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 6 Z, p7 S8 q" X# \$ F. w 6 S# y, ?- d! t+ `% {If you are not a Physics person, read on and learn a fact of physics. ) X3 c3 M d4 z- h* W" I* ~5.39.217.77:8898AMAZING! * H# `7 K. u: S公仔箱論壇3 d% `/ X9 O# T9 V" l1 H
Even after you see it, it is still hard to believe! : }) J) L5 F1 w0 Z9 @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。[attach]1486499[/attach] @' q* X* N V3 F( z2 t 8 |9 @& R( P/ ^Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! c# X( @) C2 X0 m n9 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. 0 }: {3 V/ }* l w+ i6 `It is located in the city of Magdeburg, near Berlin. # ?" J+ U9 N3 g# w2 e 1 r. g+ a, ^8 dThe photo was taken on the day of inauguration.tvb now,tvbnow,bttvb* N# _: Q" S) R; N! M
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. - E. W1 {4 E" U5 K$ j0 t5 z5.39.217.77:8898公仔箱論壇. `5 t& I: i( R3 L+ y" `
Question: 1 s6 Q# Q: @ i: V, U5.39.217.77:88986 K* U _: D. h( H0 A
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,5.39.217.77:8898, c! e9 g) x2 J% A( M5 O Y
Or just the weight of the water? 公仔箱論壇$ ?, i2 G) ]% Z. {) O5 i
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Answer: ( k$ ]) |, x3 v6 X/ o7 y公仔箱論壇 $ @2 O& e6 u1 a% ^, J- ZIt only needs to be designed to withstand the weight of the water! % P. Y* q# S2 ?. i/ DTVBNOW 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。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* g! H" n& h8 q8 j $ _7 g+ Z3 U2 y& P! V, P
tvb now,tvbnow,bttvb7 m4 y3 Q: I: }# p5 c$ D0 z The Incredible Magdeburg Water Bridge in Germany% J. e2 Z# w5 Z. Y9 e
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. % j, P4 j5 p% `# etvb 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. # w$ a; G5 S+ _* w; S/ n8 x1 n6 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。 ) l8 o( p2 \; p. z5 IConstruction 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. / X. N$ q7 H; P" L+ D$ O公仔箱論壇9 o5 t' `. W6 ~7 G
