Table 1: Mechanical properties of tuff masonry.

Material Tensile strength
ft (MPa)
Compressive strength
fc (MPa)
Young's modulus
E (GPa)
Shear modulus
G (GPa)
Yellow tuff units 0.23 4.13 1.54 0.44
Pozzolana-like mortar 1.43 2.5 1.52 0.66
Tuff masonry (compression | to mortar bed joints) -- 3.85 2.07 0.86
Tuff masonry (compression to mortar bed joints) -- 3.96 2.22 0.92