返回列表 回復 發帖

EVER SEEN A RIVER OVER A RIVER?

本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 tvb now,tvbnow,bttvb3 b4 v) q( q* K% b9 A* I

- i/ |) `0 m; _1 e- c7 x% \tvb now,tvbnow,bttvbIf you are not a Physics person, read on and learn a fact of physics.   
5 G6 z- m; I: G. n, e/ otvb now,tvbnow,bttvbAMAZING!
5 ]# v& Z- h% M  U  d5 y

# r( E# y3 w; c1 y. e$ eEven after you see it, it is still hard to believe!
tvb now,tvbnow,bttvb4 `# W# h  k: C  w. {
5.39.217.767 u; q! A2 d$ E! i! J$ I! K6 d

) \2 |  W- I! Z7 K2 G0 G0 ]5.39.217.76Magdeburg Water Bridge in Germany  
What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 5.39.217.76* v  g2 k0 _5 D- [& ?0 D
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 5.39.217.767 z. R7 h6 q8 f. i4 |! f
It is located in the city of Magdeburg, near Berlin.

/ U. L6 Y$ G5 \; w& _3 i* b1 V
The photo was taken on the day of inauguration.公仔箱論壇& t; n( j2 f" N3 h3 ?1 `4 g. d
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.! j+ ]1 S8 p; y8 f! `- B# s% y
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。' h: t" e/ F: n: W
Question:

, ]; l$ f$ q  S/ [8 j( w- r- @% ttvb now,tvbnow,bttvb
0 \9 h+ s) M2 _2 R& A3 ?Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
- D- x7 Z3 u/ G8 j* ~& D/ `+ aTVBNOW 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。Or just the weight of the water?
( h* X3 l" S+ D. k
$ j9 l* U2 Q, f: k0 r( O( W5.39.217.76Answer:
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. A+ Q. `1 w& ?. w& _
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。% \: i& Q1 ]0 l( P: _+ N
It only needs to be designed to withstand the weight of  the water!
+ i  `7 A" ]. B; _" |3 n公仔箱論壇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

% K4 k' T( X2 v2 htvb now,tvbnow,bttvb
1 U- g( S4 [0 v+ a

% `/ o7 Q* I* ^) c
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。: t) k4 P& m; a  d. D# l2 E
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.
4 _. `9 u5 q5 A5 j, P% o
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. tvb now,tvbnow,bttvb- y2 X0 `3 q1 T, }, u3 r- C* [* r7 @

3 t) v4 g3 Z( p/ h+ ^# C' JConstruction 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.

8 f" I$ r: N% U: 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。
公仔箱論壇" V: I4 W% K6 l1 R1 Y
4 {2 |* _! |* P% P1 N2 t* Q8 m
) Q; o& V& ~: ?7 }0 v3 X9 B
5.39.217.76" B% h% `# U0 y% O

: y- k9 x- n3 p. C3 x# [, ^2 I2 C" k8 }

' s8 c  g# z: N% z( J( d% d5 p. ^5 h# x, g9 }5 t5 G; q/ Q
3 G) W! R1 ~5 ~0 M! O
附件: 您所在的用戶組無法下載或查看附件

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5.39.217.76" l! G1 O3 b) h6 k  @
連通兩條水道的最初構思,而羅騰湖 Rothensee 升船機及大橋錨碇
) |, E& I; D7 A, f9 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。也於 1938 年安裝就位,但在二次大戰期間,建設工程被推遲。& p! j6 f2 K) ~: N
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。tvb now,tvbnow,bttvb: [" i0 \: ^' p7 J4 i
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。5.39.217.76% p  h+ B3 ^7 G9 A% q8 U7 [& ]
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 萬公仔箱論壇4 k' {' a/ t# D
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。
9 E1 ^9 B* k8 r2003 年正式通航,水橋全長 918 公尺。 而 2003 年之前,在米德蘭運河和3 A3 r: O) G/ d( ?! X& s
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。
1

評分次數

  • k23bb

多谢您的分享!
first time heard & saw it, thanks for sharing, thanks tvboxnow!!
提示: 作者被禁止或刪除 內容自動屏蔽
返回列表