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 3 _7 M) k% R- T9 s5.39.217.77公仔箱論壇9 l: a% l1 C: _! }) K4 X' Q8 K% e
If you are not a Physics person, read on and learn a fact of physics. tvb now,tvbnow,bttvb9 \+ K& I& r% S5 I
AMAZING! 6 {0 G% B) @. T: t3 \5 o公仔箱論壇tvb now,tvbnow,bttvb' C, U9 u/ p" {9 i- q+ ^: n
Even after you see it, it is still hard to believe! * N. |& l0 g" R! Q- }% 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。[attach]1486499[/attach]9 `& {1 J H, s3 v& O, f. K
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Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! / l3 s: C0 [$ U3 c9 y1 J公仔箱論壇This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 1 h' u+ P: r0 j1 B* L# q公仔箱論壇It is located in the city of Magdeburg, near Berlin. 5 h W% k N7 g* ]5.39.217.77 . L2 x$ p0 \4 x6 Q1 oThe photo was taken on the day of inauguration. , W ]9 ~, l( w$ j% X4 ^5.39.217.77To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. $ n3 B7 S. h4 b5.39.217.77# u- S6 G. K7 S$ L3 F0 ~- d
Question:公仔箱論壇0 c' d c! g' E8 ^9 x
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。& Q+ Y7 l- n: u* \
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic, ! }8 d5 p. s9 o a3 c' [- Q- s公仔箱論壇Or just the weight of the water? 5 [! C6 \# N, f2 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。 2 _( ~ Z. q* i; ~$ S公仔箱論壇Answer:5.39.217.779 z; G* G5 B) _5 a7 j* S
s5 V6 h' G* G/ r: S+ ?. a" uIt only needs to be designed to withstand the weight of the water! 5 W( m# i9 r+ k8 Q9 dTVBNOW 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。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 ' S [& K/ ~/ u6 p6 x8 ]: {# m& R " R1 K- x) m4 j. q) G \1 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。% y( B( s0 v+ D3 X; W. O The Incredible Magdeburg Water Bridge in Germanytvb now,tvbnow,bttvb' H) y3 R; a$ b
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.tvb now,tvbnow,bttvb) D" a/ d* D4 q5 r0 U
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. 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。9 A0 y6 R5 w5 s6 m! u7 {- ?
& X d1 x( b1 x5.39.217.77Construction 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. : }4 C1 G" E* T4 L5.39.217.77公仔箱論壇) c% D3 ^6 v% C9 W7 X
