Table 2: Physical properties of mortar specimens (total mortar of binder and aggregate).

SpecimenNumber 5 bedding mortar above sea levelNumber 6 pointing mortar above sea levelNumber 11 bedding mortar above sea levelNumber 3 bedding mortar below sea levelNumber 15 building, below infill soil level

Bulk density, Mg/m31.321.231.621.731.81
Apparent porosity, %44.143.131.624.322.7
Percentage of porosity <1 micron in diameter29.46.523.574.783.1