本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯
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If you are not a Physics person, read on and learn a fact of physics. ! J# v a t; M' J) Z8 D5 \
AMAZING!
* _5 P m/ j0 @/ K9 Z" ^. Y0 l5 OTVBNOW 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/ m& v/ X+ A) y公仔箱論壇Even after you see it, it is still hard to believe!$ G' `& e7 S% w2 v
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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。$ i: F2 g7 J* G) V" G# }. C7 b
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
' ]! J" V3 D% z% a. W. FThis is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
8 p7 `% Q. N' u- L7 JIt is located in the city of Magdeburg, near Berlin.
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) Y/ b+ X* K0 R6 r/ L- ~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。The photo was taken on the day of inauguration.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。( p+ m# P7 Y" J Z$ K' E Q% P
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
$ g. q9 F3 u$ ~2 J. [6 \$ ?6 ?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。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。+ K1 n) M: r8 K- {( ?- |; y% z/ ]& W# }
Question:公仔箱論壇. }: R4 C' }# n3 h
0 v' E0 c" _& F4 dDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,
$ s7 a' b- ]) gos.tvboxnow.comOr just the weight of the water? os.tvboxnow.com0 A& Z8 r0 i1 ^, H, c9 k8 P: F
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It only needs to be designed to withstand the weight of the water!
- W, A2 L* n8 F5 y6 Q% HWhy? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loadedos.tvboxnow.com& o$ S) |5 n6 X9 o2 L" p/ } N- D
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$ g3 s$ B) g7 h公仔箱論壇The Incredible Magdeburg Water Bridge in Germany
9 i/ [4 X% L" j$ Z) o' Utvb now,tvbnow,bttvbThe 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.
; B% N9 q0 d0 S公仔箱論壇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. 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。9 {7 @% j' l& g& o
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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. ! g/ W* b0 y$ f" m4 ]
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0 Y( A; `8 c$ v' xTVBNOW 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。公仔箱論壇, F( z1 B3 z2 V8 ^% Z. f* E
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。$ r! r# ?9 B! R
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