本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯
1 J4 _4 \% O: g9 Q; s) e; bTVBNOW 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。tvb now,tvbnow,bttvb; R. U7 H5 l3 d. w
If you are not a Physics person, read on and learn a fact of physics.
( N8 w2 F% K6 S" e, x0 Y DAMAZING!
2 ]& D: `5 u4 ]$ jTVBNOW 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。! ?2 k! X. t ?+ M
Even after you see it, it is still hard to believe!
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+ t# T1 J' K7 C+ Z! pMagdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! tvb now,tvbnow,bttvb4 S- ?9 O& m. L3 P o
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
: r5 C0 I7 T! R! }9 R5.39.217.77:8898It is located in the city of Magdeburg, near Berlin.$ C/ d/ t( Q: A/ K& b2 b& y
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The photo was taken on the day of inauguration.
' }4 v2 J R; ^$ ATo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
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Question:8 t, G \. d& ?
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( L. w% |/ ?1 H2 c0 v1 g
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
# p8 `- u5 b0 V m6 [" @0 _5.39.217.77:8898Or 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。8 E# \' u# w$ c
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。 ^2 N6 @ [0 o) K3 z
Answer: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 ?6 K' t4 |8 g" |2 O7 Z
P, I- V. P! `tvb now,tvbnow,bttvbIt only needs to be designed to withstand the weight of the water!
4 m* |& h* O& @5.39.217.77:8898Why? 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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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。" t2 G/ t+ u# V
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.
! ~. T& n9 T/ c. n* r; U: }3 b5.39.217.77:8898The 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. 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。: [4 A$ A9 J+ Q5 R
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。% T+ |1 ]1 W: e
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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