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EVER SEEN A RIVER OVER A RIVER?

本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯
3 o# w8 r" A: S  i" Y+ O0 yTVBNOW 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 U. l5 g. t  Stvb now,tvbnow,bttvbIf you are not a Physics person, read on and learn a fact of physics.   
7 A( B( N  o. {( `tvb now,tvbnow,bttvbAMAZING!

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) S! t  {+ F+ E. BEven after you see it, it is still hard to believe!
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9 ]* _( {  n5 V) c/ M( m1 J* bTVBNOW 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 Q8 e! H( g) k1 r% O  t" E- z+ vtvb now,tvbnow,bttvbMagdeburg Water Bridge in Germany  
What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! % T! w$ v; j6 U. J+ h% a& D+ R& |
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
# A' B$ c3 u- d- M* i# Ptvb now,tvbnow,bttvbIt is located in the city of Magdeburg, near Berlin.
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4 w1 \6 }) S% o% n  |% m7 E1 OThe photo was taken on the day of inauguration.
6 u: D) |9 K4 |0 s# v. Stvb now,tvbnow,bttvbTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.
$ q5 [9 B' ?% w3 n$ K公仔箱論壇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; r9 S5 ?, l6 f) ^
Question:
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6 O6 O9 [3 v0 Q5 b* NDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,5.39.217.763 [; [( N3 a. i' r: ]# N: }
Or just the weight of the water? 5.39.217.768 Z8 W0 E; H, N: z+ ^

# D  N' V2 B5 wTVBNOW 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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" B/ M+ v9 i* H3 o5 atvb now,tvbnow,bttvbIt 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。. T8 a3 `1 ^' x
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
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The Incredible Magdeburg Water Bridge in Germany
8 }4 D2 r# F* y' BThe 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.
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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。6 D! B/ H3 S) x- K% U, B

: q* U+ C, u: ~6 ?5.39.217.76Construction 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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% U! k+ r4 S+ G  p4 _: yTVBNOW 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。5.39.217.76/ N; ^' ]" F9 A1 F9 D. G

  F7 @& a0 W) J) {公仔箱論壇5.39.217.764 C+ r( D# n. Y
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平壤核子能源研究所
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。- N# @0 W1 }+ h3 f2 B5 t
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 P) N4 y5 G" y5 N也於 1938 年安裝就位,但在二次大戰期間,建設工程被推遲。
; t$ a4 X" `+ x# U/ o; Q0 W* Y/ I1 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。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. b: c8 ?: C: D2 r, g! @9 {  f# l
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# l# E* _) ?- Y2 g; w6 ?, q, n
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
& m$ r' ]7 V$ ^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。
$ n. G3 K& w; T2 S, J公仔箱論壇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
: ?( i/ h) y. d- z/ p* T7 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。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。
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多谢您的分享!
first time heard & saw it, thanks for sharing, thanks tvboxnow!!
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