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Newgrange: quartz and granite wall
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CianMcLiam
CianMcLiam
1067 posts

Re: Newgrange: quartz and granite wall
Jul 17, 2016, 20:07
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 façade we now have?


Yes, similar walls were found at Petit Mont, Gavrinis, Barnenez etc. A good intact section of similar walling can still be seen at Baltinglass Hill.
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