Fall 2014 - Spaghetti Bridge Final Testing
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- เผยแพร่เมื่อ 15 ต.ค. 2024
- Undergraduate students in the Statics course offered at the University of Texas at El Paso (UTEP) are required to build a spaghetti bridge as a final project. In this video, the students conduct the final test of their spaghetti bridge designs. A special thanks to teaching assistants Shafin Haque and Luis Varela.
Students must design a spaghetti bridge as a final project
00:30 - Bridges are weighed and measured
00:43 - The bridge must withstand a 2.5 lbf weight for 5 minutes
01:16 - All twenty bridge designs were unique
01:32 - Now lets break some bridges!!!
10:42 - Next Semester the load will be increased to 5 lbf
Now lets break some bridges!!!
![CONCURSO SPAGHETTI BRIDGE 2019 en UAH - Concurso Puente de Espaguetis [Real Poly Bridge 😀]](http://i.ytimg.com/vi/SIqtGDYTJSA/mqdefault.jpg)
Doesn't seem very regulated and or fair. The way he dropped the weights
I don't think they were competing at that point.
and point where max load landing also different it makes diff results and conditions
What's the point of over thinking about it there just doing to pass the class
I think it was unfair @ 5:13 because he dropped it.
100% dick move
You all build that one lmoa
Chris Ebreo
I totally agree with you
I TRIGGERED!! HE IS SON OF A BITCH AAAHĞĞĞ
Chris Ebreo life is unfair dude. Do you think cars/trains go bridges slowly? It was a pour design that would have a pour lifespan for a bridge.
who else get mad of what he had done @ 5:13 😠
Me he dropped the weight on purpose😡😡😠😠
probably because that was the winning bridge and it was taking all the weight they had. similar to the last bridge the video cuts out on. they start to push on the weights and throw their hands up because they dont know what to do.
He thought that the chain would snag on top of the other weight. It slipped.
This is totally wrong. I would ever so gently release the weight. Some designs were so horrible. Lol
Ele deixou cair o peso intencionalmente pra quebrar a estrutura
😠😠😠😠😠😡😡😡😡😡😡😡😠😠😠😠😠😠😠😠😡😡😡😡😡😡😡😠😠😠😠TRIGERED
Welcome to engineering school... here are some things you should know:
1) we don't understand the transition of potential into kinetic energy and the concept of velocity as it relates to force. Ie: 5:13
2) we haven't figured out how torsional stress affects a structure because we stack weights on different sides.
3) we also haven't figured out a better way to put weights on other than closing each individual chain by hand.
4) who ever designed this competition should have come up with better testing methods. Just saying.
1987: Flying cars in the future
2014: Spaghetti Bridges
Kkkkkk
Spaghetti bridges that can wistand many times their own weight before collapsing.
2018: Still fascinating about the inventions and watching this 4 years later...
its not about Spaghetti its about engineering and physics if u can make something that can handle a lot of wight with something thin and izi to break its amazing, imagine if we used that instruction the winner did with iron thin bar how much of material we could save !!. same as building house instead paying a lot of money and u can manipulate the instruction to buy fewer material and hold as strong as the old design with less money u pay ! .
Да вообще копец
Watch his biasness at 09:23, he just dropped the weights which is not the correct way to do it.
Harsh Pandey I noticed that too.
yeah they should use a bucket and fill it slowly with water
he's an a$$ he did it at 5:14 too
that thing was gonna fall anyways ahahah
5:13
"hey where you at?"
"in a room full of spaghetti bridges"
Uhhh. Did you say spaghetti?
Somebody toucha my spaghett
Yea, wrong room!
Spaghetti is a long, thin, solid, cylindrical pasta. Spaghettoni is a thicker form of spaghetti, while capellini is a very thin spaghetti.
Is there any sauce.. Or bread sticks..
This is not how an engineer would put weight in this test/competition. Carelessly dropping weight would result in different kN.
totally...utterly stupid...university of what is this?
toda la razón.
They should really let the teams put on their own weights. That way they have incentive to be gentle.
This isn't a test or a competition, they're just seeing if they can destroy bridges
@Doc Possum
Read the description
The dead load (weights) should be placed on the bridge platform to be distributed on all members and the structure might carry more weight. Placing it underneath will only stress a particular member, break it and may not reflect the actual load the truss can actually carry.
5:13
🤔🤔🤔
6:58
😒😒😒
And he not only throws it but he lets it swing.
