. 3.2 Rheology. 4. Mix Design. 4.1 Introduction. 4.2 Mix Design Considerations. 4.3 Materials. 4.4 Proportioning and Production. 5. 7. 9. 11. 13. 14. 15. 17. 20. 6. execution. 6.1 General.

10. www.concreteconstruction.net › how-to › materialsPlacing Concrete Under Water - Concrete Construction

    www.concreteconstruction.net › how-to › materials

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    Learn how to use a tremie, a vertical steel pipeline with a watertight seal at its tip, to place concrete under water without disturbing it. Avoid common causes of stoppage and ensure continuity of placement between the construction joints.