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Newgrange: quartz and granite wall
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tiompan
tiompan
5758 posts

Re: Newgrange: quartz and granite wall
Jul 17, 2016, 21:08
GLADMAN wrote:
tiompan wrote:
Without the steel reinforced concrete support the wall would collapse .


That has always been my understanding. From a purely engineering point of view, are there any known prehistoric structural techniques that could have achieved the fa├žade we now have?



With that type of material , and the fact that it is vertical ,I don't believe so .
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