本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯
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. j6 j2 k: U/ k& G8 h& q0 {2 P# X8 ltvb now,tvbnow,bttvbIf you are not a Physics person, read on and learn a fact of physics. 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。- e9 b1 S* q7 O+ g! n( o
AMAZING!
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Even after you see it, it is still hard to believe!; M& r4 j- D7 _ O
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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。+ X( J& ^ U! R) t7 W
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
+ a! o) k; ]* h0 B; N: `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。This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
' S8 W- B$ r, j* h: Q4 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。It is located in the city of Magdeburg, near Berlin.公仔箱論壇) S4 X: I! X+ t, R) \5 D
7 x7 z' X# V* T- |5.39.217.76The photo was taken on the day of inauguration.公仔箱論壇3 m$ g) v, l; ~! F# o( U; _( T, I
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
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C7 Z4 |/ K' d$ ?* q* [; T% \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。Question:
9 E+ l h& v: e+ t9 i$ r- STVBNOW 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5 A: p- I. _$ e' [
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,0 y- e# ]/ u% d, m7 T% n
Or just the weight of the water? 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 G. z4 g- ]
# T y% j; o% e0 @Answer:
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# D1 ]/ G v1 Itvb now,tvbnow,bttvbIt only needs to be designed to withstand the weight of the water!
. P8 m# n: B- Z. w+ ]& l* c: G7 Z1 |tvb now,tvbnow,bttvbWhy? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loadedTVBNOW 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; N' R1 \8 Z5 p6 N
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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。( W: c! y: k2 M2 [6 Y0 D" k3 D2 h
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.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。' b* f) {# `8 _) M' s
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. 4 y" C+ N4 m% K( Q) o
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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. tvb now,tvbnow,bttvb9 C* K4 x$ T3 q2 f/ f
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# i0 |/ b: i3 ^; ]; {3 K# x3 _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 P2 N8 }0 o1 \. A# o- {; \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。
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% L! D' I0 S0 g8 j+ 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。- h5 M# q/ q9 [! p: n
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