River Over a River ... Cool!

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mohd fariz abd malek

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Sep 29, 2011, 7:36:50 AM9/29/11
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Thanks

 

Best regards,

 

Captain Mohd Fariz

Marine Manager | MISC LNG Liaison Office Japan | LNG Business | MISC BERHAD

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If you are not a Physics person, read the last paragraph and learn a fact of physics.

cid:5C4A0DCF7C1B441CB3FF7764744432F5@louginPC

This is a channel-bridge over the River Elbe and joins the former East and West Germany ,
As part of the unification project. It is located in the city of Magdeburg , near Berlin .
The photo was taken on the day of inauguration . . .

To those who appreciate engineering projects, here's a puzzle for you armchair engineers
. . . and physicists.

Question:

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 needs 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

Saturday, April 23, 2011

The Incredible Magdeburg Water Bridge in Germany
The Magdeburg Water Bridge is a navigable aqueduct in Germany that connects the Elbe-Havel Canal to the Mittelland Canal , and allows ships to cross over the Elbe River . At 918 meters, it is the longest navigable aqueduct in the world.

The Elbe-Havel and Mittelland canals had previously met near Magdeburg but on opposite sides of the Elbe Ships moving between the two had to make a 12-kilometer detour, descending from the Mittelland Canal through the Rothensee boat lift into the Elbe, then sailing downstream on the river, before entering the Elbe-Havel Canal through Niegripp lock. Low water levels in the Elbe often prevented fully laden canal barges from making this crossing, requiring time-consuming off-loading of cargo.

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Construction of the water link was started as early as in the 1930s but due to the World War 2 and subsequent division of Germany the work remained suspended till 1997. The aqueduct was finally completed and opened to the public in 2003.

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