EVER SEEN A RIVER OVER A RIVER?
本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 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。1 h& {! [- D( _$ M+ d8 g
; d+ M1 u& I- _. R' B# TTVBNOW 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。If you are not a Physics person, read on and learn a fact of physics.
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% R5 B5 z3 G# c! V9 A7 {/ p公仔箱論壇5.39.217.778 M; `0 ?' u" q A8 s3 T! Z
Even after you see it, it is still hard to believe!
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9 Z0 X" i8 ?4 H3 }! {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。Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 5.39.217.775 {+ l/ V) ^. e; `- D8 X
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. ( W( y* P$ P& o* X! ]
It is located in the city of Magdeburg, near Berlin.) a# R+ D2 D4 J' @; p
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。( G8 k) }0 d4 ~/ B4 |# g% f* H8 s# a
The photo was taken on the day of inauguration.tvb now,tvbnow,bttvb9 v5 [5 R4 `' { E- _8 P9 g
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.3 a+ R7 F/ R' z" V ~+ @# W. W5 |3 a
% l( _# X( b3 _5 \, X9 t- c公仔箱論壇Question:" _2 ~& s; J9 f! h2 m, }
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Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,公仔箱論壇+ g2 o8 O$ j# C) x' E
Or just the weight of the water?
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Answer:
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6 v" q6 Z3 O+ ?& a; |9 tTVBNOW 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!
# i9 v6 V. m" V7 Q* y4 P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
d( V: C3 w" B6 U4 p7 |$ }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。 r) F5 Q% |# ?- e6 Q
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The Incredible Magdeburg Water Bridge in Germany
1 B; m( \4 X, }8 U7 ]5 g5.39.217.77The 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.5.39.217.77) R3 T' p7 H* c. t8 c8 M; [
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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8 _/ k$ M( l! B7 {, P8 b! F0 ZConstruction 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. 5.39.217.770 G4 \$ ]8 @4 s$ D4 Q0 G
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" h- Z. {& I: a2 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。
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( `$ h/ B* i. F" S3 [1 h* Y公仔箱論壇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 ?( M/ F4 o: \* w
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