標題: EVER SEEN A RIVER OVER A RIVER? [打印本頁] 作者: lilitan008 時間: 2011-10-2 10:09 PM 標題: EVER SEEN A RIVER OVER A RIVER?
本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 公仔箱論壇" K, L; C$ ]3 w
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If you are not a Physics person, read on and learn a fact of physics. 5.39.217.77:88984 L. v, E) c) }( B, _- U1 ]
AMAZING! . C4 A9 {( P! ]5 S) W5 @! I公仔箱論壇 ) B, q. ~- M. ^; @Even after you see it, it is still hard to believe!tvb now,tvbnow,bttvb' ^9 g7 e( ^- T6 i' Y. J [attach]1486499[/attach] & L. E. I! ~7 U- A0 n9 S7 XTVBNOW 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。 2 L; c' R1 A8 f) }5 p: ~5.39.217.77:8898Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! " }1 u6 r) n; K3 l$ v: ^% Q
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. ; `, n+ n( o8 Y/ y; U! ^It is located in the city of Magdeburg, near Berlin. % Q1 u+ R I, A9 E( V公仔箱論壇 6 b7 U4 [7 Q3 T/ XThe photo was taken on the day of inauguration.tvb now,tvbnow,bttvb7 I% a7 B2 P) z, P1 ?; f3 w7 T; A* H
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. ) G8 W. ^# d$ Q/ p5 j4 t2 }! r$ c4 itvb now,tvbnow,bttvb 0 B; t! t* z$ T `3 g8 LQuestion: / L+ e, y* D! b2 G) pTVBNOW 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。 3 ~" b( ^4 u* }: j9 V4 t公仔箱論壇Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,+ X# T' r* T- V2 X6 ^5 q9 F5 C
Or just the weight of the water? ( r% Z0 m5 h% j! J( J1 ATVBNOW 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。5.39.217.77:88986 O1 k" ?, s, d. A. x
Answer: ; T/ `, b. `/ u/ e0 Z2 S' `公仔箱論壇 % |- H7 n$ |" M5 s! tIt only needs to be designed to withstand the weight of the water! tvb now,tvbnow,bttvb$ n) g' O! J) i( V5 [, R
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 % J" n: Q; r& `* s* [. Y 5 D) S: W/ F/ ?, o, X% D. K4 M% M7 n/ d# |- V3 A The Incredible Magdeburg Water Bridge in Germany , ~* n6 `' Y, p$ |: e+ {& }5.39.217.77:8898The 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* }5 } ^6 ]9 E2 K
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. 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。& V4 ^' q" D; [* N% \
) O* I- }! W8 D; e( }" @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. 5.39.217.77:8898% z1 |& G9 u* D6 Y4 g3 A% ~. E
( T8 d8 I, @ C m5 g9 H" d; a8 e4 P$ b& y: C+ B [attach]1486500[/attach]8 |0 {& O1 C, k6 z [attach]1486501[/attach], d5 j! H& v7 x# a [attach]1486502[/attach]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 R7 f& h- ]7 K [attach]1486503[/attach]公仔箱論壇& S. c+ e; L1 a) |- ~ [attach]1486504[/attach]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。9 j5 L/ ], i1 m6 m [attach]1486505[/attach] ; M. Z- m1 h9 \公仔箱論壇tvb now,tvbnow,bttvb0 k# H( J* i; S8 Z 作者: busyfun 時間: 2011-10-4 11:33 AM
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