標題: EVER SEEN A RIVER OVER A RIVER? [打印本頁] 作者: lilitan008 時間: 2011-10-2 10:09 PM 標題: EVER SEEN A RIVER OVER A RIVER?
本帖最後由 lilitan008 於 2011-10-3 12:57 PM 編輯 , S- d& f8 N- O6 e( W) G8 {公仔箱論壇5 X/ i0 G1 R, Y" y" g2 R! u* S+ j
If you are not a Physics person, read on and learn a fact of physics. / N3 \+ y+ ]3 a& @+ s z$ m% _公仔箱論壇AMAZING! 公仔箱論壇. X! z/ E4 Y# g, W R ) }" ^& @+ l' B! C9 g4 ]Even after you see it, it is still hard to believe!2 b% u& N4 J$ p [attach]1486499[/attach]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 i( Q. t4 k) B
9 A7 K1 A. N, b) SMagdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! $ F7 C! V! W( R4 Q: {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。This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. - C/ ?- [1 v1 n5 Z
It is located in the city of Magdeburg, near Berlin., \# D# O# g0 G6 K/ U! V
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The photo was taken on the day of inauguration.5 d5 \1 x7 }5 G7 s' V3 O
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. & x9 \8 e! b8 {9 a( H Jtvb now,tvbnow,bttvb9 e8 x# t* N& E, e2 }: U
Question: / l# w L9 ~- `( d! a5 CTVBNOW 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。 $ ]3 a, S( c; b; Xtvb now,tvbnow,bttvbDid that bridge have to be designed to withstand the additional weight of ship and barge traffic, 9 _9 C* V4 `$ u2 AOr just the weight of the water? 0 K% \. A$ |( k1 E0 X! S- g" @+ B公仔箱論壇 7 k. D0 W4 X, ?: ~" b; \公仔箱論壇Answer:tvb now,tvbnow,bttvb9 Q7 I& T) V2 |! q
; c3 y3 E, W& H9 S2 |% Ktvb 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。# e# Z! d3 N9 m4 D4 b+ f8 a+ O
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公仔箱論壇; B' L) c' r; y1 ?/ | + x7 ]* [5 n# o) ?/ N* n5.39.217.77:8898 & H1 X$ z9 U3 m1 R; |% J' cTVBNOW 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 Incredible Magdeburg Water Bridge in Germany" f% ^# d& Q2 _8 ?: o$ Y
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.: T6 \, Z! a1 V7 \% 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. ( ~+ B5 M, L5 j5 v h5 utvb now,tvbnow,bttvb公仔箱論壇" W; y6 g$ C6 ^. k. s
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. 5.39.217.77:8898& e2 ~% C* r* n, b, c( Q
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0 Z+ _1 O1 M0 _( z; R6 d[attach]1486500[/attach]( a5 Q% E' _/ [1 S) r/ y8 H [attach]1486501[/attach] 8 y# [5 F$ a( q( u公仔箱論壇[attach]1486502[/attach]2 X& x% o3 U2 u+ W. } [attach]1486503[/attach] ( Z" ^* Q- w% o6 [9 Ttvb now,tvbnow,bttvb[attach]1486504[/attach] 4 v# D/ G5 i8 m1 J. R5 X7 g[attach]1486505[/attach] , N' I+ M6 w% p( h5 h$ O4 n* B & v) ?$ k: ~) i! 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。作者: busyfun 時間: 2011-10-4 11:33 AM
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- T. z: u! e* V4 P6 q. l
連通兩條水道的最初構思，而羅騰湖 Rothensee 升船機及大橋錨碇! c% ~( }( K3 \: M- h2 Y9 n
也於 1938 年安裝就位，但在二次大戰期間，建設工程被推遲。 ( B# y, r# D. u. Q5.39.217.77:8898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。公仔箱論壇9 h w! g6 p, f1 \
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$ t4 N- |; [. }* \$ [' T) G
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 萬3 x; r4 O- @2 W% D! Q# p- Y& O- 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。 - e& z( p$ ^3 S* ?. B* g6 F2003 年正式通航，水橋全長 918 公尺。 而 2003 年之前，在米德蘭運河和 c* U- A* j- J- v; x1 ?, u/ 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。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。作者: swyip21 時間: 2011-10-7 10:19 AM
多谢您的分享！作者: Mimisan 時間: 2011-10-12 11:01 AM
first time heard & saw it, thanks for sharing, thanks tvboxnow!!作者: pepperjellabies 時間: 2011-10-15 09:35 PM
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