4 v0 W' F8 W+ a' l5.39.217.77:8898If you are not a Physics person, read on and learn a fact of physics. I7 F+ G9 j5 |
AMAZING! 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。, G+ V* c+ K1 p * l: t5 @3 h4 p: zEven after you see it, it is still hard to believe! 6 U/ t# S/ m) x& `7 r' e公仔箱論壇[attach]1486499[/attach] ) Y. o4 C1 ~0 p公仔箱論壇0 s1 M! W. G$ \
Magdeburg Water Bridge in Germany What a feat! Six years, 500 million euros, 918 meters long. Now this is engineering! tvb now,tvbnow,bttvb$ y0 y- U7 ?1 U8 I0 K ^
This is a channel-bridge over the River Elbe and joins the former East and West Germany as part of the unification project. tvb now,tvbnow,bttvb3 R7 M# p% `4 }
It is located in the city of Magdeburg, near Berlin. ) a0 e0 v+ U0 |8 b: ~$ hTVBNOW 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。5.39.217.77:8898- |8 f% C' U6 A( _$ S! R5 j, r# V
The photo was taken on the day of inauguration. ) `7 y) x0 N; L0 \tvb now,tvbnow,bttvbTo those who appreciate engineering projects, here's a puzzle for you armchair engineers and physicists. ( U% |$ s6 v- n9 @+ A9 ^5 w / _* n% n: S0 @2 X4 ntvb now,tvbnow,bttvbQuestion:5.39.217.77:8898$ j* l8 X# L& `' l' j
5 }1 ]7 [+ F1 |; O- |8 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。Did that bridge have to be designed to withstand the additional weight of ship and barge traffic, ( T# H2 w: X# D8 Z% D5.39.217.77:8898Or just 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。' B( i9 X& \8 ^8 F0 H+ X2 u
; O* m5 ~0 u5 z
Answer: 1 H4 i& C( k/ i \2 m. y" l& _: X5.39.217.77:8898; j- B& X- P0 E6 @; L2 P# Z
It only needs to be designed to withstand the weight of the water! 6 i: h9 l2 C N& `9 V0 w& A4 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。Why? A ship always displaces an amount of water that weighs the same as the ship, regardless of how heavily a ship may be loadedTVBNOW 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 B7 B( z" N* j/ a P w! ` w# M5 x5 [% W1 z. B 2 S' r7 B' {4 [' k5.39.217.77:8898The Incredible Magdeburg Water Bridge in Germany 7 S. z, |8 L a BThe 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. & }+ U% \5 w, n6 c公仔箱論壇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. 5.39.217.77:8898$ [2 L0 X3 C# r3 ~, t
& l$ B' M- ~0 \2 R+ V# T公仔箱論壇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. 9 o; }0 _2 W" b+ z0 C3 |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。5 D* |4 \* x+ R/ N( v
8 d7 ]$ y) C% L; t1 R! J2 C [attach]1486500[/attach] ! M' ~! r3 u- X[attach]1486501[/attach] ! i% w. V Q; a$ U[attach]1486502[/attach]' d6 q* ?" T5 U2 @7 X [attach]1486503[/attach]5.39.217.77:8898+ c6 } e. V5 T* v3 R y; a [attach]1486504[/attach]tvb now,tvbnow,bttvb/ k( @3 s m; z" q' B, `- ^ [attach]1486505[/attach] " i- J' N/ u" Y& U, g# R, z% e6 i公仔箱論壇 " G+ k; h& Y8 j3 o5.39.217.77:8898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4 D" t! ^8 p% @9 R& H2 A7 Y
連通兩條水道的最初構思，而羅騰湖 Rothensee 升船機及大橋錨碇公仔箱論壇( I0 Q }5 S1 d. E" X
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: U: j& I2 p) u B! u- m
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。& ]7 X( L8 J& @- F- c3 [+ m
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。 ! P" x4 J0 C* `0 s4 K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 Q. u1 |9 i8 M8 |" {% Btvb 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。 tvb now,tvbnow,bttvb; z- Z. C$ A" y: T
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( _1 [% M' H6 R4 h, R
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
