3. Arches and Chains

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  • Опубліковано 8 бер 2018
  • How do arches work? Learn about that, and discover an intriguing relationship between arches and hanging chains. Check out our "Fun with Arches" video at • Fun with Arches . And don't forget to like our video!
    To learn more and to see additional models, go to www.civil.uwaterloo.ca/brodlan...
    You might also like our Beam Bending videos at • 01) Strain in a Beam
    And our statistics videos at / @easystats8758
  • Наука та технологія

КОМЕНТАРІ • 865

  • @andaroo.j
    @andaroo.j 5 років тому +1126

    The point about Gaudi's cathedral is incredible :O

    • @iannoble8626
      @iannoble8626 3 роки тому +16

      First thing that came to my mind when I saw what the video was about. I was there a few years ago, and it was fascinating. (I've been telling/boring people about it ever since.)

    • @fins59
      @fins59 3 роки тому +5

      If ther's one work of art in the entire world I want to see, it's Gaudi's Cathederal.

    • @skya6863
      @skya6863 3 роки тому +3

      @@fins59 good luck. It is quite mindblowing

    • @lezelligfan
      @lezelligfan Рік тому +1

      @@iannoble8626 Well I haven't been in La Sagrada Família but yesterday I passed by the house where he was born. (I just needed to buy some rice and I had absolutely no intention to pass by, I just casually passed trough that street)

    • @hoodio
      @hoodio 11 місяців тому +2

      i was amazed about the model he made, so awesome

  • @ditto7380
    @ditto7380 5 років тому +532

    The narrators voice perfectly spans the gap between interesting and relaxing.

    • @Cheyruz
      @Cheyruz 3 роки тому +16

      For the longest time I wasn't sure if he was actually a text-to-speech programme

    • @theoffspringguy
      @theoffspringguy 3 роки тому +11

      "spans the gap" lol

    • @Elmistermarcus
      @Elmistermarcus 3 роки тому

      @@Cheyruz Is it???

    • @GodsMistake
      @GodsMistake 3 роки тому +10

      If you play his voice backwards it perfectly fits the shape of a hanging chain.

  • @Vitrunis
    @Vitrunis 5 років тому +3037

    Nice, now I can go back playing Polybridge

    • @AngelLestat2
      @AngelLestat2 5 років тому +52

      the best one was "bridge it", but now it is too old.
      I would love a modern complete game in which physics and engineering would be the main topic.

    • @MassDynamic
      @MassDynamic 5 років тому +11

      dude, i was thinking playing the same thing, lol

    • @christofferrasmussen6533
      @christofferrasmussen6533 5 років тому +8

      @@AngelLestat2 Oh, you mean like, idunno, Poly Bridge? *smh*

    • @AngelLestat2
      @AngelLestat2 5 років тому +15

      @@christofferrasmussen6533 I repeat, the best one was "bridge it", search it on internet.
      You had a set of complex levels and free money levels in which you could set free your creativity, the graphics were really good for that time (because it was made in collaboration with nvidia).
      I made all kind of bridges or any kind of kinetic structures, from bridges that submerge under water when a ship pass or a huge wheel of fortune or any type of mechanic structure.
      The construction method and parts where also better than current bridge games.
      But as I said, I would have love a more general physics game, not just related to bridges.

    • @Scubadog_
      @Scubadog_ 5 років тому +1

      @@AngelLestat2 I remember playing Phun and later Algodoo as a kid, but I imagine it's somewhat outdated as well. They also lack any goal or restrictions.

  • @LitoGeorge
    @LitoGeorge 5 років тому +1226

    The upside down chain model is mind blowing to me. Now I have a much better idea how to design my house. Thank you. Real world implications.

    • @brertt8350
      @brertt8350 5 років тому +39

      Pretty sure arches are still kinda complicated if you plan on building it yourself

    • @KingHalbatorix
      @KingHalbatorix 5 років тому +72

      Brertt not for the level of load you would expect in his situation they aren't; at least asuming his house isn't a five story steel, brick and glass monstrosity. designing an arch that can bear a few thousand pounds is possible with nothing more than a rope and some rocks. People have been building arches using these techniques for more than a thousand years, sometimes without any maths involved at all. The romans never had any computer stress modeling or materials science to tell them how much load their substrates could bear, but the aqueducts are still standing today.

