EVER SEEN A RIVER OVER A RIVER?

lilitan008

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。/ a/ [- c% y2 X4 Q

% G) U" |9 Q; y6 S0 \7 u0 [: wtvb now,tvbnow,bttvbIf you are not a Physics person, read on and learn a fact of physics.   
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+ f% |  V& w. N1 w/ K" @Even after you see it, it is still hard to believe!
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5 c/ h% v* w  |' Z4 VMagdeburg Water Bridge in Germany  What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 5.39.217.76- Z3 `4 K& B6 h1 \& w5 e
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
7 x+ y- ~8 o( a  K2 IIt is located in the city of Magdeburg, near Berlin.& e/ ~* V9 f8 K: O

( e( W: [2 x9 y3 t6 ?' 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。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。5 y; x8 p* f0 Y" m$ l) G/ }' P
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.2 G7 z' R' t; |8 @# m9 O

0 T4 W1 Z( O& M: c' @: \8 U; V' V公仔箱論壇Question:, z! f4 v0 [! a% f; o- D5 ^
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Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,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。& Z9 q1 i3 \: F! @, c% p& z' E
Or just the weight of the water? 公仔箱論壇( N9 B; o* `- Q6 M/ V
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Answer:
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' C% t& {* z5 y! x0 q% N5.39.217.76It only needs to be designed to withstand the weight of  the water!
0 I: }/ S$ r! V- e公仔箱論壇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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" @$ t8 z4 d9 R" r" D& t/ rThe Incredible Magdeburg Water Bridge in Germanytvb now,tvbnow,bttvb) x4 v3 k6 d% s+ ~2 n, |% K
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.tvb now,tvbnow,bttvb/ n9 n1 e# i& `, W* j1 e9 q
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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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. 1 `6 U' Z3 z& b' I' D( j

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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。$ [; m9 J- S, Q, `+ k

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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5 c% D/ ^) {2 J
連通兩條水道的最初構思，而羅騰湖 Rothensee 升船機及大橋錨碇. B- R& o9 l# p9 G
也於 1938 年安裝就位，但在二次大戰期間，建設工程被推遲。
9 n6 l& d6 T  C1 E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。
; a. K8 [* `' z; J- H5.39.217.76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。  D  Q- W% u0 p' `7 n7 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
  q9 T* H  i" h2 m  c' G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。 - `( c3 S' S" y5 E. {" {
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
9 F% M6 [' ^' N1 m6 [( x: y+ b% Btvb now,tvbnow,bttvb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!!