How the world’s tallest skyscraper was built - Alex Gendler

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Discover the engineering innovations that made building Burj Khalifa, the world’s tallest skyscraper, possible.
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In 2004, construction began on a new building in Dubai, promising a revolutionary design that would dwarf the rest of the world’s skyscrapers. Five years later, the 828-meter Burj Khalifa was complete, surpassing the previous record-holder by over 60%. What innovations allowed for such a huge leap in height? Alex Gendler digs into the architecture of this unprecedented project.
Lesson by Alex Gendler, directed by WOW-HOW Studio.
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7 авг 2024

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Комментарии : 695

@anuarkul-mukhammed1985 3 года назад

Really glad they mentioned the workers lives lost in the process, many people like to ignore that part

@ilovekitkat7857 3 года назад

Well they mention a singular life was lost not lives.

@fathfez7991 3 года назад

@@ilovekitkat7857 There were 2 lives lost, one from suicide and the other from fatal injury.

@matthewnour97 3 года назад

@@ilovekitkat7857 there were 2 lives m8

@SaltyMaltyMo 3 года назад

Modern day slavery where workers are paid next to nothing and have their passports taken from them by their so called employers.

@spacecat7827 3 года назад

2 lives lost, only one of them was an accident, they were paid 10 dollars for 12 hours of work, they weren't allowed to leave because the supervisors withheld their passports from them. Don't say ''well, only a life was lost'', as if those two lives meant nothing, as if their hard and grueling work meant nothing, as if the way they we're treated meant nothing. They were barely treated like workers, more like slaves.

@MrHazz111 3 года назад

Growing up in Dubai, my school bus would pass through the building site everyday, so I got a five year long montage of it being built from the ground up.

@Haze-jt6us 3 года назад

Wow! That would have been so cool...

@naturelover4148 3 года назад

You are lucky very lucky

@naturelover4148 3 года назад

Meanwhile me only sees Slums when I go to school😑

@revelbangtanexo2642 3 года назад

Wow

@AhmedMalik814 3 года назад

Are you going to upload it?

@tan_dayo 3 года назад

Knew there would have to be sacrifices behind these ambitions. Thank you for not ignoring what people have been through before that tower was made.

@barbarajoseph-adam8337 3 года назад

I used to work at the Petronas Twin Towers. Every Friday, the facility managers would conduct special prayer sessions (I can’t remember what it’s called) to appease the spirits of the workers who died constructing the building. Apparently, they even had the Towers blessed by religious personages on regular basis. Many have claimed to encounter ghosts but I myself never did.

@RawEgg_ 3 года назад

yeah. sacrifices have to be made. i wonder if someone from your family was a labour on that project, and if he had committed suicide, would you still say the same ?

@WG55 3 года назад

“How did they build those pyramids? They just threw human death and suffering at them until they were finished. How did we traverse the nation with a railroad so quickly? We just threw Chinese people in caves and blew them up and didn't give a s-- what happened to them. There's no end to what you can do when you don't give a f-- about particular people. You can do anything!” - Louis C.K.

@thelelanatorlol3978 3 года назад

@@WG55 I mean, the Egyptians had an excuse. The only thing that could be used to build pretty much everything back then was human suffering and death.

@adasp23 2 года назад

I don't think sacrifice is the right word for forced labour.

@msujonbd 3 года назад

Good to see Fazlur Rahman Khan getting mentioned for his pioneering work in architectural design. 🇧🇩 🇺🇸

@barbarajoseph-adam8337 3 года назад

Read his books, brilliant fellow!

@a2z726 3 года назад

It’s kinda expected though.

@nenggo2540 3 года назад

So is he direct descent from Genghis Khan

@worlddefensematrix4283 3 года назад

He was Pakistani then

@tajwartahmid4031 3 года назад

@@worlddefensematrix4283 no he was not

@u.g.3298 3 года назад

"Hopefully, future projects will prioritize the individuals behind these engineering marvels over the buildings themselves" Me: Doubt (X)

@NDOhioan 3 года назад

Something something economy, something something shareholders.

@okokokido2225 3 года назад

just look at Khalifa Stadium, the amount of ppl dying there is a lot to a point where major European countries are thinking of just boycotting the World cup

@Think_Inc 3 года назад

@@okokokido2225 Like European nations were better when they were at it.

@yardriapublica6493 3 года назад

@@Think_Inc no, but we aren't anymore. That's kinda the point

@TheMemeDepot 3 года назад

The people behind the Jeddah tower got arrested and the constructions as put on paused when it was supposed to be finished last year (1 kilometer high skyscraper)

@TheB1M 3 года назад

Wait, have we been saying Burj Khalifa wrong this whole time?

