EP #077: Concrete Tension - The Strength of Post-Tensioning

In this episode, Seth interviews Neel Khosa from AMSYSCO, a post-tensioning supplier, to introduce post-tensioning and its history. Post-tensioning is a form of concrete reinforcement that uses high-strength steel cables inside concrete. It is about five times stronger than conventional rebar and is used in pre-stressed concrete.

Unbonded post-tensioning is the standard for high-rise construction and large concrete structures in the US. The advantages of post-tensioning include material savings, reduced construction time, improved seismic behavior, and reduced deflections and vibrations. The future of post-tensioning includes its use in office buildings and the development of new systems.

Takeaways

• Post-tensioning is a form of concrete reinforcement that uses high-strength steel cables inside concrete.
• Unbonded post-tensioning is the standard for high-rise construction and large concrete structures in the US.
• Post-tensioning offers material savings, reduced construction time, improved seismic behavior, and reduced deflections and vibrations.
• The future of post-tensioning includes its use in office buildings and the development of new systems.

Chapters

00:00 Introduction to Post-Tensioning

03:32 History of Post-Tensioning

05:09 Unbonded Post-Tensioning

11:21 Importance of Visual Representation of Post-Tensioning

12:17 Advantages of Post-Tensioning

16:15 Basic Engineering of Post-Tensioning

18:25 Fundamental Description of Post-Tensioning

20:37 Stressing Ends and Pulling Cables

23:19 Origin of Post-Tensioning

25:23 Post-Tensioning in High-Rise Buildings

30:01 Future Developments in Post-Tensioning

35:24 Conclusion and Contact Information

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Episode References

Guest: Neel Khosa | AMSYSCO |  ⁠[email protected]

Guest Website:⁠ https://amsyscoinc.com

 

Producers: Jodi Tandett, Jace Stocker

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