    • @birtalanlorant5572
      @birtalanlorant5572 5 років тому +4

      KingHalbatorix Trial and error.

    • @crunch9876
      @crunch9876 5 років тому +1

      Your designing your own house?

    • @crunch9876
      @crunch9876 5 років тому +1

      KingHalbatorix yea. Except his house can be small and it doesn’t change the calculations much over a big 5 story building. City planning will ask for the same calculations

  • @codetech5598
    @codetech5598 5 років тому +691

    Digital computer: construct mesh of finite elements and perform series of calculations to approximate behavior of system.
    Analog computer: hang a chain and add weights.

    • @martiddy
      @martiddy 5 років тому +25

      The simple methods are often the best solutions.

    • @xcyted4now
      @xcyted4now 5 років тому +4

      Why does that first part sound familiar? Avengers endgame?

    • @MindcraftMax
      @MindcraftMax 5 років тому +20

      The thing is, nature perform many complex computations in our place, why not profit instead of recreating an inefficient, complicated and unprecise model?

    • @BestHakase
      @BestHakase 5 років тому +9

      Chain with weights just abuses the computer that runs our simulation. It is always better than our hand-made artificial weak computers!

    • @omermowaffaquejaigirder8889
      @omermowaffaquejaigirder8889 4 роки тому +1

      They constructed those complicated structures without computer

  • @mateomariscal5558
    @mateomariscal5558 5 років тому +923

    This video deserves way more views

    • @onjimana
      @onjimana 5 років тому +1

      not really.

    • @myeq
      @myeq 4 роки тому +1

      You r right😊😊

    • @myeq
      @myeq 4 роки тому +1

      You r right😊😊

    • @graytv-7345
      @graytv-7345 4 роки тому

      It does

    • @troooooper100
      @troooooper100 3 роки тому

      it's worth GOLD

  • @user-he4if8ou4r
    @user-he4if8ou4r 5 років тому +1796

    Why am I watching this?
    But more importantly
    *Why am I enjoying this?*

    • @NikitaSkryabin
      @NikitaSkryabin 5 років тому +33

      because it's pretty interesting material that can teach you something didn't know before? ¯\_(ツ)_/¯

    • @TheCoffeehound
      @TheCoffeehound 5 років тому +14

      Sometimes, you find something that fascinates you. If you pursue it, you might just find that it is your passion. Who knows, you might just become an engineer!

    • @MegaBabyRawr
      @MegaBabyRawr 5 років тому +6

      Because you're an engineer my darling!

    • @TheBehm08
      @TheBehm08 5 років тому +5

      It’s somewhat interesting, the speakers voice is soothing, and you’re bored (guessing the last one)

    • @frankiemanneman9946
      @frankiemanneman9946 5 років тому +2

      also why on earth did i choose this video in particular ?

  • @yuekang6098
    @yuekang6098 5 років тому +381

    The few moments when UA-cam recommendation algorithm actually works. I feel so lucky to have watched this video. Thank you for the amazing work!

  • @ristopaasivirta9770
    @ristopaasivirta9770 5 років тому +256

    Amazing visualization and explanation! Very impressed by the clarity and flow of information.

  • @lenap4956
    @lenap4956 3 роки тому +110

    UA-cam: "wanna know about chains?"
    Me: ....sure

    • @anger_birb
      @anger_birb 3 роки тому

      The UA-cam algorithm gods determine our momentary obsessions now, it seems.

  • @stooncol619
    @stooncol619 5 років тому +84

    Very underrated channel, differently deserves more views

    • @AngelLestat2
      @AngelLestat2 5 років тому

      a channel needs time to obtain subscribers and views. This is a new channel, so if they keep doing videos they would receive the views they deserve.

