本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯
! @4 e- \' W: F5 k+ J6 [% p
4 {5 Y* @- K, n% l5.39.217.76If you are not a Physics person, read on and learn a fact of physics.
R' y! g5 w4 p& s/ [& x3 c" R; ~AMAZING! $ @; D. [, B: ]+ T
5.39.217.76; ^. R# e8 L3 S$ m { A$ I, o; _
Even after you see it, it is still hard to believe!
- Y7 m- b& \% g0 F: q6 Btvb now,tvbnow,bttvbTVBNOW 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。- |0 b; z! J6 s7 A2 ]# w' d
- @: b9 Y. c) z4 K- F$ N' m
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
$ L5 q, w; ?8 ?. FThis is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
3 F& q Q6 P, W! XIt is located in the city of Magdeburg, near Berlin.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。% c" E$ M- e4 m1 D
% `1 Y4 k4 _9 ~ J, C# K, IThe photo was taken on the day of inauguration.5.39.217.761 E2 B# l4 f E4 [# [; j0 f# G
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.公仔箱論壇6 _+ {8 C% [/ v/ l4 _
3 p# M; E% E( I6 E; itvb now,tvbnow,bttvbQuestion:! p8 ?9 z" Y* z
公仔箱論壇2 f- C$ j% |1 l2 g/ d4 b4 ?
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,公仔箱論壇 \- D$ n' y2 p5 o- L6 G
Or just the weight of the water?
+ C. Y- |$ J8 x9 M! D) t7 j' a6 otvb now,tvbnow,bttvb2 t4 h; a1 k6 {2 _+ Z
Answer:tvb now,tvbnow,bttvb9 ]5 v4 u" U$ b% W. E t s. _- E
* z7 u! V9 t0 r/ V3 m1 ^. K8 b @
It only needs to be designed to withstand the weight of the water!
# h8 M) u9 g" t/ itvb 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 loaded7 T# p9 e0 j4 G" ~* i: V
5.39.217.767 Q# r# g B8 g } o" y( C# Q
6 K2 C: H) t% }- O公仔箱論壇The Incredible Magdeburg Water Bridge in Germany2 C; Y$ o4 i. C6 j
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.
+ [. v% L$ i7 n$ RTVBNOW 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.
l2 i% s+ ^) e! U4 d5 J1 p& c) x: z5.39.217.76
7 Z, T' t7 C( T+ @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. 8 \0 `3 t) v% [
6 v, [; P: B) C2 b. X8 A7 ]. y8 qTVBNOW 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。5.39.217.76: r. ]) F3 B" r- `- q/ f6 |9 ^
# z0 a3 t4 R5 B$ Ktvb now,tvbnow,bttvb n( c9 H! F- s9 E, V; s' a4 l" n
6 [2 d F( V+ e: q; B7 w
# S' G) D5 {. ` Q
% Z" _6 U" m' a. `) j5 T, t0 Xtvb now,tvbnow,bttvb/ v# e" ^8 K+ { ?5 ` d
9 t( [- ?9 ~1 I* R |
發表於 2011-10-2 10:09 PM
| 
發表於 2011-10-4 11:33 AM
| 
發表於 2011-10-15 09:35 PM
|