@oscario9405 3 года назад

No the narrator just says it incorrectly

@hi-lj3kf 3 года назад

No, ita not pronounce burdge califa. its the Burj Khalifa with gha -lifa with a kha Arab sound,

@omniyambot9876 3 года назад

I always say berj kalifa

@Jzch30 3 года назад

Theres a new tower being built in Saudi Arabia, Called Jeddah tower, Which was said to be taller then the burj khalifa, when it is done😄

@omniyambot9876 3 года назад

@@Jzch30 it's cancelled.

@adarshsingh2777 3 года назад

I can't express how much we would owe to Ted-Ed to make a better world in future!

@JjMn1000 3 года назад

yes

@yoshirivalry 3 года назад

True

@mrhasans 3 года назад

As i was watching the video i was hoping they would mention the legendary Bangladeshi-American engineer Fazlur Rahman Khan and his contribution to the structural engineering. The moment narrator said his name i felt proud as a fellow Bangladeshi. Thanks Ted-Ed.

@mrhasans 3 года назад

@@toobashakeel8822 well, he was born before the partition of india. so there u go.. 😇

@mikhailrehmantraut5412 3 года назад

@Lion Pakistanis were never the bad people. If blame has to be given to someone, that would be the Pakistan government of that time

@mikhailrehmantraut5412 3 года назад

@Lion Blame it on the British. This mess was preplanned by them... Uggghhh Just forget and get united again will ya

@nabibbs7937 3 года назад

Samw

@moniruzzamanmonir1598 3 года назад

True. I feel proud ❤️🇧🇩

@user-sp4pz8by6z 3 года назад

Fun fact : Burj khalifa is so tall that you can watch the sunset from one floor 🌇 and then go to a higher one and watch it again . Thanks for reading my TED-(comment)

@katsepogo2781 3 года назад

Don't you mean " and then go to the lower one and watch it again"?

@blueeye2281 3 года назад

@@katsepogo2781 no the op is right

@chezchezchezchez 3 года назад

@@katsepogo2781 No, he said it correct. You have to go higher to see the sun that is setting “behind “the earth.

@GraveUypo 3 года назад

technically you can do that with just your height too. lay down, watch it, stand up. you'll be able to see it again.

@user-sp4pz8by6z 3 года назад

@@katsepogo2781 never doubt the knowledge of someone waches every singel Ted-ed video 😂

@descipher 3 года назад

I love how Ted makes difficult topics so easy to understand. Archicturue explained at it finest.

@kristinadavid8305 3 года назад

It’s engineering actually not architecture.

@rutherford5247 3 года назад

👏👏👏

@samh1546 3 года назад

Burn Khalifa the tallest building? Phineas and Ferb build their tower to the moon in one day

@whoeveriam0iam14222 3 года назад

but it disappeared before their mom could bust them so it doesn't count

@drenz1523 3 года назад

Burn khalifa yes burn

@prism2451 3 года назад

Mommmmmmmmmmmmmmmmmmm

@ricofabian1874 3 года назад

"Burn"

@rutherford5247 3 года назад

Little did everybody know Phineas and Ferb is actually a great foundation in pursuing these kind of careers. And Im happy I watched it when I was a kid (˘⌣˘)

@79keen 3 года назад

Imagine putting the Burj khalifa on mt. Everest

@cristletower 3 года назад

I t g o h I g h

@nicoco678 3 года назад

How to get to space quick

@nick.3455 3 года назад

@@nicoco678 lol

@haroldinho9930 3 года назад

9600 metres I th8nk

@tobyleung96 3 года назад

I like the way you think

@biologyburst8251 3 года назад

POV: you probably never actually questioned how it was built but it's a Ted-Ed video and you instantly clicked.

@ZeeTaylor25 3 года назад

Truth be told.

@mariustan9275 3 года назад

Same (Y)

@rutherford5247 3 года назад

This is a course topic, so yeah I understand why some are interested and some are not

@randomrainbow8423 3 года назад

As an engineering aspirant, I was keen on knowing how it was built and I actually searched it as well

@imjody 3 года назад

I absolutely loved this. Wish this was a 1 hour special. Wish it never ended. Thanks for putting this together with such beautiful illustrations!

@namitpandit7056 3 года назад

As someone who’s been in Dubai his entire life, this is an incredibly fascinating video.

@dexternunez9555 3 года назад

What I appreciate is the detail about the workers' concern. Before any advancdment, we need to be humane first.

