WIT Press


The Role Of The Pointing Mortar In The Damage Due To Salt Crystallisation

Price

Free (open access)

Paper DOI

10.2495/STR010521

Volume

55

Pages

11

Published

2001

Size

1,477 kb

Author(s)

B. Lubelli, R.P.J. Van Hees & L. Pel

Abstract

An accurate choice of a re-pointing mortar is fundamental for successful restoration work. Nevertheless many cases of failure show that the choice is not always sensible and that there is still a lack of knowledge on the compatibility of repair mortar for historic masonry. The new re-pointing mortar should be as durable as possible and possess physical, chemical and mechanical characteristics which are compatible with the ones of the existing masonry components. The use of an incompatible mortar can affect the moisture transport inside the masonry and consequently lead to a different drying behaviour of the various material: this can cause damage or speed up the decay process already present in the wall. The object of

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