  • @zabit2005
    @zabit2005 5 років тому +29

    As an civil engineer, I can say that this video was one of the most interesting and awesome one that I had watched for the last couple of years. I remembered the arches and cables were subject of one single unit in structural analysis book and we had learned they behaved just opposite. But, I did not remember so many fun fact about arches. This video was like a poem. 👍🏻👍🏻👍🏻👏🏻👏🏻👏🏻

  • @martiddy
    @martiddy 5 років тому +114

    I know almost nothing about architecture, but I genuinely enjoy this.

    • @lewisheasman
      @lewisheasman 4 роки тому +13

      Pretty sure architecture is the design and the engineering makes it work

    • @AyedYoutube
      @AyedYoutube 4 роки тому +9

      Architects are those who gives engineers headaches 👊😎

  • @wj11jam78
    @wj11jam78 5 років тому +36

    No clue why this was suggested to me, but it was incredibly interesting, informative, and well explained.
    The parallel between arches and chains was NEVER something I would think of, but it's so perfect!
    I'll probably watch some more of these guy's videos after this.

  • @artemstupin6668
    @artemstupin6668 5 років тому +105

    one of the most interesting videos of the whole UA-cam! thanks to the authors of the video!

  • @mikumikuareka
    @mikumikuareka 5 років тому +44

    4:40
    When I saw a side to side comparison I suddenly understood how the light bulb in the head feels like

  • @VRebuli
    @VRebuli 4 роки тому +3

    I literally have a Master's degree in Structural Engineering, and though I have studied catenaries and arches, I had never heard of the chain test before. It simple, elegant, beautiful! Thank you for that!

  • @snupmadra3787
    @snupmadra3787 9 місяців тому

    That's a once in 5 year video that blows your mind with how interesting it is!

  • @PiotrekPomorski
    @PiotrekPomorski 5 років тому +5

    I've recently been in Barcelona and visited La Sagrada Familia and La Casa Milla. I saw the exact chain model that Antoni Gaudi used. It's a remarkable piece of engineering and creativity from his side! I loved this video so much more because of this, keep it up!

  • @frankligas2249
    @frankligas2249 5 років тому +21

    Request: Great learning material. Schools run by local governments require replay of such material to have Creative Commons Attribution instructions sited in the video description or in the video itself. I request that you update your description of your videos and all future videos to make it easier for teachers to give you attribution, and legally use your videos in classrooms.
    Thanks for the video.

  • @janka1298
    @janka1298 18 днів тому

    I'm just stunned by the fact that this information is totally free to public! as an engineer (I'm software engineer) I always try to find educating books/videos on how things work. thank you so much for your work!

  • @dbayboyds409
    @dbayboyds409 5 років тому +16

    What a beautifully simple video. It takes a deep understanding to explain something so clearly. Thank you!

  • @ymc3168
    @ymc3168 5 років тому +26

    Hope you can make another video about pointed arches used in the Gothic cathedrals.

    • @aneeshgupta2968
      @aneeshgupta2968 5 років тому

      YM C they have! It’s no. 5 in their playlist

    • @ymc3168
      @ymc3168 5 років тому +1

      @@aneeshgupta2968 Yes, I've watched that video. It introduces buttresses and flying buttresses, but not pointed arches. But thank you all the same.

  • @jaykenarn6223
    @jaykenarn6223 3 роки тому

    Got introduced to these series because of my assignment regarding Gothic architecture. Glad I stayed

  • @juanchetumare
    @juanchetumare 3 роки тому +1

    These videos are pure gold, and it shows that they were made with passion. Thanks for your work.

    • @engineeringmodels
      @engineeringmodels  3 роки тому +2

      Thank you! And, yes, they were done with passion, much of that deriving from the wonderful students I taught over the years.

  • @marcovillalobos5177
    @marcovillalobos5177 11 місяців тому

    I can barely describe the amount of joy I got from watching. Thank you so much ❤

  • @rorystockley5969
    @rorystockley5969 5 років тому +75

    I get the feeling that all mysteries can be solved through hanging chains.

    • @wurlmon5191
      @wurlmon5191 3 роки тому +4

      And all the problems one has can be solved with a hanging rope.