@Austrian_Painter49 Год назад

Ahhhh!!! Fazrul Rahman Khan ❤️🇧🇩 The man who made Bangladesh proud!He is a hero and inspiration to me.

@fooforce 3 года назад

Most architects: "How can we build something new? We ran out of ideas!" Fazlur Khan: *My powers are beyond the rest of you mortals understanding*

@Shamim684 3 года назад

Sir Fazlur Rahman Khan never give up until he succeeded.

@seannguyen7586 3 года назад

Fazlur Rahman Khan was a visionary whose ideas have transformed how we do things

@rutherford5247 3 года назад

In architecture, the challenge is you must never run out of ideas.

@kristinadavid8305 3 года назад

@@rutherford5247 engineers bring these ideas into reality.

@helenadasilva9371 3 года назад

You guys needs to do more videos about architecture or urban planning!

@barbarajoseph-adam8337 3 года назад

That would be awesome, seconded!

@aerox5507 2 года назад

My city was planned by Le Corbusier,and that man really had the power of foresight

@davidschneide5422 3 года назад

When you abuse your workforce, they build a secret exhaust vent leading to the power core.

@flyawaken8691 3 года назад

Wait is this from the movie Skyscraper? 😂

@user-kt3jn7wx5f 3 года назад

@@flyawaken8691 yep..looks like it😂😂🙏🙏

@mahnoortoor190 3 года назад

isnt this from star wars tho?

@hasanmahmudzeeshan2161 3 года назад

love from BANGLADESH💚💚

@kamalhasan9066 3 года назад

Love from Bangladesh. Rest in Peace genius

@quantumdr 3 года назад

Burj Khalifa is a incredibly sophisticated building. Thank you Ted-Ed for reviewing it.

@nyanya4566 3 года назад

As a civil engineer, thanks for giving credit to major importance of engineering design and not just trying to lump the structural analysis with the architect (the aesthetics captain of the building)

@curious6190 3 года назад

Thanks to Ted Ed for mentioning Fazlur Rahman Khan aka "father of tubular design". Feel proud as a Bengali.🙏

@livinginbd5987 3 года назад

🥰😍

@snakecharmer109 3 года назад

As an architecture and skyscraper lover, thank you Ted-Ed for making this. The fact that I've heard this man's narration voice for so many years from when I was in middle school to college now is insane!!

@liliestechzone7672 3 года назад

Great work Alex, thanks a lot for this video.

@neparizzy 3 года назад

More videos Ted - Ed I love them

@zennyfieldster4220 3 года назад

Bouj khalifa: only has 1 death during its construction. CN tower: thank gosh it was only 1 for you.

@r_dcruz1394 3 года назад

What is CN tower?

@happyswedme 3 года назад

@@r_dcruz1394 the canadian space needle

@farihahoque5179 3 года назад

@@happyswedme lol it’s canadian national tower

@farihahoque5179 3 года назад

@@r_dcruz1394 canadian national tower

@asydicREaction 3 года назад

The CN Tower also uses a similar design as the Burg.. I'm surprised it wasn't mentioned in this video. It was the tallest freestanding structure for over 30 years until the Burj.

@itdepends8103 3 года назад

Ted ed starting music brings smile on me That I am gonna learn something...

@danial8479 3 года назад

Seeing The Twin Tower KLCC makes a proud Malaysian 🇲🇾 Can you guys do a video abt the construction of the Twin Tower? Because i watched the documentary of it and it has quite amazing engineering feats worth mentioning as the architects and engineers had to adapt to the condition of soil and climate weather in Malaysia.

@simonepradhan5023 3 года назад

I was hesitant to click on this when I saw it was about Dubai, but I'm really happy someone talked about the worker exploitation, I really don't think it's touched on enough

@maxhill9254 3 года назад

well researched and interesting, thx!

@c.galindo9639 3 года назад

Nice way in explaining the design and its significance. Great video

@ushankaboy7357 2 года назад

i've been to Dubai several times, and one thing i can say (being related to this video) is there is A LOT of skyscrapers. They are so tall you have to turn your head all the way up in order to see tops of the buildings. If you keep your look straight it is very simmilar, as someone just stretched them out of sight. It gets even worse with Burj Khalifa, as if you stand near its foundation (The Dubai Fountain at one of Dubai Mall exit in my case) because it feels like someone keeps stretching it out of sight, until you are almost looking straight at sky, you can barely see top of it. It was mindblowing to remember that you are standing next to 828 meter building.

