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Re: Scientist Says Concrete Was Used in Pyramids

Subject: Re: Scientist Says Concrete Was Used in Pyramids
From: Florian
Date: Mon, 4 Dec 2006 14:00:38 +0100
Newsgroups: sci.archaeology
Matt Giwer <jull43@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

> Not possible at the moment for OS reasons.

Too bad. It very hard to understand the limitation/advantage of the
technic without watching the movie.

> > Apparently, you need a lot of water to disagregate the limestome. May be
> > the technic was available only during flooding period?
> 
>       The Nile is always there. If the region was flooded no one was
> working there. That is what we call dangerous and stupid.

Actually, my point is that the Wadi where the nummulite limestone is
found is on higher ground. The level of water is not high
enough to easily soak the limestome of the wadi outside of flooding
period.


> > Note that it was also during that time period that peasant had enough
> > "freetime" to work on the pyramid.
> 
>       Then the region was not flooded and hauling water is hauling water.
> 
>       But again the extraordinary claim is concrete so it is required to
> first prove it is concrete not merely to invent "plausible" reasons it
> could have been.

Davidovits claims that some stones of the pyramid are made of
reaggregate limestones because of the following clues:
 - you can find air buble or vegetable debris in some of them 
- the nummulites shells do not lay in strates (no sedimentation) 
- the density of the stones is higher at the bottom 
- the amount of water is much higher than in natural limestone 
- the microstructure of the reconstituted limestone is diffrent from
natural one.

I think these point can't be addressed outside the "concrete hypothesis"
right? To quote Dr Barsoum:

": We hereby acknowledge that nature is quite resourceful and could have
- however unlikely - produced all the microstructures examined herein.
We believe, however, that our work presents enough evidence to entertain
the possibility that crucial parts of the Great Pyramids are indeed made
of reconstituted limestone; only more research will tell."


>       Because of the burning concrete was expensive. Rome did not use it
> every place. Rome only used it where stone was not practical.

Again. The process described by Davidovits does not involve as much
extensive burning.


-- Florian

"Tout est au mieux dans le meilleur des mondes possibles" Voltaire vs
Leibniz

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