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 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。8 A! j$ I& }' f2 N6 F
# ^6 z( J3 g* J, C: A  A1 L
If you are not a Physics person, read on and learn a fact of physics.   5.39.217.76# M8 d* l2 p6 q6 t6 S
AMAZING!
; |% i! a% f3 d8 R
6 a$ T- ?! {4 q  Z7 y
Even after you see it, it is still hard to believe!

& Q# K8 C2 B9 c/ Y0 j6 o0 r: O4 M$ t! R( k. i) d" M

- k: o% m  k6 y% atvb now,tvbnow,bttvbMagdeburg Water Bridge in Germany  
What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! ( r2 s. I; s7 s6 {0 u
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
) Q4 e; h& i- g7 w7 W公仔箱論壇It is located in the city of Magdeburg, near Berlin.
5.39.217.76! d) C! z) D0 r: J+ I
1 j" E/ N" {$ Z& |1 u! Z4 K
The photo was taken on the day of inauguration.
1 J" q& E8 m; d" L) dtvb now,tvbnow,bttvbTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists.3 C# D6 B% u2 `" Y  T, S+ ^1 T
tvb now,tvbnow,bttvb. |9 Q4 K5 m. F, w0 n0 {7 `/ t3 O
Question:
9 e1 O6 q: ~: o" u" Q
) a' ^& E% |1 j+ s
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,tvb now,tvbnow,bttvb9 I, b7 F3 {& H2 q7 h
Or just the weight of the water?
# B+ j; v+ k5 {+ q" Q* k
6 ^) m9 w3 C6 j: ^tvb now,tvbnow,bttvbAnswer:
公仔箱論壇9 `1 V( s6 R! [9 K

# z$ ^6 d6 l- r  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。It only needs to be designed to withstand the weight of  the water! , g/ o& R, w* l$ P$ H8 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
$ I/ W$ x8 Z  q. ^# c- G2 Q# E! F
tvb now,tvbnow,bttvb1 N/ L  G; y! H

2 s5 Y' m5 o) `" }( w
The Incredible Magdeburg Water Bridge in Germanytvb now,tvbnow,bttvb/ [, c0 I3 ~7 W
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.3 O% d/ O' P8 L# g2 H- B
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. 6 v3 V6 k- Q! K7 l  z" K
5.39.217.76& }* ^+ e- u$ f& R, l/ z
Construction 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.
公仔箱論壇2 A1 y0 K* X- M% R

; j# t0 T9 |) v) ^, d4 I5.39.217.76& I& H  j$ I* C: m

' T- d+ n: A. t9 ~/ x% ^! 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。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。& \' s+ K7 L7 t; N! x; a4 W
公仔箱論壇& J$ A2 X0 k3 I' ?

/ A6 z7 g% D2 n- _% @5.39.217.76, p) X( O  |# U" m4 a1 e9 R& P- Q  }
5 I% n$ z, U8 T" p- Y8 j
5.39.217.76' I/ u$ w9 E. S$ c2 W
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
0 C' X) G2 a, V  O- K  z! I連通兩條水道的最初構思,而羅騰湖 Rothensee 升船機及大橋錨碇
+ ]0 j3 \* D- Y$ |* w' T/ \7 y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' m3 }. J8 F+ U- W+ 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。  I4 q& T& |1 [: f9 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。tvb now,tvbnow,bttvb2 B2 i9 W! a; L, o; `
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
$ s7 I0 T, e+ F  o( B" c& Qtvb now,tvbnow,bttvb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。 公仔箱論壇% {4 ~3 R  ^' s% |
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
4 }6 H, s9 z* _1 g! y5 MTVBNOW 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。
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