本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 公仔箱論壇& V: F' r! R2 k& [" w" \, R
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If you are not a Physics person, read on and learn a fact of physics. 公仔箱論壇9 [. P( F% |2 T4 J B G; g
AMAZING!
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Even after you see it, it is still hard to believe!
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3 @- c6 a: G& B) }+ yMagdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 5.39.217.76- r/ s$ C8 h. L/ L
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. s4 B; t7 b3 e' `4 Q0 `6 B+ K" ^
It is located in the city of Magdeburg, near Berlin.
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The photo was taken on the day of inauguration.
0 l9 G; s0 h1 V7 u5 D, 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。To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
7 N0 E) y1 V! @' f) Q/ FTVBNOW 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& v' i; A+ |1 o" g1 W5.39.217.76Question:
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Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
* B, _$ o8 e2 c8 K- r+ _2 |公仔箱論壇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。; x7 n9 [& j: [) u1 K
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Answer:5.39.217.762 e/ i& S9 e4 I$ V6 ]# V+ c
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It only needs to be designed to withstand the weight of the water!
8 }5 T* [8 L0 Utvb 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 loaded
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The Incredible Magdeburg Water Bridge in Germany
+ ~6 j( j$ ?9 p) K, X& C* yThe 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.
0 U6 |' R6 i6 M: K7 D- a- K, Etvb now,tvbnow,bttvbThe 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。1 ?4 [; R$ J5 k3 Z/ L( i
# S/ t/ b/ S9 ?0 CConstruction 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. + Y; r3 ~. A% h' }5 l( q2 w
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1 [/ m8 n8 J( r4 o: 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。" C3 _" e% e) `. v! n$ l
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3 X) V4 C0 a4 ]; c9 L- x* ~9 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。5.39.217.765 j) |3 v0 h' h6 C5 w- U+ p& m& K5 \
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