3. Arches and Chains

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  • čas přidán 8. 03. 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
  • Věda a technologie

Komentáře • 863

  • @Vitrunis
    @Vitrunis Před 5 lety +3036

    Nice, now I can go back playing Polybridge

    • @AngelLestat2
      @AngelLestat2 Před 5 lety +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 Před 5 lety +11

      dude, i was thinking playing the same thing, lol

    • @christofferrasmussen6533
      @christofferrasmussen6533 Před 5 lety +8

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

    • @AngelLestat2
      @AngelLestat2 Před 5 lety +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_ Před 5 lety +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      @@AngelLestat2 I remember playing Phun and later Algodoo as a kid, but I imagine it's somewhat outdated as well.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.

  • @ditto7380
    @ditto7380 Před 5 lety +532

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

    • @Cheyruz
      @Cheyruz Před 4 lety +16

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

    • @howtoliveonearthYT
      @howtoliveonearthYT Před 4 lety +11

      "spans the gap" lol

    • @Elmistermarcus
      @Elmistermarcus Před 4 lety

      @@Cheyruz Is it???

    • @GodsMistake
      @GodsMistake Před 4 lety +10

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

  • @andaroo.j
    @andaroo.j Před 5 lety +1125

    The point about Gaudi's cathedral is incredible :O

    • @iannoble8626
      @iannoble8626 Před 4 lety +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 Před 4 lety +5

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

    • @skya6863
      @skya6863 Před 4 lety +3

      @@fins59 good luck. It is quite mindblowing

    • @bow-89
      @bow-89 Před rokem +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 Před rokem +2

      i was amazed about the model he made, so awesome

  • @LitoGeorge
    @LitoGeorge Před 5 lety +1225

    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 Před 5 lety +39

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

    • @KingHalbatorix
      @KingHalbatorix Před 5 lety +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 Před 5 lety +4

      KingHalbatorix Trial and error.

    • @crunch9876
      @crunch9876 Před 5 lety +1

      Your designing your own house?

    • @crunch9876
      @crunch9876 Před 5 lety +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 Před 5 lety +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 Před 5 lety +25

      The simple methods are often the best solutions.

    • @xcyted4now
      @xcyted4now Před 5 lety +4

      Why does that first part sound familiar? Avengers endgame?

    • @MindcraftMax
      @MindcraftMax Před 5 lety +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 Před 5 lety +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 Před 4 lety +1

      They constructed those complicated structures without computer

  • @yuekang6098
    @yuekang6098 Před 5 lety +380

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

  • @user-he4if8ou4r
    @user-he4if8ou4r Před 5 lety +1795

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

    • @NikitaSkryabin
      @NikitaSkryabin Před 5 lety +33

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

    • @TheCoffeehound
      @TheCoffeehound Před 5 lety +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 Před 5 lety +6

      Because you're an engineer my darling!

    • @TheBehm08
      @TheBehm08 Před 5 lety +5

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

    • @frankiemanneman9946
      @frankiemanneman9946 Před 5 lety +2

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

  • @mateomariscal5558
    @mateomariscal5558 Před 5 lety +922

    This video deserves way more views

  • @ristopaasivirta9770
    @ristopaasivirta9770 Před 5 lety +255

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

  • @zabit2005
    @zabit2005 Před 5 lety +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 Před 5 lety +114

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

    • @lewisheasman
      @lewisheasman Před 4 lety +13

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

    • @AyedYoutube
      @AyedYoutube Před 4 lety +9

      Architects are those who gives engineers headaches 👊😎

  • @lenap4956
    @lenap4956 Před 4 lety +109

    CZcams: "wanna know about chains?"
    Me: ....sure

    • @anger_birb
      @anger_birb Před 4 lety

      The CZcams algorithm gods determine our momentary obsessions now, it seems.

  • @stooncol619
    @stooncol619 Před 5 lety +84

    Very underrated channel, differently deserves more views

    • @AngelLestat2
      @AngelLestat2 Před 5 lety

      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.

  • @wj11jam78
    @wj11jam78 Před 5 lety +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.

  • @mikumikuareka
    @mikumikuareka Před 5 lety +44

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

  • @artemstupin6668
    @artemstupin6668 Před 5 lety +105

    one of the most interesting videos of the whole CZcams! thanks to the authors of the video!

  • @VRebuli
    @VRebuli Před 4 lety +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!

  • @Zapper1993
    @Zapper1993 Před 4 lety +35

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

  • @janka1298
    @janka1298 Před měsícem

    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!

