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 $ _" C. q0 h H- d2 r公仔箱論壇 " `4 \. t) J/ m7 iTVBNOW 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。If you are not a Physics person, read on and learn a fact of physics. 公仔箱論壇& O) {& h3 s5 F& F5 U" A
AMAZING! ( p- ] T! L8 C. Q: w 公仔箱論壇% H: T0 n' y; T: p' u8 ~
Even after you see it, it is still hard to believe! ' g% D3 i9 U% c5.39.217.77:8898[attach]1486499[/attach] . F" t7 h5 H! [1 bTVBNOW 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。5.39.217.77:88988 \, F8 ~4 p1 ^5 R
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 5.39.217.77:8898( U v8 Y+ H' J' [: S a! Q7 B% Q$ D
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. : \# R G9 h2 L& E0 E* [ x# n2 k
It is located in the city of Magdeburg, near Berlin. 2 r( q+ S" n& @ s, N, J5.39.217.77:88989 F3 f+ q, |) v$ M( ]' a+ A
The photo was taken on the day of inauguration.5 ^1 C6 X, @- F" ^' @1 t9 J
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. 9 \/ c; X& J& n$ m9 `: S+ t 7 Z; |* G) j+ D7 O' t5.39.217.77:8898Question: + y! W# A; I+ I2 k i$ ~: k# H# a公仔箱論壇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。4 S( K9 ]: E7 V5 Z' k
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic, 0 g8 R' w6 l% \4 [) O5.39.217.77:8898Or just the weight of the water? tvb now,tvbnow,bttvb R7 f$ r3 x3 q3 U6 b
6 B8 l0 N5 _. n+ ?3 ^2 |5.39.217.77:8898Answer:5.39.217.77:8898, l% c2 ]4 |5 z4 P. Y" ]/ p& a. J
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It only needs to be designed to withstand the weight of the water! 9 b! ]( ?; k5 B! r9 KWhy? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loadedtvb now,tvbnow,bttvb8 U4 O' l3 _1 t% Q' n8 c) M : h/ j) n1 i! 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。5.39.217.77:8898/ ]$ I( f3 n3 G. Y v The Incredible Magdeburg Water Bridge in Germany 2 C6 c \) Y( c$ x9 k% t Q; S, ?tvb now,tvbnow,bttvbThe 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. 2 H9 i- @& u+ ?! q* ~6 Atvb 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. 公仔箱論壇! [: Z- p6 V* G) ?; F
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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. 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。* S. R" |, G% ?+ v- g: N
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5.39.217.77:88981 }/ Y( ?0 E! i, Y, T$ G [attach]1486500[/attach]tvb now,tvbnow,bttvb& E& J! y) S5 B% w, q% B [attach]1486501[/attach]; s* O, W) i" f5 R! ]$ _ [attach]1486502[/attach]2 e/ b- \ k- S. c3 O0 d2 @ \9 i [attach]1486503[/attach]公仔箱論壇( _" P3 M5 H4 m- ` [attach]1486504[/attach]5.39.217.77:8898' ~8 ~+ D; p; m- K" [ [attach]1486505[/attach]& p" ]; j: b. B, O. p }" G6 f