Jajajajajajaja es cierto, me agrada este tipo
Maybe the last weight should be throw it like That
DR. Stewart, I liked to thank all your Mechanical/Civil Engineering students for an awesome spaghetti bridge design as a final class project. These designs should help students understand real world structures. Professor Stewart, I watched and analyzed all 66 lectures. All these lectures are amazing. Statics and Dynamics used to be part of the Electrical Engineering undergraduate degree at the University of Maryland College Park. I took both classes at the old Catonsville Community College in Catonsville, MD in 1986. I review these two classes because I will be taking the Fundamental of Engineering Exam very soon.
Loco... Nose que estoy haciendo con mi vida. Ahora debería estar estudiando o haciendo algo productivo pero estoy dispuesto terminar el vídeo.
X2 xd
X10
X100
Speak English
Debes Mirar Más Profundo al vídeo, Hay Ciencia detrás de esto.
So are these glued together or do you put a drop of boiling water on a joint?
glued. or tied up
lol I don't think you can weld pasta together with boiling water.
Pasta Welding. Win.
@@TheKrouton hey if you don't stir it they do weld into a hard clump of nastiness
Ausintune m
I started doing this back in 2010 with my classes. 70% of the grade is an engineering report on the design. 30% is based on a weight to load function. The weight is held on the road bed and not through a U bolt so it is more like a real bridge. The idea though is they can make an application and write a paper that describes. They also have to have a draft of the bridge in the CAD that we use.
what about at 5:13 he drop the weight
I remember back in year 10 when I did this but using balsa, I didn’t trust anyone to do anything good so I was my own team. The bridge I built was so strong that it supported the weight of my teacher and still didn’t break
It's the specific load baring point that gives in which means that it is more likely the materials not the design structure.
He can't load the bridges with assimetric loads. When he puts the chains in one side of the first chain.
These competitions at school were cool. I remember we used to do egg drops for vehicle safety and popsicle stick bridges for engineering.
Oh don't mind me, I'm just here to steal their designs so I can finish Bridge constructor Portal. All your ideas belong to me now >:D
The Flying Spaghetti Monster is very pleased. Science + spaghetti + reggae, very well done guys & gals.
When I was in a bridge competition we had a plate that was connected to a pail that we would gradually fill with sand. It worked quite well and distributed the weight equally.
The way they are doing it in this video has too much pull in a small area. And the weight increments at some point are too much to add .
Is point loading really the best way to determine overall strength of the design?
drkjk If it's specified in the rules of the competition. A structural solution is designed around a load or loads and constraints. They're not trying to design actual bridges, just carry the most load held at the center point between a span of a certain distance. The bridge should be designed with this load case in mind. If the competition allowed the load to be held anywhere on the span, all the teams would apply the loads closest to the table, which would defeat the point of a bridge-building competition. A point or line load at the center is the most efficient test of a bridge design.
Bridge design
although this method isnt the best, it is about centered statics. they would see difference results it the weight was hung different and this would also cause a change in design as well.
Dónde es esa competencia? Muy extrañas las recomendaciones de TH-cam..
Try and put those weights on a little more gentle bud
Why triangles on the bridge..? Is it to kind of distribute the pressure (energy) equally across its parts so if we were to measure the pressure on each half from center it would be equal?
What you shoud have is a marked bottle hanging, then start to fill with water to get an even weight (bucket to catch the mess)
I once entered a competition for popsicle bridges and got disqualified because "We can identify the type of glue you used" which I used Elmers white glue, the only one you were allowed to use
is there no limit to the amount of material you can use?? cos i see a unfair use of the materials
As long as they weight the same it is fine.
They did the same with that Genoa bridge that collapsed? It depends on what type of spaghetti you build it
ok Being from Ottawa where the original was done for Ottawa University engineering students .. using balsa wood string and pins ... NO GLUE ... what did they join the spaghetti with .. glue ? .. as it cannot be string or pins you are not testing their ability to build a bridge to withstand a load but find a chemical that will soak the spaghetti and change it's properties to withstand a load .
BAD FORM
btw it is better to use a strain gauge with a constant force pull ... which removes the inability to load weight in a consistent manner and also loads the bridge evenly unlike by hand which loads in an uneven manner ... any data gathered from these stats is really useless unless the method of joining the spaghetti together is also included ... the engineering course went to an automated constant load that test's the structure to failure and records at what weight it did break ... and the only allowed products are balsa wood, basic white 4 strand string ... and sewing pins ofmaximum 2inch length with no heads left on ... and a common attachment point of an o ring or d shaped ring in the middle on the bottom of the bridge
The energy is intense. Can barely hear myself think
whats the rule on building one? type of glue? coz thats what make it stronger.
