本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯
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2 l- q3 y( V* k0 a8 A* w公仔箱論壇If you are not a Physics person, read on and learn a fact of physics.
h- p8 C8 e0 i" N+ N) @% bAMAZING!
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Even after you see it, it is still hard to believe!
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Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! tvb now,tvbnow,bttvb' \+ ], m# [9 H' h2 B- k
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 5.39.217.77) Y. _: F$ V$ [: H) m' z# A
It is located in the city of Magdeburg, near Berlin.
( \% {4 L% U7 y3 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。
- h9 n) _! @* p! U' dThe photo was taken on the day of inauguration.
$ p: b' H) D3 G8 k5.39.217.77To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.tvb now,tvbnow,bttvb( X- w3 _/ _4 \$ v5 |
0 V c7 k `$ L公仔箱論壇Question:公仔箱論壇5 y" l7 p8 G8 |7 k7 L& R
- _( A/ @. P: N- b. o" r+ R% Ktvb now,tvbnow,bttvbDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,5.39.217.77! N5 b- I7 T* D, ^+ R$ |; n
Or just the weight of the water? * ^; y/ [% M9 U) {; ^/ h5 c
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Answer:公仔箱論壇! J* b7 f4 o% {2 f$ O0 Y, Y; Z
0 c! s8 g$ S" n; J8 ]; o: T1 ^5.39.217.77It only needs to be designed to withstand the weight of the water!
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The Incredible Magdeburg Water Bridge in Germany* D7 }# @4 P# q% b/ e' n% Z
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.
1 e3 Z+ b/ Y" N5 ~: \6 Z1 n2 X公仔箱論壇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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# u: D6 a4 h. L! m. V6 e0 ftvb now,tvbnow,bttvbConstruction 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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公仔箱論壇: G! U+ O E I/ z
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5 `4 f0 X3 N3 GTVBNOW 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。9 `6 j% Q' [+ q4 w' n I6 M. V. A
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