本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯
* w# _) ?8 j( \6 r: i. D* 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。/ g, H# B% M6 R; V; b
If you are not a Physics person, read on and learn a fact of physics.
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2 l% D9 c5 C5 r& j. U; ^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。Even after you see it, it is still hard to believe!tvb now,tvbnow,bttvb3 i) q& `: p& H- R4 y
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4 K) L% z* z- p4 Q7 C# o" b+ e5.39.217.76Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 公仔箱論壇0 E1 e) j6 F8 f, ?6 a/ s
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. tvb now,tvbnow,bttvb' S& R4 R+ A' {% e: j
It is located in the city of Magdeburg, near Berlin.
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* b/ T. K' T! o3 g# s; K公仔箱論壇The photo was taken on the day of inauguration.
6 R5 |" T; c5 E& m! D; F: |$ ?) L5 A5.39.217.76To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
4 ]" Z, v7 R0 }; lTVBNOW 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。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。& E4 i! l; \- n
Question:
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: Q. @8 F1 M8 t, k! SDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,
( ^8 D2 F! I" W4 h' H9 F5 @ `: c公仔箱論壇Or just the weight of the water? % }* b2 V; Q8 Y6 z/ P8 v; \+ n
) c6 `5 ]; V" t5 | G* M" S* cAnswer: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。# |$ ] j; W7 M( B z
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。7 n& c/ x2 e. f6 K( ?" l
It only needs to be designed to withstand the weight of the water!
( ^0 P6 v% i9 T: l1 A* Ctvb 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公仔箱論壇5 Y: H- [8 H- t/ b/ U, N
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.公仔箱論壇( ^9 P, |3 b6 Y5 y6 Q/ S8 \
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 ], J8 ?, B5 S# U; C R' s! | `tvb 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. ' u0 f1 o. Z, n9 ]5 o* h2 P' @
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% b7 Y7 j" G+ @/ 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。
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) T9 ? r, N! S0 O& a4 etvb now,tvbnow,bttvb公仔箱論壇3 s! s# ]: k; ]% B- Q( _
" I1 \4 }4 q! ^/ V q公仔箱論壇公仔箱論壇! ^, W$ h9 n5 y, V7 i/ {6 i
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