Making and Testing a Spaghetti Bridge!
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- Опубліковано 19 тра 2024
- We all know that Spaghetti strands can break easily, but in this video I will try to show that with a good truss design and some glue of course, a relatively long bridge can be made with this brittle material. At the beginning of this video, I will make the bridge step by step and subsequently, I will load test it to see how much load it can take.
I have used Bucatini No. 6 type of pasta to make this bridge which is about 90cm long (2'-11.5") and weighs about 1100 grams or 2.4 pounds. The link to the design sheet in PDF format is here: www.mediafire.com/file/hwvht6o...
The link to an alternative design sheet which is slightly lighter is here: www.mediafire.com/file/3ukg5ul...
As seen in the PDF files, I have shown some members with dashed lines. After load testing the bridge, I noticed that the top chord on the end of the bridge is the weakest link in the bridge. Adding the tie beams as shown in the PDFs will increase the capacity by bracing the top chord from buckling under compression.
The link to the video of me making the colorful tall building in the background is here: • Making a Multi Story B...
#SpaghettiBridge
0:00 Introduction
0:19 Bottom Chords
1:13 Vertical Members
1:56 Top Chords
2:51 Diagonal Members
3:26 Milestone 1
3:35 Connecting two Trusses - P1
3:51 Top Braces
4:36 Connecting two Trusses - P2
4:46 Bottom Braces
5:10 Completion
5:39 Load Testing
6:26 Failure
WARNING: DO NOT TRY THIS AT HOME!
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Music 1: Invisible by Vibe Tracks
Music 2: Universal by Vibe Tracks
Music 3: Requiem In Cello by Hanu Dixit - Розваги
![CONCURSO SPAGHETTI BRIDGE 2019 en UAH - Concurso Puente de Espaguetis [Real Poly Bridge 😀]](http://i.ytimg.com/vi/SIqtGDYTJSA/mqdefault.jpg)
Going to use this as a model, thank you so much!
Edit: I WON THE SCIENCE FAIR AAAAA THANK YOUUUUU
A friend and I made this bridge with .7 spaghetti. Turned out amazing, even though our craftsman skills are not the best, and because it was our first time making something like this it didn't stand the weight of the video, but amazingly it held 10x its weight! be free to try it, it's easy to follow with the blueprints and requires a small budget. (We spent around 12 $, we used .7 Spaghetti from the brand Barilla).
I have to say I'm amazed and thanks for the fun time of building it, it turned out way better than expected, definitely worth the struggle 9/10.
Thank you for the comment.
how many pack of spaghetti did you used?
Your video helped us a lot during design phase, thanks! ❤❤
Edit: I won the first place in the competition, the bridge weight was 390 gm and held 58.3 kg before collapsing 💙
hey there!! may i know how many packs of spaghetti you used? did you follow the design exactly? :D
Ohh congrats, am doing a spaghetti bridge for my design project and I might just go with this design 🤔
Hi@@modz9816
*Using this design will be recommended for sure because Here you have an arch representing the upper cord of the bridge, Arch shapes always convert shear forces projected to them into normal axial compressive forces, this is the greatest advantage you get from arches, in order to achieve this and get a 100% rigid, self-supporting arch, you should apply the chain test on your arch design and check if it's completely within the standards.
*According to Bending Stiffness Equation (B.S=EI/L)
1- I really recommend increasing the moment of inertia (I) of the bridge by increasing the depth of the lower cord, you can use a rectangular section for this case, this would increase the resistance of your bridge against deflection.
2- You can increase the modulus of elasticity (E) by using superglue or epoxy only if it's allowed, because this would be a direct change in spaghetti's mechanical properties.
3- Shorten the length of your truss members as possible as you can, this would give you a stiffer bridge.
GOOD LUCK... ✌😊
So I'm trying to understand the maths behind the dimensions. Can someone help me understand?
The middle rectangle immediately caught my eye, since it seems to fit two equilateral triangles in it perfectly (quite a strong shape), which would means the height of the rectangle is exactly sqrt(3) times the base.
Since the base is 12.75 units, that would make the ideal height of the rectangle about 22 units tall, but the directions say 19 units.
The height length is "19cm clear" instead of "19cm center to center" but it doesn't look like the bundle of 15 strands is really 3 whole centimeters even if that mattered (since the triangle sticks are clear rather than C/C too)
I imagine the centerpiece makes the rest of the bridge fall into place. Is this small difference to compensate for some other part of the bridge?
