I recently participated in the Soleri Memorial Weekend at Cosanti and Arcosanti, Paolo Soleri's two personal experimental prototype projects in Arizona.   While there was much discussion among the 200 Alumni present concerning the future of the institution and the future use of the facilities, as a museo/restoro/preservo/wood-guy worker I began to wonder about the long future of the concrete structures themselves.

Seem to recall "learning" somewhere along the line that modern concrete has a different chemistry and will not be long lasting like the Roman's concrete.   What is the story there?   Are there any good articles about the life-span expectation of conventional modern concrete(s) and concrete structures?   Are there any people working for the long term preservation of modern concrete structures?   

I would appreciate any references regarding preservation of concrete structures for use in the discussions.

(asking as a friend of a young architect who decided the best thing he could do for modern architecture was to go into the demolition business, and he did)

cp in bc
(Soleri apprentice - 1961 to 1963)


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