“Collapse of the Genoa bridge, Italy” - 2018
balilla must pay it
Not funny, asshole... people died.
Idiot
Lol
HAHAHA
Since the beginning of this year, I've probably watched at least one recommended video a day that has me questioning wtf I did to have that video suggested. This being one of them.
There is a design that nobody uses, they still use the box method. Here is a hint why do trusses use triangles?
Where was the control for this test ... ie amount, type of pasta or glue type or size limit
My bridge wasn’t in the video, but i had the professor before. For the people saying that the video was unfair, the project was to build a bridge that could withstand at least one weight. Everything else above one weight was just for fun. Of course the winner got to gloat but it wasn’t a big deal
Hello Jared. I hope you had fun in the class.
Awesome we did this in 5th grade but with popsicle sticks and wood glue proud to say our groups bridge held over 150lb before we ran out of weights and had to start using text books. Never broke we estimated it held a little over 170 lbs.
Why am i watching this
Digo lo mismo...
You are hungry for spaghetti dinner.
I'm asking myself the same question 😂😂
@@thomasthetankengine4443 You both should have spaghetti dinner.
@@rogerdodger8415 nah, I am not a big fan of spaghetti, it's to much work to eat 😂😂
Friend:So what's the reason you learn statics?
Me:To build a spaghetti bridge
I've heard this music elsewhere. What is the song?
isnt,weights,suppose,to,be,distributed,equally,along,the,bridge,not,just,one,point?
Why are some overlapping table by 2-4 inches while others are hardly even on the table. That’s inconsistent to say the least
id love to try this. id like to see all the rules and requirements. id like to try it with different techniques, for example, cooked spaghetti to increase the strength of the material by removing some of the natural weaknesses in the strands. id like to know exactly what type of glue to use and how much glue you can use.
So what do you do?
Good job!
Who win!?
Where can I find the rules and manuals for this type of competition?
Several universities publish rules for Spaghetti Bridge competitions. Search google. Make sure to ask permission before you use them.
Or just make up your own. 1 box of x-brand regular/thin/angel hair/etc... spaghetti or equivalent net weight (in case of broken noodles), 1 bottle of glue (or reel of fishing line) of certain size and type, span distance, load application location, method, and increments, time bridge must hold between weight addition.
I would try to find a method for applying weights better than they did here. With weights hanging off the sides like that, it has the potential to torque the structure in unpredictable ways or create shock/acceleration loads if weights shift. Also, avoiding shock when applying weights would be necessary. Having teams apply their own weights and having an official (ideally multiple) with a stopwatch (that they press once the team member has ceased touching the structure) can help mitigate claims of unfairness.
NERD!
Looks fun but as others have pointed out; that was an incredibly clumsy way to increase the weight. The best way would be to make a bucket shaped like a shelf or something like that where the weights are carefully placed on top of eachother.
What kind of stick fixer is used?
อุปกรณ์ที่ใช้ทำมาจากอะไรครับ
What is the music at the beginning of the video?
意大利面做的么？我觉得应该使用铅丝来模拟桥的自重和挠度。
What is his brand of watch?
just a reminder that people are complaining that this dude unfairly breaking *spaghetti* bridges
justified imo a lot of calculation goes into optimizing a truss and its a competition after all lol
Конструкция изначально просчитана на приложение усилия по центру конструкции . В реальности все сложнее . Попробуйте сместить груз к краю например . Или в бок от оси фермы .
Cual es el reto que material ocuparon alguien me puede decir?
strange that they apply the load on the bottom of the bridge
Easiest way to do it.
next time use water for weight. pump water into a bucket until failure. a bin to catch the bucket/water. eliminates inconsistent loading, adds increments.
Finally youtube got a legitimate interesting recommendation for me... 😀 i want to make one!
You should. It is easy. Spaghetti and hot glue are all you need.
Prof: Now calculate by hand the stress of each members at the time of failure.
Yes indeed.
how heavy are the weights??
how heavy is each weight?
What materials were used and brand
Wich are the requirements?
Because if the spaghetti breaks you lose
Yep.
Was the music really necessary?
Hm did the weights weigh
The way in which he is conducts the tests are not consistent. You have him dropping weights and sometimes he carefully places them. Also, the surface area on which the bridges sit on the table vary from bridge to bridge. It should have a set parameter on how far the bridge sits on the table on each side.
Im going to sleep soon 22:00
3:00 watching a 2014 video about spaghetti bridges.
wow amazing but how could it sustain all this weight does it from trusses???? and does it hang from specific point ! centroid maybe !? i need answer
ENGINEERING!
