雷克塞怎么放隧道啊:世界罕見的河上河 !

   

Have you ever seen a river over a river? AMAZING.....

 你見過一條河流過另一條河嗎？ AMAZING.....Even after you see it, it is still hard to believe!
Water Bridge in Germany. What a feat!Six years, 500 million Euros, 918 meters long . . . now this is engineering!
This is a channel-bridge over the River Elbe and joins the former East and West Germany ,
As part of the unification project. It is located in the city of Magdeburg , near Berlin .
The photo was taken on the day of inauguration . . .
To those who appreciate engineering projects, here's a puzzle for your armchair engineers
. . . and physicists.
Question:
Did that bridge have to be designed to withstand the additional weight of ship and barge traffic,
Or just the weight of the water?
Answer:
It only needs to be designed to withstand the weight of the water!
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.> > > > More . . . .即使你看到它，它仍然是很難相信！
水橋在德國。什麼的壯舉！
六年來??，500萬歐元，918米長。 。 。現在這是工程！

這是一個通道橋在易北河和加入前東德和西德，
由於部分項目的統一。它位於城市馬格德堡附近的柏林。
該照片攝於當天的就職典禮。 。 。

對於那些誰欣賞工程項目，這裡有一個難題的工程師為您的扶手椅
。 。 。和物理學家。

問題：難道是橋樑設計必須承受額外的重量船舶和駁船運輸，
或者僅僅是重量的水？

答：它只需要設計承受重量的水！

為什麼呢？
船舶總金額取代水的重量一樣的船，無論怎樣嚴重的船舶可裝載。
>>>>更多。 。 。 。 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.易北河 - 哈維爾運河和Mittelland此前會見了馬格德堡附近，但對立雙方的易北河。兩者之間的船舶移動不得不作出一個 12公里長的彎路，降從 Mittelland運河船隻通過 Rothensee電梯到易北河，然後順流河上，在進入易北河 - 哈維爾運河通過 Niegripp鎖。低水位在易北河往往使運河駁船滿載作出這條通道，需要耗時卸貨物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. 建水的聯繫始於早在20世紀 30年代，但由於??第二次世界大戰和隨後的分裂德國的工作依然暫停，直到1997年。該渡槽終於完成，向公眾開放於 2003年。