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Good question. Floating bridges are made of large water-tight concrete pontoons connected rigidly end-to-end, upon which the roadway is built. Despite their heavy concrete composition, the weight of the water displaced by the pontoons is equal to the weight of the structure (including all traffic), which allows the bridge to float.
@@Being_Unidirectional While the outside structure of the pontoons is made of concrete, the pontoons are made up of multiple hollow, watertight cells. Since the pontoons are so large and deep, they displace a lot of water. This volume of water displaced weighs more than the weight of the pontoons, which enables the pontoons to float. (Think Icebergs!) The hollow cells inside the pontoons helps keep the overall weight low enough to float. If you want to learn more, we'd recommend researching the Archimedes' Principle - that's the science behind how pontoons float!
Nice animation. Good job.
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How these huge pontoons float?
Good question. Floating bridges are made of large water-tight concrete pontoons connected rigidly end-to-end, upon which the roadway is built. Despite their heavy concrete composition, the weight of the water displaced by the pontoons is equal to the weight of the structure (including all traffic), which allows the bridge to float.
@@wsdot Still i didn't understand 🙏🏼
@@wsdot i understand but how can tje weight of pontoons(made of concrete) be equal to weight of water... Is thier density same?
@@Being_Unidirectional While the outside structure of the pontoons is made of concrete, the pontoons are made up of multiple hollow, watertight cells. Since the pontoons are so large and deep, they displace a lot of water. This volume of water displaced weighs more than the weight of the pontoons, which enables the pontoons to float. (Think Icebergs!) The hollow cells inside the pontoons helps keep the overall weight low enough to float. If you want to learn more, we'd recommend researching the Archimedes' Principle - that's the science behind how pontoons float!