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 + d' P' H+ U& n3 u% w) y 9 Q" ]# T+ e& t% F/ STVBNOW 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. 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。$ Y# b m5 c% B6 J9 V
AMAZING! # l2 k& A/ U4 ^公仔箱論壇 " S( v8 \' I+ [7 A2 L+ YEven after you see it, it is still hard to believe!tvb now,tvbnow,bttvb$ _0 p* a. E$ \9 l5 ~+ D6 p [attach]1486499[/attach] 5 l7 `2 c- u; W & d5 j" v2 s. Z. }8 U- ]Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! ! f$ S; w& Y2 F* K5.39.217.77:8898This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 6 v5 [# F& o" u; n, _5 k+ y4 CTVBNOW 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。It is located in the city of Magdeburg, near Berlin.公仔箱論壇9 a) g1 w0 q# r. u/ F
% U% k' Q* i9 }6 W& I" I1 P: Jtvb now,tvbnow,bttvbThe photo was taken on the day of inauguration.公仔箱論壇9 I# Y& b- G; E# c+ O
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. * M3 k0 e2 R! c& ? + d. O5 J" z! p* @1 Z9 R( rQuestion: , J1 e) k7 C- L) C0 b, B4 Ftvb now,tvbnow,bttvb公仔箱論壇7 M5 ?) n$ F& V3 p( F7 Z) w
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic, ) S# H( ]" S6 {5.39.217.77:8898Or just the weight of the water? tvb now,tvbnow,bttvb+ N7 N4 O) `! k! K# F& O& j
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Answer:公仔箱論壇& S5 I( i0 s( r# D7 M4 D
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。% |$ z6 \7 L- d" O
It only needs to be designed to withstand the weight of the water! tvb now,tvbnow,bttvb$ X9 g2 Q: }" j
Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loaded5.39.217.77:8898" L8 P4 }' `/ l; [& N% K + E4 s) S8 N' U7 Dtvb now,tvbnow,bttvb( k. t2 b% I. Z! h The Incredible Magdeburg Water Bridge in Germany ( f# N9 H7 ~+ }" _- s$ XThe 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. K8 e- }7 K0 {9 @$ Mtvb 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. 3 X0 E3 a8 j$ dtvb now,tvbnow,bttvb公仔箱論壇. ]( Z3 ~! s4 k! G( |
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. 1 s; z+ Z4 f$ g4 o# }1 wtvb now,tvbnow,bttvb0 G% O9 o& ^5 a w, I5 I0 m
tvb now,tvbnow,bttvb% T4 d- `# K; e0 B( t/ \% S [attach]1486500[/attach] ' j& u6 q! F$ B. v公仔箱論壇[attach]1486501[/attach] ' a' K7 @% j3 q7 B! J[attach]1486502[/attach]5.39.217.77:8898+ ^2 Z2 r+ F5 t5 E: S( m4 e) v [attach]1486503[/attach] . m( i. m! w6 o1 k' h5.39.217.77:8898[attach]1486504[/attach] 9 t# M& \- D; `; F, q9 q5.39.217.77:8898[attach]1486505[/attach] ; X- \" ^/ C" }8 y. r5 stvb now,tvbnow,bttvb5.39.217.77:8898& k! `9 S/ R l 作者: busyfun 時間: 2011-10-4 11:33 AM
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