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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 / Y/ E$ b7 U6 ?

! c% E0 r, m( [/ ~9 x8 QIf you are not a Physics person, read on and learn a fact of physics.   1 {8 k, `8 g, b* g+ w
AMAZING!

! m3 a/ c) `0 s  fTVBNOW 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。5.39.217.77:88981 v1 z: j# u+ Y/ x* v" @8 v8 V/ d: L
Even after you see it, it is still hard to believe!

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Magdeburg Water Bridge in Germany  
What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
! t8 m; ?9 j" z6 dThis is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 公仔箱論壇0 G8 J! @5 v5 u/ V% |
It is located in the city of Magdeburg, near Berlin.

( E9 I9 ~7 V! o% {' `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。
7 ?' P  j& [- D" I( {% N( 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。The photo was taken on the day of inauguration.
- ?  H( o# e) {1 l' f& zTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.& ]6 {' y& b/ c8 ~! O, U

! f9 P, z! e: Z& W$ i& [0 z' H  y5.39.217.77:8898Question:
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。  h8 E5 F) D6 |

' R+ F" ~( i% P6 VTVBNOW 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。Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
9 X" C! ]. P' Q) [2 d: d# TOr just the weight of the water?
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Answer:

3 |2 @5 D3 L6 J公仔箱論壇  W$ U- Q  Y  p  w' E) L% \3 P
It only needs to be designed to withstand the weight of  the water!
1 @4 g! I) H& E3 N) y5.39.217.77:8898Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loaded

  V+ e' J6 O% R! t$ V; o公仔箱論壇5.39.217.77:8898. L5 q. b0 l& v

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The Incredible Magdeburg Water Bridge in GermanyTVBNOW 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。  t4 w9 G0 ?7 R" f0 _( N
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 A6 w: w' l" H# K" h1 q: D( z0 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。
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. " A1 S# ^/ M  D, \) ~" B

* P% n8 n) w4 h0 r% N; 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.
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/ O" b9 D2 S5 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。4 [; S9 W6 y- `4 @5 h
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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公仔箱論壇* `8 L* A) S# M& p: M5 s
連通兩條水道的最初構思,而羅騰湖 Rothensee 升船機及大橋錨碇
& A3 L& W; f$ |# R也於 1938 年安裝就位,但在二次大戰期間,建設工程被推遲。
! z/ a7 \  j7 f. e5.39.217.77:8898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。) _3 V& q4 c4 X# H* i# P
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。
; k- k0 ?* c( a4 j7 e- }公仔箱論壇於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 萬5.39.217.77:88982 t, [. e: l$ _& Y) o' a
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。
. [- F1 ?$ d) q" x: `/ Ftvb now,tvbnow,bttvb2003 年正式通航,水橋全長 918 公尺。 而 2003 年之前,在米德蘭運河和5.39.217.77:8898$ p& K, a, A2 s$ G0 ^
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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  • k23bb

多谢您的分享!
first time heard & saw it, thanks for sharing, thanks tvboxnow!!
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