EVER SEEN A RIVER OVER A RIVER?

lilitan008

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If you are not a Physics person, read on and learn a fact of physics.   
1 U! t) o2 E" s" E) s: Itvb now,tvbnow,bttvbAMAZING!
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% H; X& l# i: _/ g8 P. XEven 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。9 c7 W! ^( W8 ~0 m

( r8 n; s$ S. g- \7 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。公仔箱論壇$ w( p4 U/ e& ~8 c& F$ _* _# v% f
Magdeburg Water Bridge in Germany  What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 7 j+ k3 k3 {+ u9 z
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
# q1 y" q3 F+ k1 p7 L  Z, HIt is located in the city of Magdeburg, near Berlin.tvb now,tvbnow,bttvb) D0 }6 |( E) z- X: l, `

: }# W) T; q8 o- ~7 {5.39.217.77The photo was taken on the day of inauguration.
# Y( X* I( p3 x( D: c0 t# [tvb now,tvbnow,bttvbTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
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, d( M( h5 U0 W0 O4 k4 s$ z5.39.217.77Question:
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. h* g! v& k  _/ B- G' h$ z' NDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,tvb now,tvbnow,bttvb5 J: J  {, z! K  w$ |0 h( }
Or just the weight of the water?
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  Q- f% T/ g0 {' f- M公仔箱論壇It only needs to be designed to withstand the weight of  the water!
- {/ R/ v, Y1 X! X3 A9 w! V) [5.39.217.77Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loaded# @8 k. H5 Q. K5 b0 s. J- i

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The Incredible Magdeburg Water Bridge in Germany5.39.217.77# w* v- A; s, G, i8 x) K$ t
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.
- N4 ^3 g) j8 _- i- @0 jThe 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. 5.39.217.776 U6 m2 I* E# ?  Y6 g9 V
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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
8 {) Y6 D% O2 b8 I' 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。連通兩條水道的最初構思，而羅騰湖 Rothensee 升船機及大橋錨碇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。! G' C1 p4 T: k, p
也於 1938 年安裝就位，但在二次大戰期間，建設工程被推遲。5.39.217.77$ R# v% b8 p8 f6 q7 U: [
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。5.39.217.772 X, A0 L2 a- C1 B' N  O6 }
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。' l. s- u! t; [! E' L5 f2 u1 m
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
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; @4 a4 }  q4 u0 d# V# o0 m5 @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
/ m! o) I6 O9 A$ }7 ~公仔箱論壇易北河-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!!