You would think they would put the weight on the bridge deck like the actual weight vehicles place on the bridge
This method doesn't distribute the weight evenly. All weight is at the very middle. This would cause me to make a model weak on 25% and 75% across bridge and concentrate everything on 50%(middle) across the bridge
A point load at the center is the worst case, which means it's the best test case. It doesn't test the deck, but it tests the overall superstucture most efficiently.
Sam Brewer That's kind of how you should approach a bridge design anyway. A load near the table is much easier for a bridge to take than a load at the center (maximum bending moment).
Thinking about it u are correct.(really) I was wondering if there was a way to sacrifice the 2 side 2/5s of bridge and concentrate all weight on the middle. (Assuming there is a weight restriction.)making the 2 outer halves weaker than middle. Just to win the competition. 😊
Sam Brewer Not quite sure I understand exactly what you're saying, but the winning designs use more material in the center of the bridge. You can see how they are taller toward the center. This is a good approach to design because the taller cross-section at the middle resists bending better, where in the middle there is more of it. The problem with a tall cross-section, though, is stability, which is why the best design had a lot of little cross-members. One thing that bridge also did quite well was not using too much material on top of the table. You really only want just enough length so that a perturbation when weights are being applied doesn't unseat the bridge from the edge of the table. Too much material on top of the table is completely useless and material that can be used elsewhere to greater effect.
What's requeirments to bridge?
November of 2018 doing nothing at 9 pm at night watching “ fall 2014 spaghetti bridge final” what the fuck is life
Wouldn't it be easier to hang a bucket and pour sand into it to eliminate the risk of retardo hanging weights?
We switched to sand in the following semesters.
Why eat spaghetti if you can build strong bridges ??
I did something like this in school once, with wood and common string, but same basic principle.
contendors are cintists , but weight guy isnt at all near cince
Brain mind u know what u are talking about.
I did really food in school making a tower w balsa wood and glue that went around a pole and had to be a certain height and weight. Then put weights on verticle board until crushed. I used triangles and a porta glue and sanded clue to lose the wiet but ensured good connections. I would be interested in trying a bridge builder app same as this. Would make great app. If calculations were correct.
Build a bridge app.
A hard drop at 5:12? How is that fair?
9:36 I thought this bridge was quite strong, but the right pillar bent at 10:11 .
Half of the whole weight would be applied to this pillar.
i think they should test the weight moving in the bridge..seeing this kind weight test makes me uneasy
Relax everyone, this is just a university project, they r just having fun
Anyone else thinks it's impressive how the bridges can wistand many times their own weight?
Thank you for these videos.These are so helpful to students like us.Thank you so much!
Maybe I'm missing something but what the hell does Structural Engineering have to do with a statistics course? I suppose these are bridges made out of spaghetti for little meatball cars?
8:15 the laugh
Интересный конкурс, а главное полезный. Можно и проще, под мост подвешивать кастрюлю, под кастрюлей бак. В кастрюлю медленно лить воду, мост ломается, кастрюля с водой падает в бак. У кого окажется больше воды в баке, тот и выиграл.
5:16 ele solta e dá um tranco ...não é justo...
Vdd.
Tem outro que ele também fez isso e tem um que ele toma o maior cuidado, velho to puto aqui, mas é isso..
sopa de macaco uma delicia kkkkkk
Injusto msm
Este vídeo es de 2014, pero parece que muchos lo recibimos esta semana (este fue mi maravilloso aporte).
2.5 lbf or 0,0111206 kN ?
After that, they had the best spaghetti party.
It’s doesn’t matter if he dropped the weight, the bridge at the back is more on the table, while the other is on the edge of the table..making it weaker...
Why do bridges have a square structure? Its literally the second weakest form of construction it's just one of easiest. The 1st weakest is the rounded structures. The strongest structure formation triangular. If you clearly see all the bridges are breaking in the middle. Because of center of gravity holds massive strain and tension to the supports. Why a triangle though? Well if you try to bend it on one of its sites its tension is divided into the three corners. Thus, only 1/3 of actual weight is being applied to the bridge. I've done this in school as a fun experiment/project and my bridge withstood 65 lbs for 4 minutes before giving way. An the biggest part is that I had less material used than 3/4 of these guys bridges.
nice what are the rules
I think they should use electric magnet instead of weight. Because you can set force at any value and know exactly when your bridge will fall. And it is delete any "drop" unfairness like in 5:13
Это из макарон?
Who wins??
What material are they using at the intersections?
glue
sperm
Italian glue sperm
Song name please ?