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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
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% Q9 R, o+ M* Z5.39.217.76If you are not a Physics person, read on and learn a fact of physics.   
! R; k/ O+ L& m+ Q% A6 {( F2 A5.39.217.76AMAZING!
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+ d$ X9 ~+ g" Y) `# \: i  JEven after you see it, it is still hard to believe!
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/ P* a/ H8 B% m5.39.217.76Magdeburg Water Bridge in Germany  
What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
3 c' ?5 E& z: T0 a0 j' n6 s4 {5.39.217.76This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 5.39.217.76% O$ z/ w9 M) O, x6 N
It is located in the city of Magdeburg, near Berlin.

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9 ~6 @: f) ^, Z) m/ p公仔箱論壇The photo was taken on the day of inauguration.
8 V3 F) y- D% z# b  e5 o$ f8 Q5 T4 TTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.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 e0 Y) S6 X) i6 W, H! G6 U
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Question:

% @) @! J" X5 P1 }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。
; X  v3 i9 }- K4 E7 R! W' K8 `; X5.39.217.76Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,$ o4 p% a- ~' P) @9 Q8 C3 ?" f
Or just the weight of the water? ( i, n6 i9 @4 G7 u/ }: Y/ ^- D
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Answer:

2 z* i! m9 j. x" t: C1 A1 Z, U$ Rtvb now,tvbnow,bttvb
5 I" r$ V! v' _, M# O. LTVBNOW 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。It only needs to be designed to withstand the weight of  the water!
$ s( ^8 K5 X- A) AWhy? 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 GermanyTVBNOW 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。( _" V; O/ }; m( j0 S
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.
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, ^6 G, |4 D  \$ xtvb now,tvbnow,bttvbConstruction 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 G/ x0 y; H% x& ~+ J4 s: g

+ [% y5 @  @2 p4 A' l, DTVBNOW 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。
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6 s8 w" [2 O& R0 C  H5.39.217.76TVBNOW 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。1 n, c5 y' {) T
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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
- d$ w2 ~% p" ^3 ~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。連通兩條水道的最初構思,而羅騰湖 Rothensee 升船機及大橋錨碇
' s8 k: X& i( `/ s5.39.217.76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 a4 s' R  k# B& }
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。
& e4 K' D; _8 |" |+ Z( @$ ^+ wTVBNOW 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。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。
. _0 V2 |1 g* h4 _" H3 B6 _1 @' S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
/ \) L3 c8 e6 @' g  W( f, {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。
, |. O$ T/ t% E1 ^; d/ ?' L0 N1 [) ?0 HTVBNOW 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。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tvb now,tvbnow,bttvb3 t9 @4 O: f& P# I. {/ p9 ~: a
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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