I understand its a small, maybe negligible difference, but I assume the numbers came from somewhere and they aren't arbitrary.
Thank you.
may i ask its relation to equilibrium? how do you think it works without a support underneath?
does having the two sides tilted stronger than if they were parallel?
Me subscrib 👍🇨🇴 buen trabajo
Imma try this
Thank you for watching this video. I have provided a link in the description to the PDF file of this design. I have also provided a second link for a slightly lighter bridge.
Thank you very much for your comment.
@@StructurePlanet You didn't put a measurement for the vertical members
I just checked. There are 2 dimensions for verticals actually :)
Thanks for making this amazing video it really helped me by insipring me for a school project. Thanks again!
@@StructurePlanetiijjhjj
nice job
How many total boxes it took u to make this?
Poor bridge all that time and effort wow what an epic bridge!
It was lots of work for sure!
Is this a camelback truss bridge?
About how many did you use
Whats spagechon used?
about how many noodles chuncks did you use
Wow
what are the some of the other measurements for the bridge
like for the bottom plan and the top plan
All measurements should be on the PDF from the video description.
Would like to try this, but I cannot seem to download the PDFs. Please help!
I just tried it and it worked fine for me.
Where did u go?? Why don’t u post anymore??
how would you calculate the forces of the members for say 100kN directly at the top
I would use a computer program to save time but there is a hand calculation way called "method of joints".
@@StructurePlanet im looking up videos on that, its just a little confusing because all of the examples are much simpler trusses
Haha yes. I haven't used that method in ages.
How much spaghetti did you use?
How long did it take u to make?
My entire Christmas break. A week for making and a week for editing :)
thats mega tuff
What's kind of bridge is this?
Just a truss bridge.
@StructurePlanet Oh thank you
what song is the background music called?
I have it listed in the video description.
how many spagghettis you have spent on this plz ?
About three packs considering some of the strands were twisted or broken.
I need this for my P.T but Imma use different material that ok
yea thats okay
Como se llama la música de fondo del video
How many grams was the spaghetti he used???
Tank yu ma frend
Can you possibly give me the pdf link?
Link is available in the description.
What would you call this bridge? What is the name of it?
I would call it a truss bridge.
Could I use .7 spaghetti? There's no bucatini where I'm from
Yes, as long as the cross sectional area of spaghetti remains more or less the same.
@@StructurePlanet thanks a lot :P
Mom's Spaghetti
that was not funny
Any one makes some calculations?
how much spaghetti was used
A couple
How much time did you spend building this bridge?
Took me 5 days or so.
Can I get the description of image into words
There is a link to PDF in the description.
@@StructurePlanet what is the name of this bridge
Just a truss bridge.
what kind of bridge is it?
A truss bridge.
What formula have used to calculate the height to weight to length ratio of the bridge.
I didn't use a formula, if there is any. I just used a PDF editor to draw the 2D lines to get a reasonably looking bridge.
Congratulations, look so nice also strong👍, but if I want to participate in the pasta bridge competition in school, what should I do for a stronger bridge? Which point shoul give more importance?
Well this type of pasta bridge may not be suitable for major competitions. For those, they usually use half a circle as the shape since arches are strong in compression and that can compensate for pasta strands being weak under compression and they usually use epoxy instead. An important item to look for is that the elements of the bridge that will go into compression have to be braced along their length so their compression capacity increases. If you look at this bridge that I made, the top elements are braced by plan bracings and the failure was where I didn't brace the top chord. I hope this helps.
@@StructurePlanet yeah it helped thanks a lot. You are best dude. Also i did not mean very big competitions our University doing each year and i am not sure but probobly 30 kg is nice to Carry. İ Heard best one is arch half circle type for this before you arr right. İ need much resarch i think. Thanks a lot Man. 👍👍
Wich spaghettis are these?
Bucatini
Pewb pewb
Disqualified for using glue!
if you don't mind what is this design called?
I would call it a "Spaghetti Truss Bridge".
so this just realy hurt my feelings because of the trout vidie
How much does the bridge weigh by itself?
Refer to the PDF files provided in the description.
This really helped me with my engineering assessment! Allah Akbar!
John 3:16 - For God loved the world so much that he gave his only Son so that everyone who believes in him may not die but have eternal life. For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life.
Talk about your Psalms, talk about your John 3:16. Austin 3:16 says I just whipped your ass!
that ain't spaghetti.