Germany: The Magdeburg Water Bridge - Wasserstraßenkreuz Magdeburg
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Top Comments
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To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. Did that bridge have to be designed to withstand the additional weight of ship and barge traffic, or just the weight of the water?
Answer:
It only needed to be designed to withstand the weight of the water!
Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loaded.
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I lived so close to the bridge, even before it was all done my friends and I would ride our bikes there and walk in it - there was no water in there then.
All Comments (18)
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глубина какая-то небольшая , не нравится что человек имеет право так влиять на природу
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I need to be there!! Will they stop by here on the euro-trip i booked this summer? Mine will also include Netherlands and Berlin!
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@patrickiocunningham Always a little bit more weight, cause the depth increases when you place mass on the water (but because the river is so long, it can be neglected). Also if the boat hits the bottom, the bridge has to withstand the extra force. It can be seen like this: the depth doesn't increase but because the boat weighs more than the displaced water, the force on the bottom increases. Also for items denser than water. It goes to the bottom and the force is stronger than it was only water
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@Johneymc man why did they construct it?
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outstanding...
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@OusanYmon Looks like they're doing it right this time. Good for them.
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@Johneymc That's a fascinating story. Must have felt strange knowing the spot you were walking would be underwater soon. I bet you look at the aqueduct different than others.
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@JetMechMA Europe has a history of devastating wars and breathtaking periods of rebuilding.
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It's hard to believe that WW2 took place in Europe. Now, Europe outshines America in so many ways. Sobering.
whats the name of the song?
valendiita 2 years ago
The song is called 'Naval'. It is from Yann Tiersen
waterways52 2 years ago 2