    • @IIStaffyII
      @IIStaffyII 3 роки тому +3

      Maybe string theory should swap for chain theory and it would be solved in no time?
      Who know certainly not me I don't know shit about quantum mechanics.

    • @IIStaffyII
      @IIStaffyII 3 роки тому

      @@wurlmon5191 Ooh that's dark.

    • @danwdllg8221
      @danwdllg8221 3 роки тому +2

      @@wurlmon5191 Im laughing way more than i should at this xD

    • @ranfonaforanafo1601
      @ranfonaforanafo1601 3 роки тому +1

      @@wurlmon5191 that escalated way too quick

  • @sallybradshaw4576
    @sallybradshaw4576 4 роки тому

    I always loved going under the Natchez Trace bridge on the way to Nashville! Thanks for bringing up a delightful memory!

  • @vitezslavstembera854
    @vitezslavstembera854 8 місяців тому

    Amazing presentation!

  • @Kaardoron
    @Kaardoron 5 років тому +12

    Thank you! Very eye-opening. Sat here and kept saying 'Wow' to myself throughout the whole video :P

  • @ElaijahModarro
    @ElaijahModarro 10 місяців тому

    Absolutely amazing and clear demonstration, this is a masterclass on how to get the point across the most illuminating way possible, a lesson for every teacher.

  • @Zapper1993
    @Zapper1993 3 роки тому +36

    It's fun seeing these models and being like "Yeah, that just feels right"

  • @user-vd4iw1il7q
    @user-vd4iw1il7q 9 місяців тому

    This is brilliant and insightful! Thanks

  • @edtsch
    @edtsch 5 років тому +19

    That was awesome! Well done, fun to watch and informative.

  • @louie99999
    @louie99999 5 років тому +11

    I will never look at the world the same. Thank you!

  • @dtstar331
    @dtstar331 5 років тому +25

    Actually, a catenary is more similar to a graph of hyperbolic cosine than a parabola
    In fact, cosh may actually be describing the catenary if I remember correctly

    • @shift4156
      @shift4156 5 років тому +3

      absolutely

    • @planterion7969
      @planterion7969 Рік тому

      Yes, a parabola is a very rough approximation, I think the hyperbolic cosine is actually exactly the chain shape

  • @XepptizZ
    @XepptizZ 5 років тому

    The chain test is now something I have committed to memory and will try to never forget.

  • @simitrajwadi9763
    @simitrajwadi9763 4 роки тому +1

    I think this series is incredible and much needed. I had trouble understanding many of these concepts in architecture school, we could have used videos like these. Keep up the amazing work.

  • @nhh49
    @nhh49 5 років тому +11

    That's the basics?? Great video, very well explained.

  • @AliHSyed
    @AliHSyed 3 роки тому

    Such an elegant description... Thanks for the great lecture and the visual aids.

  • @Jared-vq4zy
    @Jared-vq4zy 3 роки тому

    The fact that there were people hundreds or even thousands of years ago who knew about this principle and used it in building is mind blowing to me. I wonder how much practical knowledge we could obtain just by looking at the past, and seeing how our ancestors solved problems.

  • @quintonashley5745
    @quintonashley5745 5 років тому +2

    High quality 4k video! Great job!

  • @rumiazhari7387
    @rumiazhari7387 3 роки тому +1

    This video definitely deserves more views.

  • @EvoKeremidarov
    @EvoKeremidarov 5 років тому

    First time I come across this channel and I am really glad I did.. I've learned so much from this video and the video it self was made so well with great examples and no unnecessary time wasting ... thank you

  • @usermanico
    @usermanico 3 роки тому

    This is pure gold. Definitely needs to be on youtube frontpage

  • @patriciovente7049
    @patriciovente7049 5 років тому

    Something of so complex application and use, explained in a so simple and understandable way. Absolutely fantastic!!!! Greetings from Paraguay!