  • @jaykenarn6223
    @jaykenarn6223 Před 3 lety

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

  • @PiotrekPomorski
    @PiotrekPomorski Před 5 lety +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!

  • @dbayboyds409
    @dbayboyds409 Před 5 lety +16

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

  • @marcovillalobos5177
    @marcovillalobos5177 Před rokem

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

  • @louie99999
    @louie99999 Před 5 lety +11

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

  • @Kaardoron
    @Kaardoron Před 5 lety +12

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

  • @usermanico
    @usermanico Před 3 lety

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

  • @XepptizZ
    @XepptizZ Před 5 lety

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

  • @frankligas2249
    @frankligas2249 Před 5 lety +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.

  • @juanchetumare
    @juanchetumare Před 4 lety +1

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

    • @engineeringmodels
      @engineeringmodels  Před 4 lety +2

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

  • @rumiazhari7387
    @rumiazhari7387 Před 4 lety +1

    This video definitely deserves more views.

  • @ElaijahModarro
    @ElaijahModarro Před 11 měsíci

    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.

  • @Jared-vq4zy
    @Jared-vq4zy Před 3 lety

    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.

  •  Před 5 lety +9

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

    • @renzo00
      @renzo00 Před 3 lety

      Woah, uamee! Hey there!

  • @AbhijeetKumarThakur1729

    This channel should have atleast a million subscribers.

  • @EdwardKilner
    @EdwardKilner Před rokem

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

  • @mvmlego1212
    @mvmlego1212 Před 4 lety

    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.

  • @snupmadra3787
    @snupmadra3787 Před 10 měsíci

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

  • @rorystockley5969
    @rorystockley5969 Před 5 lety +75

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

    • @wurlmon5191
      @wurlmon5191 Před 3 lety +4

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

    • @IIStaffyII
      @IIStaffyII Před 3 lety +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 Před 3 lety

      @@wurlmon5191 Ooh that's dark.

    • @danwdllg8221
      @danwdllg8221 Před 3 lety +2

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

    • @ranfonaforanafo1601
      @ranfonaforanafo1601 Před 3 lety +1

      @@wurlmon5191 that escalated way too quick

  • @ashleypenn7845
    @ashleypenn7845 Před 11 měsíci

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

  • @smile768
    @smile768 Před rokem

    Absolutely amazing! That part when you rotated the asymmetric hanging arch and added the weights was mind blowing.

  • @edtsch
    @edtsch Před 5 lety +19

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

  • @simitrajwadi9763
    @simitrajwadi9763 Před 4 lety +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.

  • @jabelsjabels
    @jabelsjabels Před 4 lety

    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

  • @chandlersupple3553
    @chandlersupple3553 Před 5 lety +5

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

  • @annoykumarghosh7463
    @annoykumarghosh7463 Před 4 lety

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

  • @nhh49
    @nhh49 Před 5 lety +10

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

  • @Dial8Transmition
    @Dial8Transmition Před 4 lety

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

  • @mickyr171
    @mickyr171 Před 5 lety +13

    I love when youtube recommends something interesting, get sick of hearing about what celebrity did what this week lol

  • @jakubkowalczyk3310
    @jakubkowalczyk3310 Před 4 lety +1

    I am glad for the algorithm for bringing me here.

  • @KevinMarquette
    @KevinMarquette Před 5 lety +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 Před 5 lety

      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.

  • @hsienjungtsai3048
    @hsienjungtsai3048 Před 5 lety +9

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

  • @funny-video-YouTube-channel

    Free Arch Building Lesson :-)
    Internet is perfect for free education :-)

  • @ymc3168
    @ymc3168 Před 5 lety +26

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

    • @aneeshgupta2968
      @aneeshgupta2968 Před 5 lety

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

    • @ymc3168
      @ymc3168 Před 5 lety +1

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

  • @abdullaht.3607
    @abdullaht.3607 Před 3 lety +1

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

  • @AliHSyed
    @AliHSyed Před 4 lety

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

  • @olegustymchuk8106
    @olegustymchuk8106 Před 5 lety +3

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

  • @theprophetez1357
    @theprophetez1357 Před 3 lety

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

  • @troooooper100
    @troooooper100 Před 4 lety

    I'm honored having come across this

  • @KashifKhan-cn3nk
    @KashifKhan-cn3nk Před 4 lety

    Didn’t learn so much in 3 years of my architecture. 👏🏻👏🏻👏🏻

  • @jdillon3035
    @jdillon3035 Před 3 lety

    Never too late to learn something new. Thanks!

