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 ; y4 M5 x* v, J" K% d! rtvb now,tvbnow,bttvb* W3 ^# k3 p6 r3 c' b- M
If you are not a Physics person, read on and learn a fact of physics. " T" I8 G R& B
AMAZING! 公仔箱論壇3 }4 v, \+ f8 e4 ~# L. m- M% q 5.39.217.77:88982 X, Q& `5 z3 ^5 A1 Z9 D
Even after you see it, it is still hard to believe!公仔箱論壇" k4 | `% I6 {" e [attach]1486499[/attach]( u/ S- o6 _/ ^3 J! W j7 {9 }
( T" n V" s9 o9 U% D! X1 h5.39.217.77:8898Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 公仔箱論壇5 d9 |1 U; t: X* H3 u
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 5.39.217.77:8898. d8 s1 L+ h2 h( t: k% E6 f, b
It is located in the city of Magdeburg, near Berlin.3 L& X% @4 E5 c
3 O% ]4 X- ?8 H% O& X3 `+ W% b `公仔箱論壇The photo was taken on the day of inauguration. : Z8 E) X5 d/ M8 m# F) o公仔箱論壇To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. 2 l; L$ M; x( p! O% 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。4 r& @% X2 l2 ~: j" q* \1 Q
Question: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/ d( i% ]7 d6 _( B% c
" e4 E' v% e \# vDid that bridge have to be designed to withstand the additional weight of ship and barge traffic, $ Y8 Y9 }* F% l/ i; ?4 {( F5.39.217.77:8898Or just the weight of the water? tvb now,tvbnow,bttvb: }: f) g& o/ Y8 u" d5 }5 R
. B2 y8 X4 a( P& e" m/ N4 i公仔箱論壇Answer:tvb now,tvbnow,bttvb& J. ~* ]6 a8 N# T, i
tvb now,tvbnow,bttvb7 p5 ^! J, r0 V
It only needs to be designed to withstand the weight of the water! tvb now,tvbnow,bttvb$ P8 z- t- q1 z7 i8 w! Z
Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loadedTVBNOW 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。! O+ Z7 ?0 K4 l( U; o3 Q 5.39.217.77:8898* ~ e1 D& q# k. ~9 s
8 [+ J3 d: F% A2 t6 n6 H vtvb now,tvbnow,bttvbThe Incredible Magdeburg Water Bridge in Germany % s. O" o! Z# X! e& HThe 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. " q0 S; f- t3 o& Q2 G7 \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. 2 K O! |7 Y3 j7 J
/ d/ e) {+ |+ VConstruction 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. 公仔箱論壇0 d* y+ m4 r3 y8 G- F5 R3 @
