Chalk is not tougher than concrete. End of.
Size of soakaway
Aug 16, 2023
Last reply: 2 years ago
23 Replies
Nor is subsoil. End of.
If the chalk layer is metres thick then there is no advantage in digging a 750 cm trench compared to a 450cm deep trench. It supports the same weight.
Until you use it to dispose of condensing boiler condensate
In message <ubn6pr$5vqa$ snipped-for-privacy@dont-email.me, at 08:32:11 on Fri, 18 Aug
2023, The Natural Philos>> In message <ubkh46$3mg8s$ snipped-for-privacy@dont-email.me, at 08:09:58 on Thu, 17 AugYou need to go to that part of the Chilterns some time and see. I don't now exactly what compound it is, but very slightly rubbery, and extremely difficult to chip away at. Concrete you can fracture more easily.
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