  • @quiksilveriz
    @quiksilveriz Před 4 lety

    I used to take World Civilizations back in College and my professor briefly mentioned how the Romans were so proud about using them but he never explained why (or maybe he did but I wasn't paying attention). But I knew it was significant because during those times, much of their architecture was designed with arches. So I'm glad I found this video on CZcams and thank you for explaining it in a easy-to-understand way!

  • @Ndoda71
    @Ndoda71 Před 5 lety

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

  • @rhishijoshi
    @rhishijoshi Před 3 lety

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

  • @education.online_frevryone
    @education.online_frevryone Před 11 měsíci

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

  • @Winner632
    @Winner632 Před 3 lety

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

  • @dtstar331
    @dtstar331 Před 5 lety +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 Před 5 lety +3

      absolutely

    • @planterion7969
      @planterion7969 Před rokem

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

  • @quintonashley5745
    @quintonashley5745 Před 5 lety +2

    High quality 4k video! Great job!

  • @jambodjembe
    @jambodjembe Před 5 lety

    Half a century and I am still finding basic things I new nothing about. This is an excellent video: Very clear and easy to follow. Many thanks.

  • @jacquesoquinn7790
    @jacquesoquinn7790 Před 4 lety

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

  • @pwhnckexstflajizdryvombqug9042

    I like these videos because they are about the practical nature rather than a bunch of maths.

  • @denizucer578
    @denizucer578 Před 3 lety

    Thanks for sharing for free. Well explained and illustrated.

  • @iacsse6381
    @iacsse6381 Před 5 lety

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

  • @EvoKeremidarov
    @EvoKeremidarov Před 5 lety

    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

  • @smallweinersteve8808
    @smallweinersteve8808 Před 3 lety

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

  • @JettyBuilder
    @JettyBuilder Před 4 lety +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.

  • @patriciovente7049
    @patriciovente7049 Před 5 lety

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

  • @nz1229
    @nz1229 Před rokem

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

  • @MolotovWithLux
    @MolotovWithLux Před 5 lety

    Great description of weights working as tension systems

  • @theghostmachine
    @theghostmachine Před 5 lety

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

  • @theoroosevelt4849
    @theoroosevelt4849 Před 5 lety +1

    for some odd reason this was recomended to me, and for some odd reason i clicked on the video, and for some odd reason i watched the whole thing, and for some odd reason i really enjoyed it. Good vid!

  • @chriswelcome8102
    @chriswelcome8102 Před 3 lety

    I did not expect to learn something today, especially about bridges, arches and chains, but this was nice

  • @dv729
    @dv729 Před 4 lety

    Beautifully explained !!

  • @sakoupa
    @sakoupa Před 3 lety

    Priceless video !!!
    THANK YOU !

  • @Bloomio95
    @Bloomio95 Před rokem

    Excellent and thorough explanation! Thank you very much

  • @augustinglenn
    @augustinglenn Před 5 lety

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

  • @maclo97
    @maclo97 Před 5 lety

    Amazing use of visual aid! Excellent video.

  • @Vinkie
    @Vinkie Před 5 lety

    Amazingly clear and informative video. Thanks for sharing!

  • @berkayefe7612
    @berkayefe7612 Před 4 lety

    You made my day. You deserve respect.

  • @tarunce995
    @tarunce995 Před 2 lety

    Best explanation ever .!!! Thank you for this great insightful video !!!

  • @aeropyro1610
    @aeropyro1610 Před 2 lety

    one of the best videos i watched this week!

  • @TitanFrost
    @TitanFrost Před 5 lety

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

  • @taufanali3170
    @taufanali3170 Před 5 lety +1

    Amazingly concise and comprehensive videos props to you guys

  • @stuartdoyle99
    @stuartdoyle99 Před 2 lety

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

  • @mahxylim7983
    @mahxylim7983 Před 5 lety

    A fantastic new point of view! Brilliant explanation!

  • @Weincraft
    @Weincraft Před 5 lety

    Anything explained well is a treat! Thanks.

  • @davi.alexandre
    @davi.alexandre Před 4 lety

    Impressive video. Absolutely love it

  • @nguyenangtuandung2745
    @nguyenangtuandung2745 Před 5 lety

    my brother is a civil engineer and he talked about these effects all the time and now I finally had a chance to give him back some of my knowledge on my own

  • @rhejamphi
    @rhejamphi Před 4 lety

    This was incredibly good. More of this.

  • @khayreddinekhayro7108
    @khayreddinekhayro7108 Před 5 lety

    Amazing video , deserves a lot more love

  • @cognitor900
    @cognitor900 Před 5 lety +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.