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 7 O, r* b* L3 L) }, B$ n
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If you are not a Physics person, read on and learn a fact of physics. 8 U6 m$ d" h8 x LAMAZING! 5 l9 Z2 _: Y# t; V Y4 c) A v4 ~& B3 D% L9 {8 o公仔箱論壇Even after you see it, it is still hard to believe! 7 z: }3 Z* q+ z1 z5.39.217.77:8898[attach]1486499[/attach] ; Z. `2 ]. d; |5 v: zTVBNOW 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。公仔箱論壇7 X7 z2 |2 U; }# o
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 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。/ W. c' |4 ]* s! C, @
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. - u) B* W; W* x4 G- ~/ |/ B
It is located in the city of Magdeburg, near Berlin., y0 M5 E N- U
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The photo was taken on the day of inauguration. 9 D! `- o: C, R, g6 wTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.5.39.217.77:88982 s* @- i! |0 p/ D: a, z! d
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Question: + H, {8 b, n8 L公仔箱論壇 m2 j; { l. a, m3 P! Q" @
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic, ' {* X1 k* M2 J$ bOr just the weight of the water? * Y% ?0 i7 m" W. A( e
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。. n1 c# V) a5 O! `& c6 U) k% t$ U
Answer:公仔箱論壇 v* Q# N* r% ?
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It only needs to be designed to withstand the weight of the water! 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。0 i9 g8 K3 u M
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公仔箱論壇6 Q7 g! h5 K8 _0 `3 W4 I, R' a; k - f7 u" @5 }( b3 x5.39.217.77:8898 $ v2 o# y+ W; l! x! A. RThe Incredible Magdeburg Water Bridge in Germany公仔箱論壇* g- U# n* g; C6 W$ u
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.tvb now,tvbnow,bttvb/ {% x/ L' {$ f2 J8 J# t3 f% M
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. 7 v; ?7 l' e9 K2 u2 [7 }公仔箱論壇 3 P) T _) q; [, 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。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. ; p* E1 X; f* z+ }) E * f7 l/ z" K7 c6 mtvb now,tvbnow,bttvb, m; O3 [" H# o* e2 G [attach]1486500[/attach] * @ |5 F c; D X公仔箱論壇[attach]1486501[/attach] * V7 ?7 L" V6 u' [: A! l4 ^5.39.217.77:8898[attach]1486502[/attach] ( l* ^ \4 k g* k: C" L6 d[attach]1486503[/attach] ; x* Z- F3 u5 A }( Q6 etvb now,tvbnow,bttvb[attach]1486504[/attach] 5 d0 u# W' x' M! p3 D5 [+ 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。[attach]1486505[/attach]9 T9 n8 j+ k' M& g2 L
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。2 K2 O0 \% f$ Q6 N+ F. m& a+ K- i! P 作者: busyfun 時間: 2011-10-4 11:33 AM
