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EVER SEEN A RIVER OVER A RIVER?

本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 公仔箱論壇" N0 R8 n. p7 w' \( i7 w9 G, v2 q% \
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。0 i' }! M6 S. V8 c2 ~
If you are not a Physics person, read on and learn a fact of physics.   
/ y2 B: T* A6 _; L( R& aTVBNOW 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。AMAZING!

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Even after you see it, it is still hard to believe!

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3 t# `5 g8 ?+ p  m1 _- `* v0 _公仔箱論壇Magdeburg Water Bridge in Germany  
What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
: _$ O  w, ?( d: U0 T! [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。This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 5.39.217.765 c# D9 V  F; c% e, n0 ]$ P
It is located in the city of Magdeburg, near Berlin.

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( R0 X( E/ ^' Ztvb now,tvbnow,bttvbThe photo was taken on the day of inauguration.5.39.217.76$ K& {7 |- A& G4 A
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
2 C* v) V$ S3 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。5.39.217.76. `+ ?2 }$ _0 V2 m  t4 e* q* Z
Question:
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7 v4 b1 i( ?. BDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,7 p4 L% c" x6 v- u
Or just the weight of the water?
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Answer:

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It only needs to be designed to withstand the weight of  the water!
5 W6 A8 H  s- J7 R& T% `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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tvb now,tvbnow,bttvb: I0 y: s3 Q2 a6 ~" @

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The Incredible Magdeburg Water Bridge in Germany3 Q3 d8 R7 a" ]9 z' E% a
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.
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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.
3 l, `( M' |. 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。5 v0 t. ]  u3 F
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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平壤核子能源研究所
這宏偉壯觀、傲視寰宇的工程傑作早在 1919 年工程師們即已提出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。; H) G1 L- L& P4 o) |
連通兩條水道的最初構思,而羅騰湖 Rothensee 升船機及大橋錨碇
$ G8 r# }) A7 [/ J, j" ?9 C- L也於 1938 年安裝就位,但在二次大戰期間,建設工程被推遲。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 t6 M3 n; U- h9 ^% s
隨後的冷戰時期,德國分裂,該專案被東德政府無限期地擱置下來。
  p" }6 b% e# l0 }7 O公仔箱論壇德國重新統一後,隨著道路交通重大工程規劃的編制,水橋再次成為一個優先專案。& r% E1 b; [, [0 f' `
於1997年開始建造,經過 6 年,耗資 5 億歐元,2.4 萬噸鋼材和 6.8 萬
. Y; @' P2 d0 }- o$ q3 ^立方公尺混凝土,完成了巨大的水橋,連接柏林的內陸港與萊茵河沿岸港口。 5.39.217.76* K" R+ K( f1 o& N/ ]# [
2003 年正式通航,水橋全長 918 公尺。 而 2003 年之前,在米德蘭運河和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。' C3 p! N7 U. I* I( O* C7 l+ S
易北河-哈威爾運河之間運行的船舶不得不繞道 12 公里通過。
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  • k23bb

多谢您的分享!
first time heard & saw it, thanks for sharing, thanks tvboxnow!!
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