  • @jabelsjabels
    @jabelsjabels 3 роки тому

    whoa that upside down chain to right-side up arch is super cool! And that model for the basilica is beautiful, I really want to see that in person now

  • @olegustymchuk8106
    @olegustymchuk8106 5 років тому +3

    It's just me or recommendations are gets better?
    great series btw, looking forward to watch all of it

  • @KevinMarquette
    @KevinMarquette 5 років тому +1

    That relationship to arches and chains was completely new to me. I love the way you presented the information and I learned quite a bit from this. Thank you

    • @valshaped
      @valshaped 5 років тому

      For my intro Calculus class, I *almost* did a project on catenary arches, but, for that level, we hadn't learned all of the necessary things. I got totally blown away by integration, and ended up changing my project to something convoluted.

  • @abdullaht.3607
    @abdullaht.3607 3 роки тому +1

    Really awesome channel that shows what we have studied in textbooks.
    Big thanks to all who worked on these videos

  • @hsienjungtsai3048
    @hsienjungtsai3048 5 років тому +9

    the channel is so informative and well made, also thanks the youtube recommendations brought me here

  • @maclo97
    @maclo97 5 років тому

    Amazing use of visual aid! Excellent video.

  •  5 років тому +9

    Thank you for recommending this video to me, youtube algorithm.

    • @renzo00
      @renzo00 3 роки тому

      Woah, uamee! Hey there!

  • @thomaslotito380
    @thomaslotito380 5 років тому

    I've always been fascinated with the Bayonne bridge. Now I understand how it holds up the road way without collapsing. Thank you for this engineering lesson.

  • @ashleypenn7845
    @ashleypenn7845 10 місяців тому

    Perfect for our homeschool unit on the architecture of ancient Rome! Thanks so much!

  • @theghostmachine
    @theghostmachine 5 років тому

    I'm so happy I found this video, and even more delighted that this was made in Waterloo.

  • @jannovak6987
    @jannovak6987 8 місяців тому

    this was the best video I've ever seen

  • @Winner632
    @Winner632 3 роки тому

    I did not realize how similar yet remarkably different arches and chains were. This is an incredible video, and it is very well made.

  • @education.online_frevryone
    @education.online_frevryone 10 місяців тому

    Just subscribed. Love the way how the channel builds the models to explain the concepts!

  • @EdwardKilner
    @EdwardKilner Рік тому

    Always nice to see my university funding videos of this high quality.

  • @AbhijeetKumarThakur1729
    @AbhijeetKumarThakur1729 5 років тому

    This channel should have atleast a million subscribers.

  • @stuartdoyle99
    @stuartdoyle99 2 роки тому

    I was interested to find out about how ancient arches were created and I’m really glad I came across this! Thank you!

  • @TitanFrost
    @TitanFrost 5 років тому

    Really easy to understand, thank you for the vid. I never new I wanted to know this much about arches, chains, and bridges. Fascinating!

  • @nz1229
    @nz1229 Рік тому

    Great channel - thank you for the very practical engineering concepts!

  • @Vinkie
    @Vinkie 5 років тому

    Amazingly clear and informative video. Thanks for sharing!

  • @theprophetez1357
    @theprophetez1357 3 роки тому

    Thanks for the chain demo, and making this so easy to understand.

  • @chandlersupple3553
    @chandlersupple3553 5 років тому +5

    That was way more interesting than I thought it would be!

  • @augustinglenn
    @augustinglenn 5 років тому

    Wow! Very informative. The practical demonstration made it even easier to understand

  • @rhishijoshi
    @rhishijoshi 3 роки тому

    This is a great explanation of how arches work... Thank you!

  • @denizucer578
    @denizucer578 3 роки тому

    Thanks for sharing for free. Well explained and illustrated.

  • @mvmlego1212
    @mvmlego1212 3 роки тому

    That was some REALLY old-school presentation style. I'm not complaining, though. It makes me a little nostalgic, and the video was very informative.

  • @banksarenotyourfriends
    @banksarenotyourfriends 5 років тому +2

    That Chain Test stuff is fantastic. I learned something today, thank you.
    I'm liking and commenting in the hope that your channel will continue to be promoted by the UA-cam algorithm. This channel is great :)

  • @mahxylim7983
    @mahxylim7983 5 років тому

    A fantastic new point of view! Brilliant explanation!

  • @ingGS
    @ingGS 3 роки тому

    I am so glad to have discovered this channel. Good job guys!

