Re: engineering questions re. Katrina

From: Rich Blinne <rich.blinne@gmail.com>
Date: Wed Sep 21 2005 - 12:10:46 EDT

On 9/20/05, Bill Yoder <BnJYoder@worldnet.att.net> wrote:
>
> Ruth,
>
> In my mind the biggest immediate issue in this disaster is that the
> levees broke. Why did the levees break? They should not have broken. I
> suspect that the amount of water that flowed over the levees would not
> have caused anywhere near the amount of flooding that was caused by the
> water that flowed through the breaches.
>
> Apparently the water that overflowed the levees ran down the other side
> and washed out the foundation of the levees. This soon weakened them and
> they failed. Is this a reasonable way to design a levee? IMO this is
> represents a major failure in levee design. I am confident that levees
> can be designed to preclude this.

  The following NY Times article is good summary of the engineering issues
with the flood walls and why they probably failed.
http://www.nytimes.com/2005/09/21/national/nationalspecial/21walls.html
Received on Wed Sep 21 12:14:50 2005

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