EVER SEEN A RIVER OVER A RIVER?

lilitan008

公仔箱論壇, v3 E5 J. U& T% |1 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。" Z! }9 E  @- V! g) P3 @5 H
If you are not a Physics person, read on and learn a fact of physics.   tvb now,tvbnow,bttvb6 s1 k* B! k2 J0 L% |
AMAZING!
. m% O6 D( y4 {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。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。2 c' z6 V- ~* Q6 e1 N
Even after you see it, it is still hard to believe!
6 v' W% }. H2 K0 P6 g: xTVBNOW 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。; l. G7 s1 q" ^& f# e

, A) |; H  A( p. \5 T2 O* u& ?Magdeburg Water Bridge in Germany  What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering!
' m. K% |( A! D; `. ^% |  gThis is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project.
' P3 V: S# J7 y6 t- D* Y+ k% wIt is located in the city of Magdeburg, near Berlin.
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The photo was taken on the day of inauguration.
3 D, ?% L" D5 x2 [4 RTVBNOW 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., y# v7 G3 M0 q: s1 {

: i' b- e; s/ _- p6 tQuestion:tvb now,tvbnow,bttvb8 j7 A- s, D3 i

: v( ]. J+ R, t- q: \4 MDid that bridge have to be designed to withstand the additional weight of ship and barge traffic,tvb now,tvbnow,bttvb: T. n* ^* \! k# K/ c
Or just the weight of the water?
2 Z1 w: \0 l0 T5.39.217.77:8898公仔箱論壇9 k9 H; Y4 f; S& R. Q
Answer:
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1 T% h: R  S5 a5 v5 `) y5.39.217.77:8898It only needs to be designed to withstand the weight of  the water! ( Q; ]) f( N! n; v1 H
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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3 s' `" B1 F0 @3 c" j2 r. G, k- ~  _" pThe Incredible Magdeburg Water Bridge in Germany
& h6 E3 c0 A7 J& ytvb now,tvbnow,bttvbThe 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.
* T% c; S7 j) p6 U7 gtvb now,tvbnow,bttvbThe 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,bttvb9 y7 n: A0 `, {/ T# p4 G

$ Q0 u  S7 e+ e0 K* d6 }- Htvb 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.
, F9 c$ ^1 h+ L- W& P5 x7 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。公仔箱論壇. v% C, A0 R$ o/ Q6 @- S
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$ o/ M0 x1 ~  x' L( M) n- J  E- }公仔箱論壇5.39.217.77:8898+ q; N8 T+ Q, D5 }* b' Z$ k
5.39.217.77:8898! V3 @. a2 ~# P2 h$ G$ N

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busyfun

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" f6 R6 k' p3 B) d5 W2 V
連通兩條水道的最初構思，而羅騰湖 Rothensee 升船機及大橋錨碇
* y# J  }$ H, `1 d( I5.39.217.77:8898也於 1938 年安裝就位，但在二次大戰期間，建設工程被推遲。
$ F0 j* o( |) |# m" V# m( y; |; W; Ztvb now,tvbnow,bttvb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。8 F6 b1 l' @# x5 z9 x' ?9 x
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。
) T& }+ @9 D* G5.39.217.77:8898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 萬5.39.217.77:8898  P& l% Z' G& p# Y4 e* `
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。
% D9 t. q; u0 _/ ]* {  Y; S2003 年正式通航，水橋全長 918 公尺。 而 2003 年之前，在米德蘭運河和公仔箱論壇6 H9 X6 u" L' s2 {9 Z0 {
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。

swyip21

多谢您的分享！

Mimisan

first time heard & saw it, thanks for sharing, thanks tvboxnow!!