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 公仔箱論壇; W; H8 t; ~2 a% r
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If you are not a Physics person, read on and learn a fact of physics. tvb now,tvbnow,bttvb; P9 T; p w( T7 u
AMAZING! 公仔箱論壇/ `7 r3 ~' i& z P' N - g# q. y4 p- O* K1 J9 E' GTVBNOW 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。Even after you see it, it is still hard to believe! " y' u6 M* s! qtvb now,tvbnow,bttvb[attach]1486499[/attach]& T, |# y& L O1 s
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Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! tvb now,tvbnow,bttvb6 V) q# _( S' t/ s8 o. f
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. " d3 [0 V% u; f0 w3 nTVBNOW 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. 8 ^% Y0 I7 \8 O& C& L& Uwww.tvboxnow.com . j3 ~4 l/ @# ~! MThe photo was taken on the day of inauguration. # |9 U; m+ {$ p# Jwww.tvboxnow.comTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. 1 Q/ r3 J+ [. B! {+ t/ V 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。4 S) d, p" }* j4 k) B; P
Question: ; b2 Q* i3 L9 ^4 k8 {" W5 \公仔箱論壇 , c2 ~5 w9 {" O* ^. A2 {tvb now,tvbnow,bttvbDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,www.tvboxnow.com8 O& ^4 F' V1 Y. v
Or just the weight of the water? " R3 v$ M7 h" X3 q& M1 t8 kTVBNOW 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。 " `: p' F8 R+ v% awww.tvboxnow.comAnswer: # g1 ?) T$ Y: k9 d( y" }5 Ttvb now,tvbnow,bttvb + z2 z. {% z0 B; b! {3 x) \It only needs to be designed to withstand the weight of the water! ( n$ g8 y! I3 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 loaded8 _+ \! [6 z, X9 C1 I3 z www.tvboxnow.com2 R% s6 H8 |7 Y6 H$ i8 D% r; I
公仔箱論壇" Q' a8 Y7 V Q8 G3 k- O ` The Incredible Magdeburg Water Bridge in Germany 6 r1 Z$ [5 S: z: {( H: s4 W DThe 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.www.tvboxnow.com4 h% f% Z. v9 e
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. u% s" P* X" x8 e: v8 b2 d' z( `公仔箱論壇 , Z$ `& a7 K& u, i7 x1 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。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. , f/ B6 ?& L2 Y ( P5 }/ P) x$ ?: E: ?( v公仔箱論壇www.tvboxnow.com: |0 k5 X# ]: `- Y: G5 N: ?' z [attach]1486500[/attach] $ a2 S. ]- m3 `4 n% Etvb now,tvbnow,bttvb[attach]1486501[/attach]5 u/ T0 ?5 l. |1 w [attach]1486502[/attach] - O3 y. \4 Z% w4 Y1 H' T# y( z3 a[attach]1486503[/attach]. F, u0 z) }4 X; ~- [ [attach]1486504[/attach]tvb now,tvbnow,bttvb, _1 T, O; C5 I [attach]1486505[/attach]tvb now,tvbnow,bttvb4 q2 z# L: T5 J
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