Abstract
The movement of moisture in masonry walls can be particularly problematical, especially in the region of the foundations. Capillary rise can give rise to significant durability problems for the masonry in the structure. In cold climates the action of freeze/thaw cycles in conjunction with capillary rise can result in significant damage. A novel technique of identifying moisture movement in masonry walls using impulse radar is described. Studies have been undertaken on full-scale experimental structures in Milan, Italy. This work illustrates the applicability of digital impulse radar to identifying the zones of fully saturated capillary rise, partially saturated capillary rise and the ‘dry zone’.
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