EVER SEEN A RIVER OVER A RIVER?

lilitan008

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# {" Y; Z& v& `+ ~7 x5.39.217.76If you are not a Physics person, read on and learn a fact of physics.   5.39.217.76" B' ^' V/ T# G- K  |: e
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- D& d. }7 C; S公仔箱論壇Even after you see it, it is still hard to believe!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 q8 v% I. U1 k! e3 [  A+ t
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& T& Z1 z4 O: b  S1 p7 @# D$ l3 }5 Ttvb now,tvbnow,bttvbMagdeburg Water Bridge in Germany  What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
; T" B" I; T1 U5.39.217.76This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
" o! w$ u1 T* m3 s, t1 K. Gtvb now,tvbnow,bttvbIt is located in the city of Magdeburg, near Berlin.5.39.217.76" X  v3 J- |7 z3 N! P  f
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The photo was taken on the day of inauguration.1 E; F; P% j( {7 T- K
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
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& I* Q5 H5 C" @; ?0 K, y0 rtvb now,tvbnow,bttvbQuestion:
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9 d; P* @! A$ `& aDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,公仔箱論壇- d2 o; u' Z# t; `
Or just the weight of the water?
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, ?6 a& W1 P6 p3 P: q( [tvb now,tvbnow,bttvbAnswer: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。  x1 x+ g! m+ D& r% [

. ?. B' n3 B0 v6 B0 _6 N$ r1 M8 Rtvb now,tvbnow,bttvbIt only needs to be designed to withstand the weight of  the water! - g. h% O9 C% g1 f, \7 O. F7 ]! I7 r
Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loadedtvb now,tvbnow,bttvb( b2 {: ?( n& t

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4 {" ?8 o! v) L8 B0 L6 \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。& e6 L4 _; {6 L- B3 e  \
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.
+ ^7 G( Z1 M6 L; K% P/ ]* \tvb now,tvbnow,bttvbThe 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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busyfun

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
* `! W2 `  A5 ?) W, ^4 d6 L2 v連通兩條水道的最初構思，而羅騰湖 Rothensee 升船機及大橋錨碇tvb now,tvbnow,bttvb$ W6 U7 s& {( d: Z& }
也於 1938 年安裝就位，但在二次大戰期間，建設工程被推遲。
0 h/ l* d6 P, ~! _  t0 Ctvb now,tvbnow,bttvb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。2 o$ L- U# C( H) E5 h# A# w
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 K2 m" ?3 S! F+ v. p5.39.217.76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
' @! G; G: s/ m- @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( @8 y& ^* d! U: p
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' d$ Y4 w5 J6 X3 n
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。

swyip21

多谢您的分享！

Mimisan

first time heard & saw it, thanks for sharing, thanks tvboxnow!!