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 ' ?1 N& @+ v* }. t. b* ]6 {4 U% }tvb now,tvbnow,bttvb ( T5 l. g4 W6 q5 Z! q; AIf you are not a Physics person, read on and learn a fact of physics. 9 b% K, y$ L- T" k- ]! C3 a( zAMAZING! . C7 e- {. ]+ Z5 w! O. 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。; I' @' D5 J% q9 Z! K3 i
Even after you see it, it is still hard to believe!5.39.217.77:88984 \" `! s+ c) V; v; A' k/ O [attach]1486499[/attach] ! v2 p/ D$ w- K6 w/ g) ^* Z7 C# [: {% D6 [
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! 4 c# Q0 l, q6 X9 [8 m7 R8 j+ ZThis is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. 1 p. K' W( n! {3 V3 ytvb now,tvbnow,bttvbIt is located in the city of Magdeburg, near Berlin.5.39.217.77:88983 l" K( O! z( E. n
8 \3 S3 b6 b; z( L
The photo was taken on the day of inauguration.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。/ j6 k) u3 K) j! r+ O0 G
To those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. ' z& |3 \) `) b. E7 g5.39.217.77:88985.39.217.77:8898% m- i/ z0 R% ~! N
Question: , } Y; S2 Z4 W. jTVBNOW 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 k( T9 Z5 o, t. K
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic, 3 O2 `7 j) J4 q9 H; ZTVBNOW 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? ' u% D, @. u, o( [5.39.217.77:88985.39.217.77:8898/ z' o: G$ J1 _" K
Answer: 0 A/ E& N# E& T- Vtvb now,tvbnow,bttvb" a; `) x2 d( N
It only needs to be designed to withstand the weight of the water! tvb now,tvbnow,bttvb: h& X/ k( Y7 ]' _) U4 L( d
Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loaded4 O/ v4 g0 I0 c5 L4 r6 z3 F5 W3 ` tvb now,tvbnow,bttvb; y+ `/ b; I" a. |4 x8 q5 F
5 T5 c+ T2 n# |& ?. G# w The Incredible Magdeburg Water Bridge in Germany5.39.217.77:88980 K2 d0 n6 ~. p: j O
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.公仔箱論壇- N3 R! T2 Y2 l1 i( Q
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. ) ~& T- d& B ZTVBNOW 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。6 ^# [# j% A6 m0 v: [
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. : m3 M# y/ E! S; H1 o* v s" m5.39.217.77:88985.39.217.77:8898 n6 h, x# x3 N, B A& \
5.39.217.77:88989 P" G3 t/ ^6 T/ z3 N