EVER SEEN A RIVER OVER A RIVER?
本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯
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/ h; A: Y; c" a3 U9 L# ~! s4 a" ?TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。If you are not a Physics person, read on and learn a fact of physics.
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5 }. c& a! ]. L* ^$ x5 }Even after you see it, it is still hard to believe!
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: T4 e& ~0 x# Z. {TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。. Y8 y. n7 s! \
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
2 o, u q, T/ i$ IIt is located in the city of Magdeburg, near Berlin.
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* K" m: ?: ^8 D7 Q* ]tvb now,tvbnow,bttvbThe photo was taken on the day of inauguration.
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Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' A4 f+ e0 k& t
Or just the weight of the water?
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Answer:
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5 W" b0 _0 g1 ]( r. T. E: owww2.tvboxnow.comIt only needs to be designed to withstand the weight of the water! 0 I. S- D% e7 M g7 g
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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The Incredible Magdeburg Water Bridge in Germany
+ S0 I% W1 P4 P- RThe 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.www2.tvboxnow.com& o2 u" A: |2 _* U3 K
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. {8 [% w! S1 l! E+ X& P
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