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Re: Silbury's structural integrity
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Yes, the most detailed report so far, and one wonders why such reports could not have been issued since Week 1.

It's still too soon to feel confident that all is 'under control' (as the report endeavours to portray) but at least it seems that, to quote from the report, "The current work on the shaft cap is very limited in its scope, as the main work cannot and will not commence until the tunnels beneath the central portion of the hill have been fully excavated, supported and backfilled."

Further down in the report it is stated that, "The central collapse volume is 125 cubic metres, which as a volumetric ratio is 0.05% of the volume of the hill. Thus, from a structural perspective, this void constitute a very minor volume compared to the whole structure, and both Skanska and independent geotechnical experts have concluded that there is absolutely no risk to the overall structure of Silbury Hill, in terms of major collapse or rumoured 'implosion'." Perhaps English Heritage would publish the findings of these 'independent geotechnical experts' with their next engineering report so that the public can make up their own minds whether or not there is 'absolutely no risk' to the overall structure of Silbury.

There are other issues within the EH engineering report that require further scrutiny, not least the question of 'unusually wet conditions' within Silbury. Where does current thinking place the point(s) of entry of water into the structure and what measures are being taken to counter the problem?


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Littlestone
Posted by Littlestone
8th August 2007ce
11:15

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Re: Silbury's structural integrity (Squid Tempest)

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Re: Silbury's structural integrity (nigelswift)

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