本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 5.39.217.779 H4 Y/ y9 ~7 p( i! h& Y; w; @+ W
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If you are not a Physics person, read on and learn a fact of physics. tvb now,tvbnow,bttvb9 t& k5 g' {5 G5 @ k
AMAZING!
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7 K/ c7 a) j9 E! jEven after you see it, it is still hard to believe!
( i) b- i0 U R8 `/ E6 ~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。) S. w6 f2 ]" Q* W& ?
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Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 公仔箱論壇. S# ~1 d, N0 k9 K: w8 z1 z. x v
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. % _9 o' |$ _: M
It is located in the city of Magdeburg, near Berlin.
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8 @" i; b! v4 ], ITVBNOW 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。The photo was taken on the day of inauguration.
$ F; e' Y( ]: N9 _& F! o' R0 `To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
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z- M N; s0 U% T# B* ?2 a公仔箱論壇Question:tvb now,tvbnow,bttvb \# a9 l, C5 }0 O) H
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Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
! `- \4 o3 `5 y7 M q# |5.39.217.77Or just the weight of the water? 5.39.217.776 U1 ^" @( O- m: |5 M3 G# E
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( ?' I" x9 Z5 [It only needs to be designed to withstand the weight of the water! 4 X, X5 B, q& u. y7 C
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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+ a3 a; e4 d `5 ?$ x2 NTVBNOW 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。The Incredible Magdeburg Water Bridge in Germany
R: S+ T( h2 qThe 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.; }& g0 T4 O% ~' H; ?
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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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。4 J- n" d5 t% [' R# N
( _2 j* c7 z! cTVBNOW 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。' K, c9 h3 O# J9 V7 E9 b
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。) B# L: M% l1 b1 }" P
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