Learn what's possible with the art and science of preserving our architectural past
As this 1917 military structure was re-purposed into offices, the wood graining of the formwork for the concrete pours was repaired with grout and faux bois graining tools and the surfaces were casein painted in a tone that matched the reaction of high pH lime from the original concrete pour attacking the oil from the formwork and the tannins in the wood, creating a visibly soft and inviting interior to a concrete and glass structure.
Methods for carrying the load of deteriorated joist ends using carbon fiber "mittens", information about the carrying capacity increase with each ply of carbon fiber tape on a timber, and a means of extending timbers with grafted elements like glass after casting an acrylic tooth cap to fit the damaged end of a timber, all designed with the wide-ranging timber damage at the Menokin Ruin in mind, but applicable to many buildings for in-place supplemental strengthening.
An overview of carbon fiber uses for strengthening individual timbers or floor systems. Epoxy tape can be used to support weakened timbers, but with vacuum-forming carbon fiber cloth can be form-fit to the core of hollow timbers as well.
Stabilization with carbon fiber is a very cost-effective and preservation-oriented option for deteriorated building elements.
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