Ever seen a River OVER a River ?

———- Forwarded message ———-
From: JUNE CERRETA
Date: Mon, Jul 25, 2011 at 11:59 AM
Subject: Fw: Fw: Ever seen a River OVER a River ?

To:

 
 
 

 
 
If you are
not a Physics person, read the last paragraph
and learn a fact of physics.
 
 
                               
Have you ever seen a river over a river?
AMAZING…..
 
cid:5C4A0DCF7C1B441CB3FF7764744432F5@louginPC
 
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 you
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 . . . .
 
 

Saturday, April 23,
2011

The
Incredible Magdeburg Water Bridge in
Germany

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.
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 boatlift into the
Elbe,

and 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.

magdeburg-water-bridge6

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 until
1997.

The aqueduct was finally
completed and opened to the public in 2003.

magdeburg-water-bridge6

magdeburg-water-bridge3

magdeburg-water-bridge4

magdeburg-water-bridge5

magdeburg-water-bridge2
 
 
 
 
                                                          
When you stop and
think about this, this is just amazing!

 

 

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