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標題: EVER SEEN A RIVER OVER A RIVER? [打印本頁]

作者: lilitan008    時間: 2011-10-2 10:09 PM     標題: EVER SEEN A RIVER OVER A RIVER?

本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 tvb now,tvbnow,bttvb5 }+ U' V9 f3 w6 W' K* a! y# d  K, C

  v0 x! e# C0 Z7 ~If you are not a Physics person, read on and learn a fact of physics.   tvb now,tvbnow,bttvb: e& q7 ^+ [. G3 L6 N
AMAZING!
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Even after you see it, it is still hard to believe!

6 a( x& \& p& b- d5 ^; ]. l公仔箱論壇[attach]1486499[/attach]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。* L! }4 _! d& ~$ ]/ d
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Magdeburg Water Bridge in Germany  
What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
3 R1 z8 ]# z  Y! L9 z! W- }1 a5.39.217.77:8898This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. : r* V- k+ J! S  W, \2 F! d2 e3 P- j/ e- R
It is located in the city of Magdeburg, near Berlin.
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  V# V/ {! w! g( e% e5 V+ _tvb now,tvbnow,bttvbThe photo was taken on the day of inauguration.5.39.217.77:88982 t1 g0 t) o4 l. L- M
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.$ K2 i& a! Z8 A0 t# w# l- W

) c8 j( Q2 \  }0 E( d4 iQuestion:

! W$ E! V; }0 ]1 Z5.39.217.77:8898TVBNOW 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。6 B$ z; a# u2 H
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,tvb now,tvbnow,bttvb, l& e; a2 V( V2 z& a
Or just the weight of the water? $ O2 d6 h( A2 \6 q
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Answer:
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It only needs to be designed to withstand the weight of  the water!
$ O, C- W' F9 W0 o4 n. s$ `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 Germanytvb now,tvbnow,bttvb% B: n8 D5 h4 f3 ?
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. 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 U( r$ h( \; @+ q6 N( v5 _# ]
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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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[attach]1486502[/attach]
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4 E  y/ ~6 ]6 k$ A1 QTVBNOW 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。[attach]1486504[/attach]tvb now,tvbnow,bttvb" d  h8 o# o7 r8 \8 b% ?
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作者: busyfun    時間: 2011-10-4 11:33 AM

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
' p  t7 P2 t4 S5 U& D/ Etvb now,tvbnow,bttvb連通兩條水道的最初構思,而羅騰湖 Rothensee 升船機及大橋錨碇
3 k  J: t. [2 |5.39.217.77:8898也於 1938 年安裝就位,但在二次大戰期間,建設工程被推遲。
6 Q# }* A! w; }8 @2 v! G% I7 G公仔箱論壇隨後的冷戰時期,德國分裂,該專案被東德政府無限期地擱置下來。
  \! J  q7 E  T" d. h* P" N+ _: Q5.39.217.77:8898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。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 j  P7 G% s5 h7 `( L( w% J3 U
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
" t6 w! e! w  E( v; Y; o' `5.39.217.77:8898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。 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。8 o# {0 V" l5 M
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5.39.217.77:8898; l1 M4 g( V5 Q' G7 I- ?# x
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。
作者: swyip21    時間: 2011-10-7 10:19 AM

多谢您的分享!
作者: Mimisan    時間: 2011-10-12 11:01 AM

first time heard & saw it, thanks for sharing, thanks tvboxnow!!
作者: pepperjellabies    時間: 2011-10-15 09:35 PM

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