Why Roman concrete was so durable - photo

Recent research has shown that lime clasts allowed Roman concrete to self-repair cracks. More in the article below.

https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg

More:
https://news.mit.edu/2023/roman-conc...ime-casts-0106


Previously:

https://www.homemadetools.net/forum/...653#post219944
https://www.homemadetools.net/forum/...686#post216324
https://www.homemadetools.net/forum/...052#post210738
https://www.homemadetools.net/forum/...645#post167033
https://www.homemadetools.net/forum/...988#post153092

Yes, bring back lime mortar. But how would you find labourers to mix quicklime?

Quote:

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Originally Posted by Philip Davies

Yes, bring back lime mortar. But how would you find labourers to mix quicklime?

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Agreed Philip, perhaps the answer is pay them enough?. I worked for an old building firm in Budleigh Salterton and had to mix lump quicklime in troughs for lime mortar, also used for lime wash for cob buildings. Not a pleasant job but we just got on with it, no mobile phones to play with then.