  • @taufanali3170
    @taufanali3170 4 роки тому +1

    Amazingly concise and comprehensive videos props to you guys

  • @SomeoneCommenting
    @SomeoneCommenting 5 років тому

    Amazing, I learned some new stuff that I didn't knew. Especially the thing about the upside down trick and how thick vs thin arch makes a huge difference.

  • @Bloomio95
    @Bloomio95 Рік тому

    Excellent and thorough explanation! Thank you very much

  • @sakoupa
    @sakoupa 3 роки тому

    Priceless video !!!
    THANK YOU !

  • @Weincraft
    @Weincraft 5 років тому

    Anything explained well is a treat! Thanks.

  • @rhejamphi
    @rhejamphi 4 роки тому

    This was incredibly good. More of this.

  • @JettyBuilder
    @JettyBuilder 4 роки тому +1

    I had a great education in Civil Engineering at Heriot Watt University but I can tell you that I Learned a lot via the models used in your videos. It seems so clear using chains but I never heard of that analogy before. What you are showing is that as soon as the arch blocks see eccentric loading then the joints try to go into tension and rapidly fail.

  • @smallweinersteve8808
    @smallweinersteve8808 3 роки тому

    im so happy i found this gem, was doing research for my upcoming presentation on the basics of bridge building, thanks alot

  • @annoykumarghosh7463
    @annoykumarghosh7463 3 роки тому

    I am a civil engineer and found it Beautiful...in other word awesome....totally loved it... Thanks very much

  • @iacsse6381
    @iacsse6381 5 років тому

    Thank you sir, for both teaching by using the common vocabulary words and simply explain the important point.

  • @pledgestone
    @pledgestone 5 років тому +1

    I didn't know about the 'chain test'. Thank you. Great video!

  • @thegeneralissimo470
    @thegeneralissimo470 3 роки тому

    I never knew that about Gaudi. Fascinating. Thanks.

  • @cognitor900
    @cognitor900 5 років тому +1

    As an aficionado of any Roman arch I’ve always been curious as to whether there ever could be a fast and simple gauge of any planned arch’s holding capacities..... AND THE CHAIN TEST IS THE WINNER!!! I don’t suppose that anyone knows where and when the chain test was “discovered”?
    Thanks again and please keep publishing this terrific series with any new material.

  • @riteshbadhani2625
    @riteshbadhani2625 5 років тому

    thank you . great efforts by engineering models. really appreciable.

  • @emorag
    @emorag 5 років тому

    Excellent video! Thank you for your work.

  • @matteosantucci1122
    @matteosantucci1122 5 років тому

    An excellent explanation, with a very well made video such very few on here. Great job!

  • @virgilgleason459
    @virgilgleason459 2 роки тому

    Well done! Thank you. I am planning on stone arches in my build, and this helped.

  • @myouounoanjii
    @myouounoanjii 2 роки тому

    Very interesting topic! I'm trying to learn how to build a dry stone arch, so this is just gold.

  • @fabriziorivasbeltrame3248
    @fabriziorivasbeltrame3248 3 роки тому

    This video is very well done, thanks for sharing your knowledge

  • @pedroortiz4755
    @pedroortiz4755 5 років тому

    Just wow!!!! I’m amazed by this contribution! Thanks.

  • @dv729
    @dv729 4 роки тому

    Beautifully explained !!

  • @Dial8Transmition
    @Dial8Transmition 3 роки тому

    It never ceases to amaze how brilliant and smart some humans are

  • @jacquesoquinn7790
    @jacquesoquinn7790 3 роки тому

    A friend and I are making a cob roundhouse and this knowledge will be very useful to us! great video.

  • @FatihKarakurt
    @FatihKarakurt 5 років тому

    Great explanation, presentation of correspondence between arches and chains.

  • @Ndoda71
    @Ndoda71 5 років тому

    Wow this is so informative it should be recommended to every person on UA-cam because I think even people who are not interested in engineering can enjoy and understand these.

  • @splean75
    @splean75 4 роки тому

    Fantastic video, thanks for posting! Very well done.