Durability to salt decay of commercial ready-mixed mortars for the conservation of cultural heritage

Abstract eng:
The durability of some commercial ready mix mortars used for repair of historic masonry to salt crystallisation was studied using the salt crystallisation test produced by a RILEM TC. The mortars were previously characterised by chemical and physical tests and some wallettes were made by the same type of bricks and the studied mortars. The specimens were submitted to the crystallisation test and their damage memorised by visual inspection and y the use of a profilometer. The results of the durability tests are reported and discussed with a comparison to the pore size and distribution of the mortars.

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