( P# |6 K+ ]- |5 f, JIf you are not a Physics person, read on and learn a fact of physics. ) r) G% O' }5 \8 a8 Y
AMAZING! 9 Q7 o9 e3 f5 E, s8 i% ^8 p公仔箱論壇$ T% L5 {& }& W, l0 Z: i
Even after you see it, it is still hard to believe!tvb now,tvbnow,bttvb0 u3 g9 @$ w( n' J- j4 ^1 Z [attach]1486499[/attach]tvb now,tvbnow,bttvb2 t9 U8 v0 A: I
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。1 E) t+ D" f) G" q; L; D
Magdeburg 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 i( o% U+ D# _. c
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. : p* c6 I) |5 g9 F7 SIt is located in the city of Magdeburg, near Berlin. 2 R9 i0 K4 P: p6 q4 {# a y& l, i5 f
The photo was taken on the day of inauguration. ; E: S8 x2 q/ a0 n: d$ W5.39.217.77:8898To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.tvb now,tvbnow,bttvb E! D6 D0 g. w+ }1 D
4 e6 p" c2 z& z& s5.39.217.77:8898Question:5.39.217.77:8898. c0 V* L; u* R6 ^" y1 d
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Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,公仔箱論壇6 E- b% c6 E; D) s% p4 s* q. r
Or just the weight of the water? 1 [; K `, Q% h* 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。2 L+ F2 Q7 F7 c2 ~
Answer: / @- h3 z+ @' 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。* |! A% |; j6 ~5 U6 A0 D9 w
It only needs to be designed to withstand the weight of the water! & i% N: }# c8 A' S4 H1 T% [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 ! K1 y9 C: q0 b2 @公仔箱論壇9 j: M' m) R* J3 p" J2 M0 \8 c: c
' C7 N6 I+ m# {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。The Incredible Magdeburg Water Bridge in Germany 0 k ~( i. a6 b$ o6 a公仔箱論壇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. 7 e& t3 V) b. {: y- X7 O3 u0 `公仔箱論壇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. 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。! ^! i4 g- x$ i: a) \6 C% m
, {' }! P& I( Q& j6 e8 X7 AConstruction 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. 7 }8 k& ]' G; t& a h7 r- d& l7 q9 s( x, D1 M
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。& G+ S$ F. }" B [attach]1486500[/attach] 7 ~1 g5 L0 v! |% S[attach]1486501[/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。6 e: E [8 C& g+ Z3 X G- S [attach]1486502[/attach]5.39.217.77:8898/ D) [* Y4 I8 ~ [attach]1486503[/attach] 6 |1 k( J, {: b9 a: M4 i$ t[attach]1486504[/attach]: D. o F/ z9 X0 ~ [attach]1486505[/attach] ( _9 v/ Y4 E9 L% i6 B5.39.217.77:8898 0 D! o2 Z. N0 c" [+ Atvb now,tvbnow,bttvb作者: busyfun 時間: 2011-10-4 11:33 AM
這宏偉壯觀、傲視寰宇的工程傑作早在 1919 年工程師們即已提出- f' i4 }' q) h( c9 B
連通兩條水道的最初構思，而羅騰湖 Rothensee 升船機及大橋錨碇 4 j0 Z E' q# P. \7 _' x8 ~公仔箱論壇也於 1938 年安裝就位，但在二次大戰期間，建設工程被推遲。 $ D) v, h$ ?7 [) k Ftvb now,tvbnow,bttvb隨後的冷戰時期，德國分裂，該專案被東德政府無限期地擱置下來。公仔箱論壇# i5 J6 |1 G5 i# h
德國重新統一後，隨著道路交通重大工程規劃的編制，水橋再次成為一個優先專案。 5 R( z4 J( r& D( I, u6 g; Z J5 w# X5.39.217.77:8898於1997年開始建造，經過 6 年，耗資 5 億歐元，2.4 萬噸鋼材和 6.8 萬" X$ i* w# e+ W& \) n5 Y5 p. e0 W u
立方公尺混凝土，完成了巨大的水橋，連接柏林的內陸港與萊茵河沿岸港口。 ' z/ [% I! {: r7 e! }( ^
2003 年正式通航，水橋全長 918 公尺。 而 2003 年之前，在米德蘭運河和 & @: x' a9 |4 n8 x$ 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。易北河-哈威爾運河之間運行的船舶不得不繞道 12 公里通過。作者: swyip21 時間: 2011-10-7 10:19 AM
多谢您的分享！作者: Mimisan 時間: 2011-10-12 11:01 AM
first time heard & saw it, thanks for sharing, thanks tvboxnow!!作者: pepperjellabies 時間: 2011-10-15 09:35 PM
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