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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
, t5 n/ x$ q5 E( 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。2 u  [( c7 ]/ o1 I2 x% U' W: |
If you are not a Physics person, read on and learn a fact of physics.   " G- r) V" Y' E3 b2 B  ?
AMAZING!
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Even after you see it, it is still hard to believe!

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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。4 b% _  B! P* O
Magdeburg Water Bridge in Germany  
What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! tvb now,tvbnow,bttvb+ V2 K; |* n) a) p" s- Z
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 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。& Q/ Z  Q- F; n# P# _& _5 m
It is located in the city of Magdeburg, near Berlin.

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The photo was taken on the day of inauguration.
  n& z0 r4 O- p( r& a# d7 P8 j0 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。To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
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; R0 b$ s* W4 s% `Question:

# L8 t* H; B, q# Z+ u. n) @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。公仔箱論壇. w. y( Q( n7 q1 C4 y
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,' l6 y7 R1 u) J! h" j" P- @. [$ H
Or just the weight of the water?
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9 C7 i$ J6 F8 r7 O* 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。Answer:

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It only needs to be designed to withstand the weight of  the water! 公仔箱論壇' f5 T/ g" V3 h1 F
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
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。* f" I' D" }( q6 z3 n
公仔箱論壇# R  ?5 o! ^) G) ]) d( m  Y: Q' r

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The Incredible Magdeburg Water Bridge in Germany
4 U/ v! z) R! |! c# d8 mThe 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.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 i+ R0 F$ g3 i
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。9 Y* f4 n" e. z& g& o% }+ y, [$ u: m& y

: l( z3 ~+ V2 G6 ?+ W9 _0 f: Dtvb 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.
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[attach]1486500[/attach]
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, q$ C5 H+ b# e4 _' 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。[attach]1486502[/attach]) H7 f4 n( ~7 M9 k0 G: b+ e/ u5 N
[attach]1486503[/attach]8 h- R2 h/ n5 _$ g1 Z' H1 g1 ~8 v# j* g
[attach]1486504[/attach]
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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
0 I: q8 {5 z8 j; UTVBNOW 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。連通兩條水道的最初構思,而羅騰湖 Rothensee 升船機及大橋錨碇tvb now,tvbnow,bttvb) {+ F; _) T/ F* U; I1 V) M( G, x7 J& W
也於 1938 年安裝就位,但在二次大戰期間,建設工程被推遲。tvb now,tvbnow,bttvb# d* l" i  t! E: A; X7 x+ f
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。2 \! l( F8 @- j0 f8 X5 e
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。tvb now,tvbnow,bttvb: z% E+ I! [& v# \, ~
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
' o8 W, j0 M6 r& _% K5.39.217.77:8898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。
" Q0 ^; a/ b# i9 @; L+ ~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
$ l1 q* l2 k" \) q; }9 c; }' G! @公仔箱論壇易北河-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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