本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 - [6 w7 J* q5 a+ j3 ~0 o% P* l1 U
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If you are not a Physics person, read on and learn a fact of physics.
9 a7 b' C1 l/ Stvb now,tvbnow,bttvbAMAZING! 2 W8 \1 B* u6 a& P9 L
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Even after you see it, it is still hard to believe!
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$ r- M% B8 w# E6 \6 R* 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。Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
7 ? d4 \ `1 y4 CThis is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 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。5 j7 Q4 ]7 [1 M1 u
It is located in the city of Magdeburg, near Berlin.0 ~2 Q5 Y$ r' q% ^, ~/ I0 g
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The photo was taken on the day of inauguration.www3.tvboxnow.com& {/ ?: R& r* n& \
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.tvb now,tvbnow,bttvb. a% E$ {* N+ i2 w7 E+ {$ e: h
( \5 Z% j. _4 b) pQuestion:
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: ~5 h1 E/ o% W# v2 P公仔箱論壇Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,2 f3 R, N; ]1 h
Or just the weight of the water? 公仔箱論壇; N. V' ^' o, x: }$ V
, M3 b5 h4 Y* P! p r9 wAnswer:
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It only needs to be designed to withstand the weight of the water! 公仔箱論壇/ B4 i- n/ a- I0 g. Z
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公仔箱論壇, c; {; E3 S1 `- G6 o
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The Incredible Magdeburg Water Bridge in Germany
3 ~& S" H& t( [+ s& R6 E/ r# itvb now,tvbnow,bttvbThe 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.
% @2 v& x# g6 ~8 \7 u* p6 M5 ?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。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 B9 P& s* a) v公仔箱論壇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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- q# }( \# h' v6 V$ m" 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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