How Prestressing Works! (Structures 6-4)
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2021-05-31に共有
I'm Paul Kassabian. I'm a structural engineer and a Principal at SGH in Boston, MA. I taught graduate students at MIT for nine years and currently teach on/off at Harvard's Graduate School of Design (GSD). These are videos based on my years of teaching structures to students.
コメント (21)
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One of the best vids ive seen as a structural engineer.
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i've came across different videos explaining Prestressing concrete and this is remarkable way of explaining things. that's an art and wisdom many don't have.
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Thank you Paul, this Structures series was space bending and mind blowing! We can only be greatful for your clearness knowledge and passion. Cheers!
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In a guitar neck we call that a "truss rod" and it counters the effect of the string tension. Great vids BTW.
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Complex principles explained so easy and clear.
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excellent video! i'm very much enjoying all of them! this one reminded me of the shape of a truck's set of leaf spring, specifically the way its curved.
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Love these, thank you!
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thank you for making these videos! your videos helped me.
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Hi Paul!
I was looking for a video on bridges and you popped up.
I watched a video, then another, then all of them and just had to subscribe.
Brilliant work, love your explanations and can´t wait for more!
Thanks and take care! -
Obrigado pela aula, Professor!
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That's a great explanation. Thank you
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Well explained and understandable
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A thing that doesn’t quite make sense to me yet is why when we have a bending moment in the opposite direction (up) we don’t cause the concrete the fail in that direction while we’re waiting for the load to be added. Is there a danger of a structure like this failing if you remove load? Or if you are building it and haven’t added a load yet?
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I've watched this video multiple times to get a better understanding of it. Thank you for what you do!
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I'm new to this channel, and I'm really enjoying it so far. Thank you for providing such great content. I have a small request, though. Would it be possible for you to create a video discussing poststressing reinforcement? pleaseeeee It would be greatly appreciated. thank you
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Excellent video! 👏👌
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I've just watched all your videos, they are excellent, you know how to teach and this is very rare actually. Thanks for all the knowledge, please do more. 😀
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Feedback: props are great. A pack of card and them tied or pretensioned is great. For a beam try using a foam and for tendons use an elastic band. Pass a tendon through a foam beam.
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Thanks a lots Paul, after 20 years I am learning again with new zeal and enthusiasm as if doing my engineering again. Kudos to your absorbing vedios.
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the deck of cards was an excellent example. I'm going to have to remember that one.