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 tvboxnow.com+ S2 S: R' S3 u1 u7 Q7 d- @+ `
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If you are not a Physics person, read on and learn a fact of physics. + h: g! g b. w9 s( K公仔箱論壇AMAZING! 公仔箱論壇# F' d/ Q- L* h' x/ j' N d$ Y5 d. `7 H. U5 M
Even after you see it, it is still hard to believe!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/ l3 E& f- u6 S) g; r7 X; c1 T [attach]1486499[/attach]公仔箱論壇$ o- w2 H) y! y$ F
& Y) k' m( J. x/ C7 y# j, k& l6 l: `; LTVBNOW 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。Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! $ L0 V+ @* W. e" ]This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. tvb now,tvbnow,bttvb1 Y4 i5 G1 {) y M
It is located in the city of Magdeburg, near Berlin. ) m7 k3 T# m5 E5 t" c) [公仔箱論壇 7 @+ @7 r% q K s3 OTVBNOW 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。The photo was taken on the day of inauguration. 8 V5 V; O7 |# Z+ KTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. 4 ^$ ]) f3 B: J8 y/ c# o' s2 f6 U- TTVBNOW 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。- v F' \- Q5 L1 y& G8 U6 |" a2 x
Question:' N/ i( P( U1 H7 I$ F. x5 A
1 o3 y6 a5 W) X7 e, J5 GDid that bridge have to be designed to withstand the additional weight of ship and barge traffic, ) @' g) o. F5 e. s. a公仔箱論壇Or just the weight of the water? ! P/ A* Z# Q4 P( G9 l# 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。7 _* Q9 Y/ d+ A% q4 f6 O# s
Answer:公仔箱論壇0 j- Q9 i& r5 r
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It only needs to be designed to withstand the weight of the water! % d5 t9 ?) e9 _7 x( ]- a% ?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 7 ]; x% k: \1 C2 G5 |5 k$ A公仔箱論壇 / ]7 m* i, T% ^0 w1 @9 _ 2 I) b; n# q% a: r, hTVBNOW 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。The Incredible Magdeburg Water Bridge in Germany- F# ^" i2 l' s
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. . m9 f" o7 t: b; _- r( ptvb 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. tvb now,tvbnow,bttvb" ?. C% |% |: h' {" V O& ~& S
: \' t* [; |3 u- [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. , ^! q8 s; b) b; ^9 P7 H/ y* V 6 r$ ~+ @7 f) M9 r3 E ; l: E4 S% ~# P+ Ttvb now,tvbnow,bttvb[attach]1486500[/attach] s9 C" ^0 x8 A1 u$ q1 b: FTVBNOW 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]1486501[/attach] / n$ ]* _( j6 {公仔箱論壇[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。' X$ Z, H6 y" c0 G' f, N, n9 O/ X5 K [attach]1486503[/attach] 8 U3 r, x# S7 t. l: c; c[attach]1486504[/attach] * ]$ {7 i* M4 B# w6 n公仔箱論壇[attach]1486505[/attach]tvboxnow.com1 n9 Z5 C& h; E7 i
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