Sunday, May 22, 2011
Moving a river
A new road is being built. But in order to build it, first the construction guys had to move a river. Yep, a river. They dug out a new riverbed and then redirected the water. The blue thingy on the left that's the new riverbed. To the right is where the river used to flow.
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7 comments:
Stupid question. Why can't they just divert the road plan instead of digging up a new pathway for the water to flow?
Because the rest of the terrain is already built up. There are houses there. So, move the river, demolish just a couple of buildings and voila - there's enough space for a new road.
There are still some buildings demolished?
Amazing! move the river, just like that!! well why not, these days I;m sure that's a small matter,
They did something like it in Chicago. It took a lot of engineering to do it.
How impressive a work. Good luck ahead for them.
Ieyasu did that with the Tone River in the early 1600's to keep Masemune on the north side and for flood control. Before that, Tone River flowed into Tokyo Bay. Later, Tone River's was straightened to become New Tone River, which flowed into Kasumigaura. Still later, New Tone River was replaced with the current Tone River.
Moving rivers in Japan is old stuff. Masamune did it. Ieyasu did it.
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