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"𝐒𝐮𝐬𝐩𝐞𝐧𝐬𝐢𝐨𝐧 𝐁𝐫𝐢𝐝𝐠𝐞: 𝐇𝐨𝐰 𝐚 𝐁𝐫𝐢𝐝𝐠𝐞 𝐢𝐬 𝐁𝐮𝐢𝐥𝐭 𝐨𝐯𝐞𝐫 𝐃𝐞𝐞𝐩 𝐖𝐚𝐭𝐞𝐫?" 🚀 This video dives into the fascinating engineering behind suspension bridges, showcasing the innovative techniques and cutting-edge technologies that make these marvels possible. From initial design challenges to the final construction phases, I explore the complexities and ingenious solutions that enable us to span vast water bodies with grace and strength. 🏗️ Whether you're an engineering enthusiast, a professional in the field, or simply curious about the wonders of modern construction, this article offers a detailed yet accessible look into one of civil engineering's most iconic structures. Let's connect the world, one bridge at a time! 🌐 Video source: https://lnkd.in/dACwiYPH @3DLivingStudio The respective owner(s) hold all rights and credits reserved. #CivilEngineering #Infrastructure #Innovation #EngineeringExcellence #ConstructionTechnology #SuspensionBridges #EngineeringCommunity #StructuralEngineering #DesignThinking #ProjectManagement #concretefunda #bridgeengineering #bridgeconstruction #bridgedesign #bridgeengineer

Transcript

Hello everybody, my name is Lucius. Today I'm going to talk about how a giant bridge is built over deep water. In this video I'm using a suspension bridge as an example. First, let's talk about how it works. Suspension bridge parts consist of towers, anchors. Main cable hangers or suspenders and bridge decks. When vehicle drive through the deck and put up a lot of weight. The deck is suspended by the hangers, that is why it's called suspension bridge. The weight then creates tension to the main cables with equal force on both sides and finally the weight transfer to the towers. On both sides of the bridge there are anchors. They hold the main cables in position. Now you can see the weight load being carried by all parts of the bridge. Now you probably wonder how this giant bridge is built. The construction first started with the bridge towers. The underwater part is called APIA. There are three main methods should be underwater peers using pile, foundation, cofferdam and caisson. �� of foundation constructed by drilling down to the riverbed. Installing rebars, then pouring concrete. Another method is to use a coffer dam. Cofferdam is built by individual slates. Then water is pumped out, creating a water free and safe space while construction workers. When it is done, the coffer dam will be removed. The next method is using cason. This is a reinforced concrete box builds offside and then they leverage the location using a submerged vessel. Faison is sunken down to the riverbed filled with sand inside. After the underwater appears a built the construction of the towers begins. At this time it is no longer underwater, so the construction happens as usual. After the towers are built, it is time to put on the main cables. The main tables look small from the far distance, but it is actually very big in diameter if you look closer. For the reference you can see here is the size of the Golden Gate Bridge main cable. The main cable consists of so many small steel wires in it. There will be squeezing together to form a big main cable. And then covered by armor plates to prevent weather damages. The whole cable is very big and heavy, so it has to be installed on site by each little wires. This process is called cable spinning. On top of the towers there are saddles. That's where the cable will be laid on. Workers need to install a travel roadway and a walking platform. This is a cable carrier. It carries small wires across the top of the towers through the entire bridge. The cable carrier has to make so many trips back and forth to deliver small wires until it is enough to form a big main cable. This process could take months. When the main cable is done, the hangers will be installed. The final part is the installation of the decks. Decks are different pieces built off site than be lifted up using a crane. Next connect to each other and to the hangers. They must be installed starting from the towers and grow outward on both sides. In this ways, make sure to not throw the towers off balance. But it's pretty much a quick way to explain how a giant suspension bridge is.

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CONCRETEFUNDA

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