@kaziapar7548 3 года назад

Fazlur Rahman Khan was a genius. Thanks TED-Ed for this video. Love from Bangladesh. 🖤

@anonymousqwerty100 3 года назад

They show the story in the lift, as tourists visit the 124th floor with high speed, to divert their attention if someone is very afraid of the speed I have been there it is just fab😍

@TheMcKenzieHaus 3 года назад

The problem I would have with these tall buildings is imagining that you have to wake up an additional hour to get on an elevator to get to the ground floor.

@11alekon 3 года назад

just take the stairs

@sukutopia 3 года назад

But the elevator in burj khalifa is quite fast

@barbarajoseph-adam8337 3 года назад

There’s also double-decker elevators for even-numbered floors and odd-numbered floors.

@Oversail 3 года назад

U can go to the bottom in 2 mins. Not optimal although manageable

@catherinea6690 3 года назад

@Sebastian Branch once i watched i documentary about those problems in the tower/burg like the elevators and how fast they should be so people won't waste hours to get to their destination and what would happen if the burg is on fire and people get stuck in the upper floors (you know a helicopter won't help a lot in such case) . So they planned 3 major express elevators, like you mentioned, 3 major floors ( I don't remember i think 42 , 120 ad so on) with a dozen of minor elevators to complete the Trip. I mean the people who made this miraculous tower are great i feel really sorry for their suffer...

@cliors200 2 года назад

Being from Bangladesh my heart skipped a beat when I heard of the bengali architect really didn't expect that ♥️

@oscarscribner7702 3 года назад

Amazing job as usual ted ed

@xXColdHandsXx 3 года назад

We are proud of F R Khan. Thank you TEDed for this episode. Love from Bangladesh

@sultansamid7821 3 года назад

Thank you, TED- Ed

@rutherford5247 3 года назад

Yey I love this kind of topics, thanks ted ed

@charancherricherri7571 3 года назад

Awesome motion graphics ❤️

@ahmedhazem7553 3 года назад

beautiful animation . classic

@bush.nawaz.t8385 3 года назад

Your voice has the perfect cracks, and great video.

@mathsandsciencechannel 3 года назад

good

@Mirsab 3 года назад

I'm glad you guys mentioned the labour abuse and didn't just brush it under the rug.

@dylanparker130 3 года назад

This was such a great video!

@jeremieemeterio7468 3 года назад

It's sad that Southeast Asian workers doesn't pay right, it is a sad reality. While the poor suffer The rich become richer.

@mohsinali3342 3 года назад

Yup to this day they are many human right abuses.

@leobri6133 3 года назад

yes it's called capitalism

@j4genius961 3 года назад

@@leobri6133 It's just the history of humanity in general

@pinklady7184 3 года назад

Leo Bri Skyscrapers exist in communist countries and their rich socialite governments don't have regard for their citizens or workers, especially those who lose their lives during works on skyscrapers. *NO MATTER* what political system you may introduce, it will always get *CORRUPTED* by your successors. You simply cannot stop greed, no matter what shapes or forms your solutions may take.

@asnaali8092 3 года назад

South Asian but yes very sad 💔

@abeljacob2388 3 года назад

Good to hear that u considered the workers conditions and how the Dubai has changed

@SuperEdsonricardo Год назад

The multitude of factors involved such as location, materials, manpower, and climate, make this project a challenging endeavor for engineering.

@davidyoulus2961 3 года назад

great video, very informative and interesting!

@aeromaster2134 3 года назад

Ayy I remember being there when it was being constructed and was there on its opening day, it was awesome.

@The_Tormented_One 3 года назад

You guys are doing really great work. Nothing to say about you....

@farabi1217 3 года назад

1:53 his from my country Bangladesh Thank you ted ed for mentioning him

@dannydaghavarian9185 3 года назад

Imagen being on the top floor, and the fire alarm hose off. That's a lot of stairs.

@aransingkum1877 3 года назад

thanks for giving

@nilishabharadwaj 3 года назад

If Ted-Ed peeps notice this, please make a video about who are these Narrators? Editors? Writers? Researchers? Behind these videos.

@bruhmoment1271 3 года назад

I voted for you

@nihaalstelevision-hindi1518 3 года назад

Ted ed videos give us a reason to smile😀😀❤️❤️👍👍

@ShabnamMSwata 3 года назад

Ahha when he said the name of the father of modern skyscraper... It made me feel proud....'cause I'm a Bangladeshi too...😊😊❣️❣️

@aransingkum1877 3 года назад

Yes.thanks you so much.

