本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 & R1 H; K5 z3 W) M& k/ L n
$ H9 `1 d* p2 \# Q; s7 Y" hIf you are not a Physics person, read on and learn a fact of physics.
0 V# |8 Y) p, P# tAMAZING!
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# T# x6 I v* |; z1 [- 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。Even after you see it, it is still hard to believe!
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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。) A3 I- S4 k4 `3 O- e: E) B, Z
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
& ^& p+ _. ?' s5.39.217.76This 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% X- _6 f3 K0 ~" Q+ i0 A. j
It is located in the city of Magdeburg, near Berlin.
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/ K$ r( N/ c, D" s& P9 _- aTVBNOW 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.
; I8 P2 ]' ?9 M. B0 CTVBNOW 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。To 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。7 T5 K; k6 n* f7 |
# L) j% _1 ~/ z, aTVBNOW 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。Question:5.39.217.76, m0 p1 \0 X1 y. V: m( I
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。 w: J8 z) r+ J9 P3 {
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
# _1 A6 m$ Y$ s- Stvb now,tvbnow,bttvbOr just the weight of the water? 公仔箱論壇+ v, A% A" g3 k* D2 t$ X* q
8 _1 f! V; e$ ~2 }公仔箱論壇Answer:
7 i8 S$ i# C# M公仔箱論壇
8 j* N& t) ~& T% L, UTVBNOW 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! tvb now,tvbnow,bttvb7 o) ~: ~* ~2 K. V
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% s m" g7 P/ p1 V
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: q4 V5 n' f3 MThe Incredible Magdeburg Water Bridge in Germany5.39.217.76# N: I' y i( n
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.8 }5 M+ Z3 `) v. j6 f+ d
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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0 w# i5 @% S H7 ZTVBNOW 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。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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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! E I' g) X' v/ h" X4 v
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tvb now,tvbnow,bttvb. @& J2 r5 d t/ ?" j! Y! C, N* U
" M) z1 C& B( f- j+ A8 ^* D5.39.217.76tvb now,tvbnow,bttvb- S+ K( O' G$ Y( G' ^- p/ G
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