@Sam-Ang023 3 года назад

Been to the Burj.. to the 125th floor.. Surreal experience

@neonbunnies9596 3 года назад

I see the Burj Khalifa less as one big building and more like 5 buildings next to each other

@nineteen4063 3 года назад

We are really proud sir,you are showcasing people of my country.❤️🇧🇩 If you know what I mean.😉🇧🇩

@naryanr 3 года назад

So happy you didn't just stop the video where you could have.

@alina-87 3 года назад

Ted ed is one of the best RU-vid channels ever, you guys deserve way more recognition

@user-dw8lv6sy2y 3 года назад

전 세계적으로 엄청나게 많은 높은 건물들이 세워지고 있습니다. 우리나라 대한민국에서는 롯데타워, 두바이에서는 부르즈칼리파 등등 말입니다. 인류사에 있어서 멋진 건축물들을 만드시는 건축공학자들에게 박수를 전하고 싶습니다.

@elliegrace7595 3 года назад

This is actually crazy

@rizalpurnawan3796 Год назад

The tubular system almost became the topic of my undergraduate thesis. However, I was tempted to pick a topic on Cable Stayed Bridges, and I did.

@jagjeetsinghchhabra3829 3 года назад

Amazing video

@SeanChristopherSGOMEZ 3 года назад

wow thats nice TED-Ed

@robert_costello 3 года назад

Louis CK said something like this... every incredible human achievement in history, was done with slaves. They just threw human death and suffering at something until it was finished. Of course, he’s a comedian and I don’t agree with him, well not entirely, but I don’t think this building could’ve been affordable if not for the way it was built.

@alpha5124 3 года назад

Thank you Addison Anderson. Having you here is a plus.

@mathsandsciencechannel 3 года назад

good

@Luboman411 3 года назад

What goes unspoken here--practically all the major players in building the tallest structure in the world were South Asian. There's the theoretician behind the tubular design concept that made the Burj Khalifa a reality, Fazlur Rahman Khan. Then the people who actually put in the sweat to build it. Fascinating, and interesting to know that one of the people most responsible for the way our modern cities look is someone I've never heard of--Mr. Rahman Khan.

@cyanidepopcorn0107 3 года назад

I literally just saw a BBC show about why skyscrapers Can't go any higher XD. Thanks for the video!!

@Tsunami14 3 года назад

O had no idea how bad the labor practices were for getting this built. Really changes your perspective.

@WilliamEdom 3 года назад

Company I work for at the time USG supplied the sheet rock, and studs for the building. Watched video were they used a plumb Bob in order to keep the building center onto itself. Had me chuckling. The amount of money tossed into the project and it took $20 worth of string to keep billions of dollars in line.

@richiewitkowski7142 3 года назад

4:03 I didnt know the guitar player for Iron Maiden designed this building well done my dude

@glass-yuzu 3 года назад

ah taipei 101, what a stunning and unique building

@uwa5609 3 года назад

I didn't know Burj Khalifa was made by lots of triangles. That was interesting!

@AllanThang 2 года назад

Actually, the challenging role is not an architectural but a structural designer. Normally, most people firstly think about the architecture when they see a building. Actually, the structural designer faces a lot of challenges and calcualation in strucutral designing process to withstand the lateral loads which are basically earthqauke and windloads.

@Hey.405 Год назад

I'm glad I have seen this architectural marvel

@chaosbreakerz4778 3 года назад

I feel so happy and exited when I see some video abt something from my place

@SunniDae333 3 года назад

I've been to the Burj Khalifa. It's incredible

@sumanthg.s1795 3 года назад

Big fan of your content keep posting!!!

@bumblebee2956 3 года назад

Thanks for mentioning FR khan....I true legend in modern architecture 👍

@FIRE_STORMFOX-3692 3 года назад

Great content

@muntahasubah8796 3 года назад

Proud moment for a Bangladeshi

@jakeboliver643 3 года назад

This commentators voice will forever comfort me

@K1LD3R 3 года назад

Nice one

@tlaloc5432 2 года назад

The mentionings around 5:15 really solidify why I don’t like the UAE and Dubai…

@farhansiddiqui1280 3 года назад

Before the pandemic, i would see the Burj Khalifa every day to and back from school.

@matthewmann8969 3 года назад

With lots of cables, ropes, chains, bands, drills, needles, screws, bolts, glues, tapes, and paints

@YouAndImpact 3 года назад

Nice 👍

@caijuu7775 2 года назад

"Hopefully future projects will prioritize the individuals behind these engineering marvels over the buildings themselves" I appreciate the optimism TED-Ed but I'm more likely to discover the secret of cold fusion under my bed than corporations will ever care about the people they employ